
Mont Belvieu
- County:
- Chambers County
- County Seat:
- No
- Area (mi²):
- 17.79
- State:
- Texas
Mont Belvieu is a city located in Chambers County, Texas. Mont Belvieu has a 2025 population of 10,769. Mont Belvieu is currently growing at a rate of 5.7% annually and its population has increased by 36.91% since the most recent census, which recorded a population of 7,866 in 2020.
The average household income in Mont Belvieu is $126,822 with a poverty rate of 9.84%. The median age in Mont Belvieu is 32.6 years: 37.2 years for males, and 30.8 years for females.