Angleton is a city located in Brazoria County Texas. It is also the county seat of Brazoria County. With a 2020 population of 19,293, it is the 145th largest city in Texas and the 1916th largest city in the United States . Angleton is currently declining at a rate of -0.36% annually but its population has increased by 2.29% since the most recent census, which recorded a population of 18,862 in 2010. Angleton reached it's highest population of 19,500 in 2017. Spanning over 12 miles, Angleton has a population density of 1,660 people per square mile.
The average household income in Angleton is $74,312 with a poverty rate of 13.34%. The median rental costs in recent years comes to $923 per month, and the median house value is $122,000. The median age in Angleton is 37.4 years, 36.8 years for males, and 37.9 years for females.