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ZIP code 91978 demographics — California

Census American Community Survey 2023 5-Year Estimates for ZIP Code Tabulation Area 91978, California.

Population
10,511
Median HH Income
$111,506
Median Home Value
$597,300
Median Age
38.4

Workforce

Unemployment rate
6.9%
396 unemployed of 5,725 in labor force
Bachelor's degree or higher
19.8%
of population age 25+ (7,186 total)
Below poverty line
13.4%
1,404 of 10,488 surveyed

Housing & cost of living

Median home value
$597,300
owner-occupied housing units
Median gross rent
$2,226/mo
renter-occupied units, all bedrooms

Related resources

Nearby ZIP codes

Data source: U.S. Census Bureau American Community Survey 2023 5-Year Estimates (Table B). Geography: ZIP Code Tabulation Area (ZCTA). ZCTAs are census-defined generalizations of USPS ZIP delivery routes and are not identical to mailing ZIPs. Public domain (USA.gov).

Indicators: B01003 (population), B19013 (median household income), B25077 (median home value), B01002 (median age), B25064 (median gross rent), B23025 (labor force/unemployment), B15003 (educational attainment), B17001 (poverty).

Generated 2026-05-28. Census applies suppression rules to small populations; some values may be unavailable.