Westmont CDP, California Demographics & Population 2026

Population Overview

Westmont CDP is a mid-sized community located in California. The total population is 34,291. It ranks as the 243rd most populous out of 1,577 cities and towns in California.

Age Demographics

The median age in Westmont CDP is 32.9 years. This is 13% lower than the state median of 37.6 years. With 28.7% of the population under 18, Westmont CDP has a notably young demographic profile, suggesting a family-oriented community.

Economy, Income & Housing

The median household income in Westmont CDP is $47,899. This is 50% lower than the state median of $96,334. Compared to the national median of $78,538, household income here is 39% lower. The poverty rate stands at 24.4%. This is 104% higher than the state poverty rate of 12.0%. With more than one in five residents living below the poverty line, economic hardship is a significant challenge for the community. The unemployment rate is 11.6%. This is 80% higher than the state rate of 6.4%. The median home value is $617,300. Housing costs are 11% lower than the state median of $695,400. The home-value-to-income ratio of 12.9x suggests that housing affordability is a significant concern for many residents. 28.3% of occupied housing units are owner-occupied. This homeownership rate is 49% lower than the state average of 55.8%.

Race & Ethnicity

The largest racial or ethnic group in Westmont CDP is Hispanic or Latino, making up 59.2% of the population. Black or African American residents account for 34.6%. The White (non-Hispanic) population (1.2%) is well below the state average of 34.6%. The Black or African American population is significantly higher than the state average (34.6% vs 5.3%). The Asian population (0.4%) is well below the state average of 15.0%.

Education

12.7% of residents aged 25 and older hold a bachelor's degree or higher. This is 65% lower than the state rate of 36.5%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 70.9%.

Data Sources & Methodology

All demographic data for Westmont CDP, California is sourced from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates (2019-2023). The ACS collects data from approximately 3.5 million households annually, providing reliable estimates for communities of all sizes. Comparisons are made against California state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,577 Census-designated places in California. For official data, visit data.census.gov.