Mont Belvieu is a city located in Chambers County Texas. With a 2020 population of 7,278, it is the 296th largest city in Texas and the 3865th largest city in the United States . Mont Belvieu is currently growing at a rate of 5.08% annually and its population has increased by 89.78% since the most recent census, which recorded a population of 3,835 in 2010. Mont Belvieu reached it's highest population of 7,278 in 2021. Spanning over 16 miles, Mont Belvieu has a population density of 451 people per square mile.
The average household income in Mont Belvieu is $120,965 with a poverty rate of 3.82%. The median rental costs in recent years comes to $864 per month, and the median house value is $258,400. The median age in Mont Belvieu is 33.8 years, 31.9 years for males, and 38.2 years for females.