Bellville is a city located in Austin County Texas. It is also the county seat of Austin County. With a 2020 population of 4,133, it is the 414th largest city in Texas and the 5309th largest city in the United States . Bellville is currently declining at a rate of -1.03% annually but its population has increased by 0.88% since the most recent census, which recorded a population of 4,097 in 2010. Bellville reached it's highest population of 4,262 in 2018. Spanning over 3 miles, Bellville has a population density of 1,556 people per square mile.
The average household income in Bellville is $62,208 with a poverty rate of 6.48%. The median rental costs in recent years comes to $779 per month, and the median house value is $195,300. The median age in Bellville is 47.3 years, 44.8 years for males, and 47.4 years for females.