Warren County's estimated 2026 population is 39,505 with a growth rate of 1.25% in the past year according to the most recent United States census data. Warren County is the 31st largest county in Missouri. The 2010 population was 32,612 and has seen a growth of 21.14% since that time.
Data after 2023 is projected based on recent change
Overall: 40.8 years
Female: 41.7 years
Male: 40.3 years
There are 28,582 adults, (6,777 of whom are seniors) in Warren County.
Female: 18,614 (50.1%)
Male: 18,563 (49.9%)
The racial composition of Warren County includes 89.89% White, and smaller percentages for Black or African American, other race, Native American, Asian, Native Hawaiian or Pacific Islander and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 33,419 | 89.89% |
| Two or more races | 2,629 | 7.07% |
| Black or African American | 407 | 1.09% |
| Other race | 393 | 1.06% |
| Native American | 168 | 0.45% |
| Asian | 159 | 0.43% |
| Native Hawaiian or Pacific Islander | 2 | 0.01% |
Warren County's average per capita income is $47,582. Household income levels show a median of $81,209. The poverty rate stands at 8.01%.
Name | Median | Mean |
|---|---|---|
| Married Families | $104,372 | $124,408 |
| Families | $96,574 | $113,431 |
| Households | $81,209 | $99,746 |
| Non Families | $40,758 | $56,121 |
Average Income
Median Household Income
Poverty Rate