Sullivan is a city located in Missouri. With a 2020 population of 7,242, it is the 107th largest city in Missouri and the 3875th largest city in the United States. Sullivan is currently growing at a rate of 0.93% annually and its population has increased by 2.27% since the most recent census, which recorded a population of 7,081 in 2010. Spanning over 8 miles, Sullivan has a population density of 884 people per square mile.
The average household income in Sullivan is $47,744 with a poverty rate of 17.91%. The median rental costs in recent years comes to $757 per month, and the median house value is $105,500. The median age in Sullivan is 38.2 years, 35 years for males, and 42.1 years for females. For every 100 females there are 105.1 males.