Seabrook city, Texas
Official LSAD Designation: Seabrook city • Census GEOID: 4866392
• Chambers County / Harris County
Demographics & Population Profile
Population and demographics for Seabrook city.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 13,974 | — | 2025 | Census |
| Median Age | 42.2 yrs | ±4.4 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 5,981 | ±414 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).