Decatur is a city located in Wise County Texas. It is also the county seat of Wise County. With a 2020 population of 7,450, it is the 290th largest city in Texas and the 3811th largest city in the United States . Decatur is currently growing at a rate of 2.45% annually and its population has increased by 23.30% since the most recent census, which recorded a population of 6,042 in 2010. Decatur reached it's highest population of 7,450 in 2021. Spanning over 9 miles, Decatur has a population density of 851 people per square mile.
The average household income in Decatur is $73,525 with a poverty rate of 13.68%. The median rental costs in recent years comes to $1,035 per month, and the median house value is $156,500. The median age in Decatur is 33.6 years, 31.8 years for males, and 38 years for females.