Warrenton is a city located in Warren County, Missouri. Warrenton has a 2026 population of 9,850. It is also the county seat of Warren County. Warrenton is currently growing at a rate of 2.23% annually and its population has increased by 15.08% since the most recent census, which recorded a population of 8,559 in 2020.
The median household income in Warrenton is $61,031 with a poverty rate of 14.62%. The median age in Warrenton is 33.7 years: 31.1 years for males, and 34.7 years for females. For every 100 females there are 79.1 males.
Data after 2023 is projected based on recent change
Overall: 33.7 years
Female: 34.7 years
Male: 31.1 years
There are 6,834 adults, (1,425 of whom are seniors) in Warrenton.
Female: 5,061 (55.8%)
Male: 4,005 (44.2%)
The racial composition of Warrenton includes 89.63% White, and smaller percentages for other race, Black or African American, Native American, Asian and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 8,126 | 89.63% |
| Two or more races | 705 | 7.78% |
| Other race | 112 | 1.24% |
| Black or African American | 98 | 1.08% |
| Native American | 19 | 0.21% |
| Asian | 6 | 0.07% |
Warrenton 's average per capita income is $40,394. Household income levels show a median of $61,031. The poverty rate stands at 14.62%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $84,028 | - |
| Families | $73,087 | $82,634 |
| Households | $61,031 | $72,736 |
| Non Families | $26,553 | $47,475 |
Average Income
Median Household Income
Poverty Rate