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Santa Ana city, California

Official LSAD Designation: Santa Ana city • Census GEOID: 0669000 • Orange County

Demographics & Population Profile

Population and demographics for Santa Ana city.

Demographic Variable Estimate / Count Margin of Error Period Source
Total Population (2025 PEP Estimate) 315,586 — 2025 Census
Median Age 34.7 yrs ±0.5 2020-2024 Census ACS 5-Year 2024
Total Households 81,069 ±1,234 2020-2024 Census ACS 5-Year 2024
Source: U.S. Census Bureau (PEP, ACS 5-Year).