44,779 people live in Diamond Bar, where the median age is 45.7 and the average individual income is $48,821. Data provided by the U.S. Census Bureau.
Total Population
Median Age
Population Density Population Density This is the number of people per square mile in a neighborhood.
Average individual Income
There's plenty to do around Diamond Bar, including shopping, dining, nightlife, parks, and more. Data provided by Walk Score and Yelp.
Explore popular things to do in the area, including YHS Trading USA, Resort Woman, and The Flare Magazine.
| Name | Category | Distance | Reviews |
Ratings by
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| Dining · $ | 1.3 miles | 2 reviews | 4.5/5 stars | |
| Shopping | 1.07 miles | 0 reviews | 0/5 stars | |
| Shopping | 2.19 miles | 0 reviews | 0/5 stars | |
| Active | 0.51 miles | 0 reviews | 0/5 stars | |
| Active | 0.77 miles | 0 reviews | 0/5 stars | |
| Nightlife | 1.67 miles | 0 reviews | 0/5 stars | |
| Beauty | 1.04 miles | 0 reviews | 0/5 stars | |
| Beauty | 1.55 miles | 0 reviews | 0/5 stars | |
| Beauty | 2.32 miles | 8 reviews | 5/5 stars | |
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Diamond Bar has 15,420 households, with an average household size of 2.89. Data provided by the U.S. Census Bureau. Here’s what the people living in Diamond Bar do for work — and how long it takes them to get there. Data provided by the U.S. Census Bureau. 44,779 people call Diamond Bar home. The population density is 2,412 and the largest age group is Data provided by the U.S. Census Bureau.
Total Population
Population Density Population Density This is the number of people per square mile in a neighborhood.
Median Age
Men vs Women
Population by Age Group
0-9 Years
10-17 Years
18-24 Years
25-64 Years
65-74 Years
75+ Years
Education Level
Total Households
Average Household Size
Average individual Income
Households with Children
With Children:
Without Children:
Marital Status
Blue vs White Collar Workers
Blue Collar:
White Collar:
Diamond Bar is a city of ridgelines, winding residential streets and a freeway junction that shapes the weekday routine. A home above a canyon, a condominium near Golden Springs Drive and a custom property in The Country can share a city name while asking very different things of your budget. The useful search starts with the home itself, the school district serving its address and the drive you will actually make.
For buyers comparing Diamond Bar real estate, the central choice is between established detached homes, attached communities and larger hillside properties. Redfin's report for the three months ending July 2026 places the all-home-type median sale price at approximately $1.10 million; the exact figure and method are linked in the market section below. That citywide measure is a starting point for a conversation, not a price estimate for a particular condo, lot or estate.
The City of Diamond Bar dates its first northern model homes to 1960 in its official development history. That history helps explain why older housing and newer planned communities coexist here. Use this guide alongside the listings above, then compare the streets, ownership documents and daily destinations that will matter after moving day.
A Diamond Bar windmill beside neighborhood shopping. Photograph by Proud Digital Media, 2017; source and rights below.
For another hillside comparison nearby, review the Walnut homes and neighborhood guide, with separate checks for city boundaries, schools and usable lot area.
If your daily destination is an Industry worksite, compare the City of Industry housing and employment-corridor guide. It separates the municipality's limited housing from nearby residential choices and explains the address, route and ownership checks to make before narrowing a search.
01 / The directory
Choose a part of Diamond Bar by housing form, terrain and the places you need to reach. Neighborhood names help organize tours, but they do not settle school attendance, association membership or ownership responsibilities. The same broad area can contain a detached house, an attached condominium and a property with a very different maintenance agreement.
The northern part of Diamond Bar is a useful starting point for buyers considering established housing and access toward Pomona. Diamond Bar Boulevard, Sunset Crossing Road and Golden Springs Drive are practical orientation points. The city's historical account places the first model homes in this part of town, but inspect the construction year and permit record of each property rather than assigning a single era to an entire street.
Here, an attractive floor plan may come with decades of changes. Compare the original structure with later additions, garage conversions, replacement windows and altered outdoor areas. A listing photograph cannot establish whether every improvement was permitted. On a sloping parcel, distinguish the lot's total area from the flat area you can comfortably use. Walk the approach, driveway and side yards before deciding that a larger lot is automatically a better fit.
Association obligations also deserve a property-level check. The Diamond Point Club describes itself as a homeowners association with a swim and racquet club. That does not mean every house marketed as north Diamond Bar has the same membership. Ask for the actual title and association documents attached to the property you are considering, including the current fee schedule and what it covers.
For condominium and townhome buyers, the area around Golden Springs Drive and the central Diamond Bar Boulevard corridor deserves its own search. The city's 2016 General Plan report describes multifamily housing along Golden Springs west of Diamond Bar Boulevard and along Diamond Bar Boulevard south of Grand Avenue. That is a useful description of the established housing pattern, not a promise about today's available units.
Compare a home by its actual ownership and building arrangement. Does another residence sit above it? Is the garage directly accessible? Where can a second vehicle park? Is the outdoor space private, shared or limited by association rules? An end location, stair configuration or afternoon exposure may affect everyday use more than a small difference in advertised floor area. Tour the path from parking to the front door with the same attention you give the living room.
Montefino, Fall Creek and other commonly used community names should lead to a more precise document review, not an assumption that every listing within the name has identical amenities. Request the relevant association budget, reserves, insurance information and maintenance responsibilities. Use our first-time buyer planning guide to organize the financing conversation, then obtain lender guidance for the specific property and association.
Willow Heights offers a clear example of why a development name alone is not a property type. Diamond Bar's 2016 General Plan Status Report records 182 for-sale homes at Willow Heights, comprising 120 detached homes and 62 townhomes, with its last construction phases completed in summer 2016. Those are historical development counts, not current inventory. The community's location at Brea Canyon Road and Diamond Bar Boulevard also makes the southern routes an important part of a tour.
Compare Willow Heights with other southern resale options by layout, stairs, outdoor area and the full recurring payment. A more recent construction date may change the likely maintenance discussion, but it does not remove the need for an inspection or an association review. Buyers who also consider Brea's neighborhoods should test both sides of their actual work and errand routes before treating the county line as a minor distinction.
Diamond Bar Country Estates, commonly called The Country, is a distinct custom-home comparison. Its association's current description, checked September 8, 2026, reports 1,600 acres and 931 custom homes and lots, with two security-guarded main entrances. The count includes lots. It should not be read as a count of occupied homes or as a description of Diamond Bar as a whole.
With a custom property, comparable sales need a narrower explanation. Separate the quality of the view from the amount of usable land, the condition of the structure and the practicality of the driveway. Ask which outdoor improvements belong to the property, which areas carry easements and what future changes would require association and city review. A large estate with extensive grounds can create a very different ownership workload from a similarly priced home with a smaller maintained yard.
The association also describes an architectural committee. Obtain the rules that apply to the exact lot before making plans for an addition, exterior redesign or major landscape change. The luxury home design guide can help organize priorities, but a concept image is not an approval, construction estimate or assurance that an alteration is feasible.
At 1400 Montefino Avenue, the city's project page, with a March 11, 2026 status heading, describes a proposal for 49 attached and detached condominiums on approximately 3.9 acres. The page describes an application and review process. It does not establish that homes are completed or being offered for sale. Check the latest city record before using the proposal in a purchase timeline.
The 57 and 60 merge and surrounding housing, photographed in 2011. Historical context for the area's street pattern, not a current traffic or development image.
02 / Prices
Diamond Bar's citywide median is useful for orientation; a credible offer or asking price requires comparable properties. In Redfin's all-home-type Diamond Bar report for the three months ending July 2026, the median sale price was $1,096,451 and median days on market were 44. The source report, checked September 8, 2026, uses MLS and/or public-record data. It combines housing types and is not a valuation of any individual home.
The comparison becomes more useful when you separate ownership type, location and condition. A condominium's sale price should be read alongside its dues and association responsibilities. A hillside house requires attention to the usable site and access. A custom estate may have few closely comparable recent sales. We would rather explain the differences between three relevant properties than rely on a citywide average that mixes all three categories.
Housing choice | Typical comparison | Association review | Other carrying costs | What to compare closely |
|---|---|---|---|---|
Established detached home | Original layout versus updated or expanded resale | Check the specific property's obligations | Insurance, taxes, systems and exterior maintenance | Permits, usable yard, driveway and traffic exposure |
Condominium | Unit location, stairs, parking and shared walls | Dues, reserves, insurance and repair responsibilities | Owner coverage, utilities and any assessments | Building condition and the full monthly payment |
Townhome | Entry, garage connection and private outdoor space | Confirm ownership form and common-area scope | Taxes, insurance and owner-maintained items | Floor-plan usability and association finances |
Southern planned resale | Detached and attached options by development | Read the exact association package | Actual tax bill and current insurance quote | School address check, orientation and route access |
Custom hillside property | View, site utility, design and condition | Architectural rules and any private-road obligations | Grounds, drainage, retaining improvements and systems | Comparable sites, access and specialist inspections |
This is a comparison of questions to investigate, not a schedule of fees. HOA dues, special assessments and parcel taxes cannot be answered reliably with a citywide yes or no. Review the current tax bill and ownership documents for the address. Use the mortgage calculator to test your own financing assumptions, then replace estimates with a lender's figures, an insurance quote and verified property costs.
For a seller, the closest active listing is competition, while a completed sale is transaction evidence. Both matter. An attractive list price on a property that has not sold does not establish what buyers will pay for yours. For a buyer, an asking-price reduction is a reason to revisit the evidence and condition, not automatic proof of a bargain. Keep the purchase decision tied to the home you will own and the payment you can support.
Ask for Diamond Bar comparable sales matched to your home type, location and condition.
03 / Schools
A Diamond Bar address does not automatically mean Walnut Valley Unified attendance. The city's school-district FAQ identifies both Walnut Valley Unified and Pomona Unified as serving Diamond Bar. It describes Grand Avenue as a rough dividing reference. Use that only for orientation; a purchase decision needs the full address checked with the relevant district for the intended school year.
Start with Walnut Valley Unified's enrollment resources and its official address-based school locator where applicable. Confirm the result with district staff if attendance is central to your decision. Enrollment pathways, transfer requests and residence-based assignments are different questions. Do not assume that admission available to one household will necessarily be available to another.
Compare schools through the information that matters to your student: grade span, programs, transportation, schedules and the enrollment process. The nearby-schools module above is a discovery tool. Its listed campuses and ratings do not establish that a particular property is assigned to any of them. A school name in a listing should trigger an address check before an offer, not replace one.
Higher education is a separate local consideration. Cal Poly Pomona's College of Engineering is part of the nearby university in Pomona, outside Diamond Bar. For someone working or studying there, test the trip from the actual home to the appropriate campus entrance and parking area. A nearby institution can be a useful destination without making every Diamond Bar property equally convenient to it.
Cal Poly Pomona's College of Engineering, photographed in 2011. A nearby higher-education destination in Pomona, not a Diamond Bar attendance-assigned school.
04 / Commute
Freeway access is part of Diamond Bar's appeal, but access and a predictable travel time are different things. Start with where you work, when you leave and the direction of the return trip. A house close to an interchange may shorten the local approach while bringing a different level of road exposure. A quieter hillside location may add several turns before you reach the main route.
Drive the candidate route during the hours you expect to use it, including the final approach to your destination. Diamond Bar Boulevard, Grand Avenue, Golden Springs Drive and Brea Canyon Road give you different ways to move through town. Compare the driveway exit, school or childcare stop and evening errands as one trip. A weekend showing route leaves out much of the information a daily commuter needs.
Foothill Transit Line 286 connects Pomona Transit Center, Diamond Bar and Brea Mall, according to its current route and schedule page, checked September 8, 2026. Review the actual stop location, departure and return service for your travel day. The existence of a bus route does not mean that the walk from a particular hillside house is short or level.
For rail, investigate Metrolink's Industry station at 600 South Brea Canyon Road in the City of Industry. It is outside Diamond Bar and is served by the Riverside Line. Check the operator's current timetable rather than assuming all-day or weekend service. Include station access, parking and the trip from the destination station when comparing rail with driving.
Airport choice deserves the same treatment. Compare the airport serving your actual itinerary and the time of travel, not a universal distance-to-airport slogan. If your household splits trips between Los Angeles, the eastern San Gabriel Valley and Orange County, write down the recurring destinations first. Our Los Angeles County real-estate guide and Brea guide can help frame the regional comparison before you narrow it to a street.
Buyers looking farther north can also compare Covina, San Dimas and Claremont. These are different cities with their own housing patterns and destinations. Treat them as alternatives to investigate, not interchangeable substitutes. The right comparison is the one that matches your housing needs and weekly travel.
05 / Daily life
Diamond Bar's daily life is easiest to understand as a set of nearby destinations. A park you can reach comfortably, a library you will use and the shopping route that works after work can matter more than a long amenities list. During tours, identify the places you would visit every week and test the actual approach from the property.
The city's Summer 2025 recreation directory identifies Sycamore Canyon Park on Golden Springs Drive, Pantera Park on Pantera Drive, and the Summitridge trail access at Diamond Bar Center on Grand Avenue. It also identifies Diamond Canyon Park on South Brea Canyon Road. These give buyers useful local anchors; current closures, event schedules and trail conditions belong to the city's live updates.
A trail near your home can support a pleasant routine without being suitable for every outing. Inspect its entrance, grade, surface and connection to the street before judging it by an aerial map. The Healthy Diamond Bar program publishes activities at city parks and facilities with registration details. Use the current listing when planning an outing, since a past event or photograph cannot establish today's access.
LA County Library lists Diamond Bar Library at 21800 Copley Drive and reports an 18,245-square-foot facility on its current location page, checked September 8, 2026. That page also provides study-room requests, events and opening hours. It is a practical civic destination to include in a neighborhood visit, particularly if you regularly use shared study or reading space.
Shopping and dining are spread among commercial centers rather than concentrated in a single traditional downtown. Golden Springs Drive, Grand Avenue and Diamond Bar Boulevard are useful places to examine the grocery-and-dinner routine alongside a showing. Walk from the parking space to the businesses you would use. Check current tenants, hours and access directly, since the presence of a familiar storefront in an older photograph does not guarantee it is operating today.
At the property itself, look at what happens outdoors. Where does afternoon light fall? How much of the yard is level? Where do deliveries arrive, and how would visitors park? A tour can feel very different when you spend time outside the front and rear doors. These observations make the amenities conversation specific to the home instead of relying on a broad city description.
Diamond Bar Library on Copley Drive. Check LA County Library's current location page for hours, events and study-room availability.
06 / Selling
A strong Diamond Bar listing makes its most useful differences easy to understand. For a condominium, that may be the entry, parking arrangement, usable outdoor area and association responsibilities. For a detached house, it may be a well-documented layout, a level yard or a practical route to the places buyers need. For a custom hillside property, the relationship between the house, views and usable grounds deserves clear photography and an accurate explanation.
Prepare the information before asking buyers to make a decision. Gather the records you have for improvements, systems, association costs and maintenance. Discuss the condition questions that a buyer is likely to raise, including drainage and retaining improvements where relevant. Prioritize work using the likely buyer comparison and an actual budget. The home-maintenance guide is a useful starting list, while your home's specific condition should guide the final preparation plan.
Timing and pricing should follow the relevant market segment. Review competing listings, recent comparable closings and the condition of your property together. A citywide median does not tell you how to price an end-unit condo or a large custom home. Justin Tye and the team can help organize the comparison, prepare the presentation and manage the path from inquiry through negotiation and closing. Begin with your address and goals so the plan reflects the property you are actually selling.
Get your Diamond Bar home value
Tell us about your property through our home-selling page. For an initial estimate, you can also use the existing home-valuation tool and follow up with an address-specific discussion.
07 / Why Justin
Our documented Active Realty team and office record includes three historical Diamond Bar home sales, reviewed September 8, 2026. The record reflects team and office involvement rather than three personal transactions by Justin. For your move, we begin with that local experience and build a fresh comparison around the property, today's available choices and your goals.
Working with Justin Tye and the team begins with a clear brief: the home type you want, your budget, the destinations that shape your week and the details that could change a decision. For a buyer, that means a focused search and a documented comparison. For a seller, it means preparation, presentation and pricing that buyers can understand. Questions about school assignment, association obligations and property condition should be resolved with the responsible district, documents and qualified professionals.
Call (949) 381-8581, send us a note about your Diamond Bar plans, or browse Diamond Bar homes and save your search. Justin Tye | CA DRE# 01728694.
08 / Questions
Compare established detached homes, condominiums and townhomes, southern planned resales and custom hillside properties. Each creates a different ownership and maintenance discussion. Start with the layout, usable outdoor area and full recurring payment you need, then narrow by address, district and route. A development name alone does not establish the ownership form or the condition of a listing.
No. The city identifies both Walnut Valley Unified and Pomona Unified as serving Diamond Bar. Verify the full street address with the district for the intended school year. A nearby-school card, ZIP code or neighborhood label is not a substitute for that confirmation, and transfer possibilities should be checked separately.
No. The Country is a particular community within Diamond Bar. Its association describes a private gated community with custom homes and lots, guarded entrances and architectural review. Diamond Bar as a municipality includes many other housing settings. Read the association's own description and the documents for the specific property before relying on a marketing label.
An estimate provides an initial reference. A pricing recommendation should explain relevant completed sales, competing listings and the differences in condition, layout, site and ownership costs. Start with the valuation tool if useful, then request an address-specific comparison. Neither a citywide median nor an automated estimate establishes what a particular buyer will pay.
No citywide fee assumption is reliable for an individual purchase. Review the current tax bill, title information and any association documents for the exact address. Compare what dues include, which repairs remain the owner's responsibility and whether an assessment is identified. Ask the relevant association, lender and property professionals to clarify items before treating an advertised monthly payment as complete.
Foothill Transit's Line 286 serves Diamond Bar between Pomona Transit Center and Brea Mall. Nearby Industry station provides a separate Metrolink option. Check the exact stop or station, current schedule and the walk or drive from your prospective home. Service availability does not guarantee that a particular trip fits your work hours.
The city's 1400 Montefino page, reviewed September 8, 2026, describes a proposed 49-home condominium project and carries a March 11 status heading. It does not prove completed inventory or a sales release. Check the latest city approvals and any verified developer offering before planning a move around those homes.
Compare the usable ground, driveway, drainage, retaining improvements and condition of outdoor structures, as relevant to the property. Review the available records and arrange appropriate professional inspections. Also spend time on the site: a view from one window does not explain the use of the whole lot, and a large parcel measurement does not mean every part is level or accessible.
A Diamond Bar trail and its posted wildlife notice, photographed in 2017. Follow current signs and city guidance when visiting local trails.
Continue with the Los Angeles County guide, compare Brea and San Dimas, or use the Diamond Bar home search. Connect with Justin Tye when you are ready to bring the comparison down to a specific address.
Prepared for JustinTye.com. Substantive research reviewed September 8, 2026. Market window: three months ending July 2026, Redfin all home types. Native provider-area data and nearby-school results above are separate from the sourced municipal and address-specific guidance in this article. Historical photographs identify places and context; they do not depict current listings.
Photography credits
Hillside overlook in Diamond Bar with the San Gabriel Valley and mountains beyond: donielle (vampiress144), CC BY-SA 2.0. Windmill beside neighborhood shopping in Diamond Bar: Proud Digital Media, Public Domain Mark 1.0. Historical 2011 aerial of the 57 and 60 freeway merge and surrounding Diamond Bar area housing: InSapphoWeTrust from Los Angeles, California, USA, CC BY-SA 2.0. College of Engineering at Cal Poly Pomona, a nearby university outside Diamond Bar: King of Hearts, CC BY-SA 4.0. Entrance of Diamond Bar Library at 21800 Copley Drive: ShticktatorTal, CC BY-SA 4.0. Diamond Bar hillside trail with a posted wildlife caution sign: Proud Digital Media, Public Domain Mark 1.0. Source-served image sizes; no scene content altered. Historical photographs do not depict current inventory or present conditions.
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