Seaside city, California
Official LSAD Designation: Seaside city • Census GEOID: 0670742
• Monterey County
Demographics & Population Profile
Population and demographics for Seaside city.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 31,636 | — | 2025 | Census |
| Median Age | 34 yrs | ±1.5 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 10,371 | ±455 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).