Census ACS · California
ZIP Code 91770
ZIP code 91770 is located in California with a population of 58,893. The median household income is $73,757 and the median home value is $712,700.
58,893
Population
$73,757
Median Income
$712,700
Median Home Value
44.6
Median Age
Race & Ethnicity
| White | 8.0% |
| Black | 0.7% |
| Asian | 0.0% |
| Hispanic (any race) | 1.4% |
Male: 51.1% · Female: 48.9%
Economy & Income
$73,757
Median Household Income
$27,428
Per Capita Income
10.5%
Poverty Rate
Housing
$712,700
Median Home Value
$1,740
Median Rent
51.1%
Homeownership
Education
67.7%
High School+
23.1%
Bachelor's Degree+
Nearby ZIP Codes
Largest cities in California
Part of California
Metro areas in California
Frequently Asked Questions
ZIP code 91770 in California has a population of 58,893 according to latest Census ACS data.
The median household income in ZIP 91770 is $73,757. The per capita income is $27,428. The poverty rate is 10.5%.
ZIP code 91770 is located in California.
More from California
Data for ZIP Code Tabulation Area (ZCTA) 91770 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.
The this entity record above pulls directly from the U.S. Census Bureau ACS and decennial files. What follows is the per-entity context — how this entity sits in the broader U.S. population demographics distribution and which underlying factors drive the headline numbers.
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.