91789 Real Estate Details

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91789 Zip Code Real Estate Statistics

Total Properties
153
Avg. Size in Sq. Ft.
2,536
Avg. Age in Years
0.3
Average Days on Site
118
Minimum Price
$35,000
Maximum Price
$5,280,000
Avg. Price
$1,520,554
Avg. Price per Sq. Ft.
$599
Recently Listed in 91789 Zip Code
1012 Farel Property Photo 1
NewOpen House 9/12
$880,000
California Regional Multiple Listing Service IDX Logo
3bds 2ba1,360sqftActive
1012 Farel, Diamond Bar, CA 91789
MLS #: TR26192202
Pinnacle Real Estate Group
1034 E Romney Drive Property Photo 1
NewOpen House 9/12
$796,660
California Regional Multiple Listing Service IDX Logo
4bds 3ba1,846sqftActive
1034 E Romney Drive, Diamond Bar, CA 91789
MLS #: TR26186808
Re/Max Top Producers
1310 Heidelberg Avenue Property Photo 1
Open House 9/8
$1,298,880
California Regional Multiple Listing Service IDX Logo
4bds 3ba2,074sqftActive
1310 Heidelberg Avenue, Walnut, CA 91789
MLS #: OC26185678
AG One Realty
949 Fontes Property Photo 1
NewOpen House 9/26
$775,000
California Regional Multiple Listing Service IDX Logo
4bds 3ba2,932sqftActive
949 Fontes, Walnut, CA 91789
MLS #: SR26194572
Flans & Weiner, Inc.
$1,400,000
California Regional Multiple Listing Service IDX Logo
4bds 4ba2,676sqftActive
539 Bourdet, Walnut, CA 91789
MLS #: IV26181915
SPECTRUM REAL ESTATE NETWORK
$1,098,000
California Regional Multiple Listing Service IDX Logo
4bds 3ba1,756sqftActive
482 Vista Del Norte, Walnut, CA 91789
MLS #: WS26148125
Pinnacle Real Estate Group
$5,280,000
California Regional Multiple Listing Service IDX Logo
8bds 9ba9,094sqftActive
19910 Tennessee, Walnut, CA 91789
MLS #: WS26169393
IRN REALTY
$899,000
California Regional Multiple Listing Service IDX Logo
3bds 2ba1,463sqftActive
712 Marylie Lane, Walnut, CA 91789
MLS #: CV26193372
Universal Elite Realty
$1,180,000
California Regional Multiple Listing Service IDX Logo
4bds 3ba1,714sqftActive
1118 Clorinda, Diamond Bar, CA 91789
MLS #: OC26190153
Koinos Real Estate Group
$1,760,000
California Regional Multiple Listing Service IDX Logo
4bds 3ba2,646sqftActive
625 N Pacer Court, Walnut, CA 91789
MLS #: CV26180986
EXP REALTY OF CALIFORNIA INC
$1,899,000
California Regional Multiple Listing Service IDX Logo
4bds 3ba2,575sqftActive
20031 Wildblossom Dr., Walnut, CA 91789
MLS #: WS26189034
ROYAL PROFESSIONAL INC.
$1,480,000
California Regional Multiple Listing Service IDX Logo
4bds 3ba2,479sqftActive
357 Windemere, Walnut, CA 91789
MLS #: WS26185597
Pinnacle Real Estate Group

Demographic Information

Los Angeles County

9,848,406

Populations as of 2026

5,209,057

Total Labor Force

$87,760

Median Household Income

$44,319

Per Capita Income

38

Median Age

3

Average Household Size

12.8%

High School Graduate

16%

Bachelor Degree Or Higher

Population

2026 Estimate (V2026) 9,848,406

Age Distribution (Years Old)

0 to 4 5.3%
5 to 17 15.6%
18 to 64 64.4%
65 and Older 14.7%

Gender

Male 49.5%
Female 50.5%

Computer and Internet Use

Households with a computer 34.4%
Households with a broadband Internet subscription 34.4%

Language

English or Second Language, Age 5+ 52.2%
English is First Language, Age 5+ 42.5%

Veterans

Veterans 220,722

Housing

Total Housing Units 3,624,084
Households 3,390,254
Average Household Size 3 people
Owner-Occupied 15.9%
Multi-Family 3.4%
Owner-Occupied Median Value $783,300
Median selected monthly owner costs - with a mortgage $3,076
Median selected monthly owner costs - without a mortgage $803
Median Gross Rent $1,893

Year at Residence

1 Year or More 9.4%
Less Than 1 Year 90.6%

Business and Employment

Private non-farm Establishments -
Private non-farm Employment -
Nonemployer Establishments 1,128,124
Number of Firms -

Business Production

Value of Shipments -
Wholesale Trade -
Retail Trade -
Retail Sales Per Capita -
Accommodation and Food Services -
The American Community Survey (ACS) is an ongoing survey that provides data every year - giving communities the current information they need to plan investments and services. The ACS covers a broad range of topics about social, economic, demographic, and housing characteristics of the U.S. population. Much of the ACS data provided on the Census Bureau's Web site are available separately by age group, race, Hispanic origin, and sex. Summary files, Subject tables, Data profiles, and Comparison Summary read more
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