Census ACS · California
ZIP Code 91790
ZIP code 91790 is located in California with a population of 44,791. The median household income is $100,142 and the median home value is $695,700.
44,791
Population
$100,142
Median Income
$695,700
Median Home Value
37.6
Median Age
Race & Ethnicity
| White | 22.1% |
| Black | 3.1% |
| Asian | 0.0% |
| Hispanic (any race) | 4.3% |
Male: 49.5% · Female: 50.5%
Economy & Income
$100,142
Median Household Income
$36,557
Per Capita Income
6.8%
Poverty Rate
Housing
$695,700
Median Home Value
$2,253
Median Rent
61.0%
Homeownership
Education
82.5%
High School+
23.4%
Bachelor's Degree+
Nearby ZIP Codes
Largest cities in California
Part of California
Metro areas in California
Frequently Asked Questions
ZIP code 91790 in California has a population of 44,791 according to latest Census ACS data.
The median household income in ZIP 91790 is $100,142. The per capita income is $36,557. The poverty rate is 6.8%.
ZIP code 91790 is located in California.
More from California
Data for ZIP Code Tabulation Area (ZCTA) 91790 from the American Community Survey 5-Year estimates. ZCTAs approximately correspond to USPS ZIP code delivery areas but are built from Census blocks and may not match exactly.
For this entity, the underlying data on this page comes from the U.S. Census Bureau ACS and decennial files. The breakdown above is the federal record; the paragraphs below add the per-entity context that makes the headline numbers usable for a real decision rather than just a data lookup.
The methodology behind every numeric value on this page is publicly documented on the the U.S. Census Bureau ACS and decennial files portal and described in detail on this site’s methodology page. Refresh cadence varies by underlying series; the page surfaces the as-of date for each number so readers can trace any figure back to the source release.
For readers using this page as a decision input, the related-entity pages elsewhere on the site provide the comparison set. The most useful comparison for this entity is typically a peer within U.S. states, metros, cities, and ZIPs with similar size, similar exposure, or similar geography — not the national-level summary alone.
Source: U.S. Census Bureau ACS, 2026.