Westmont, California Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Westmont, California is 34,291 as of the 2023 American Community Survey, making it the 243rd-largest city in California. The median household income is $47,899, the median home value is $617,300, and the median age is 32.9.
34,291
Population
18566
People / sq mi
$47,899
Median Income
$617,300
Median Home Value
Westmont covers 1.8 sq mi of land at 18566 people per square mile.
About Westmont, CA
Westmont is a city in California with a population of 34,291. It ranks #243 among cities in California by population. The median age is 32.9, younger than the national median. The population is 47.3% male and 52.7% female.
The median household income in Westmont is $47,899, below the US median of $74,580. 23.1% of residents live below the federal poverty level. Home values sit at a median of $617,300, with monthly rent averaging $1,413. The homeownership rate of 28.3% is lower than the national rate of 64.8%.
Educational attainment in Westmont reflects 12.7% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 7.1% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 34.2 minutes each way.
Race & Ethnicity
| White | 12.1% |
| Black or African American | 35.4% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.6% |
| Two or More Races | 0.0% |
Economy & Income
$47,899
Median Household Income
$22,544
Per Capita Income
23.1%
Poverty Rate
7.0%
Unemployment Rate
Housing
$617,300
Median Home Value
$1,413
Median Rent
28.3%
Owner-Occupied
Education
70.9%
High School+
12.7%
Bachelor's+
Commute
8.4%
Drive Alone
66.9%
Public Transit
7.1%
Work From Home
34.2 min
Avg Commute
Community Profile
10.3%
Foreign Born
44.8%
Non-English at Home
3.4%
Veterans
15.7%
With Disability
86.5%
Health Insurance
94.1%
Internet Access
Employment by Industry
| Professional, Scientific & Management | 20.8% |
| Finance, Insurance & Real Estate | 11.6% |
| Education, Health Care & Social Services | 10.9% |
| Retail Trade | 9.8% |
| Construction | 9.5% |
| Manufacturing | 7.5% |
| Public Administration | 5.9% |
| Arts, Entertainment & Food Services | 4.6% |
| Information | 2.2% |
| Agriculture & Mining | 1.0% |
| Transportation & Warehousing | 0.4% |
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Part of California
Metro areas in California
City rankings
Frequently Asked Questions
Westmont, California has a population of 34,291 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 243rd-largest city in California.
The median household income in Westmont, California is $47,899, with 23.1% of residents living below the federal poverty level.
The median home value in Westmont, California is $617,300, with median monthly rent at $1,413 and a homeownership rate of 28.3%.
The median age in Westmont, California is 32.9 years. The population is 47.3% male and 52.7% female.
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.