Warrenton is a city located in Warren County, Missouri. Warrenton has a 2025 population of 9,635 . It is also the county seat of Warren County . Warrenton is currently growing at a rate of 2.28% annually and its population has increased by 12.57% since the most recent census, which recorded a population of 8,559 in 2020.
The average household income in Warrenton is $72,798 with a poverty rate of 15.15%. The median age in Warrenton is 30.8 years: 30.6 years for males, and 33.1 years for females. For every 100 females there are 77.4 males.
Data after 2023 is projected based on recent change
The racial composition of Warrenton includes 88.51% White, and smaller percentages for Native American, other race, Black or African American and multiracial populations.
White (88.51%)
Two or more races (7.96%)
Native American (1.2%)
Other race (1.17%)
Black or African American (1.16%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 7,851 | 88.51% |
| Two or more races | 706 | 7.96% |
| Native American | 106 | 1.2% |
| Other race | 104 | 1.17% |
| Black or African American | 103 | 1.16% |
Married
Widowed
Divorced
Separated
Never Married
Warrenton's average per capita income is $38,791. Household income levels show a median of $64,400. The poverty rate stands at 15.15%.
Name | Median | Mean |
|---|---|---|
| Married Families | $77,489 | - |
| Families | $72,210 | $81,694 |
| Households | $64,400 | $72,798 |
| Non Families | $26,629 | $51,463 |
Average Income
Median Household Income
Poverty Rate