Warrenton is a city located in Fauquier County Virginia. It is also the county seat of Fauquier County. With a 2020 population of 10,203, it is the 40th largest city in Virginia and the 3056th largest city in the United States . Warrenton is currently growing at a rate of 0.87% annually and its population has increased by 6.16% since the most recent census, which recorded a population of 9,611 in 2010. Warrenton reached it's highest population of 10,203 in 2021. Spanning over 4 miles, Warrenton has a population density of 2,332 people per square mile.
The average household income in Warrenton is $94,878 with a poverty rate of 6.00%. The median rental costs in recent years comes to $1,314 per month, and the median house value is $342,600. The median age in Warrenton is 38.7 years, 35.1 years for males, and 41.6 years for females.