Carterville is a city located in Williamson County Illinois. With a 2020 population of 5,771, it is the 306th largest city in Illinois and the 4389th largest city in the United States . Carterville is currently declining at a rate of -0.65% annually but its population has increased by 5.00% since the most recent census, which recorded a population of 5,496 in 2010. Carterville reached it's highest population of 5,889 in 2016. Spanning over 5 miles, Carterville has a population density of 1,096 people per square mile.
The average household income in Carterville is $83,295 with a poverty rate of 8.67%. The median rental costs in recent years comes to $901 per month, and the median house value is $151,200. The median age in Carterville is 37.3 years, 38.2 years for males, and 35.7 years for females.