Warren County Flag

Warren County

State:
Missouri
County Seat:
Warrenton

Warren County's estimated 2025 population is 38,838 with a growth rate of 1.35% 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 19.09% since that time.

38,838
Total Population
91
Population Density (mi²)
31
Population Rank (State)
516 1.35%
Annual Population Growth

Warren County Population

Warren County Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Warren County includes 90.11% White, and smaller percentages for Black or African American, other race, Native American, Asian and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White32,85990.11%
Two or more races2,0565.64%
Black or African American7792.14%
Other race3400.93%
Native American2490.68%
Asian1840.5%

Warren County Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Warren County's average per capita income is $47,287. Household income levels show a median of $77,989. The poverty rate stands at 9.33%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median
Mean
Married Families$100,256$120,790
Families$91,618$110,291
Households$77,989$97,919
Non Families$43,378$58,157

$47,287

Average Income

$77,989

Median Household Income

9.33%

Poverty Rate