Warrenton is a city located in Missouri. With a 2020 population of 8,563, it is the 90th largest city in Missouri and the 3431st largest city in the United States. Warrenton is currently growing at a rate of 1.99% annually and its population has increased by 8.67% since the most recent census, which recorded a population of 7,880 in 2010. Spanning over 9 miles, Warrenton has a population density of 962 people per square mile.
The average household income in Warrenton is $55,853 with a poverty rate of 20.51%. The median rental costs in recent years comes to $803 per month, and the median house value is $127,700. The median age in Warrenton is 34.3 years, 31 years for males, and 35.3 years for females. For every 100 females there are 84.2 males.