Warrenton Flag

Warrenton

County:
Warren County
County Seat:
Yes
Area (mi²):
9.047
State:
Missouri

Warrenton is a city located in Warren County, Missouri. Warrenton has a 2026 population of 9,420. It is also the county seat of Warren County. Warrenton is currently growing at a rate of 1.46% annually and its population has increased by 10.06% since the most recent census, which recorded a population of 8,559 in 2020.

9.4K
Total Population
1,041
Density (mi²)
136 1.46%
Growth

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)