Collinsville is a city located in Alabama. With a 2020 population of 1,972, it is the 183rd largest city in Alabama and the 7671st largest city in the United States. Collinsville is currently growing at a rate of 0.25% annually but its population has decreased by -0.55% since the most recent census, which recorded a population of 1,983 in 2010. Collinsville reached it's highest population of 1,986 in 2011. Spanning over 4 miles, Collinsville has a population density of 504 people per square mile.
The average household income in Collinsville is $38,898 with a poverty rate of 37.39%. The median rental costs in recent years comes to $501 per month, and the median house value is $70,300. The median age in Collinsville is 34.4 years, 31.8 years for males, and 39.9 years for females. For every 100 females there are 125.4 males.