Mont Belvieu city, Texas
Official LSAD Designation: Mont Belvieu city • Census GEOID: 4849068
• Chambers County / Liberty County
Demographics & Population Profile
Population and demographics for Mont Belvieu city.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 10,673 | — | 2025 | Census |
| Median Age | 33.6 yrs | ±4.2 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 3,061 | ±315 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).