Warren County, MO Demographics

The total population of Warren County is estimated to be 35,729 with 17,840 males (49.93%) and 17,889 females (50.07%). There are 49 more females than males in Warren County.
The median household income in Warren County was $73,880 in 2021, which marked an an increase of 526(0.72%) from $73,354 in 2020. This income is 99.03% of the U.S. median household income of $74,606 (all incomes in 2022 inflation-adjusted dollars).
Per the latest American Community Survey by the Census Bureau, Warren County sees its highest median household income among householders in the age group of 45 to 64 years old, at $95,888. Overall, the median household income for the county of Warren County stands at $73,880.
In Warren County, the median income for all workers aged 15 years and older, regardless of work hours, was $44,147 for males and $26,229 for females. However, when specifically considering full-time, year-round workers within the same age group, the median income was $59,748 for males and $45,881 for females.
In Warren County, there are just three different racial groups among households. Among these, Black or African American households report a median household income of $75,466, followed by White households at $74,958, and Two or More Races households with a median household income of $48,877.
In 2022, the population of Warren County was 37,260, a 2.00% increase year-by-year from 2021. Previously, in 2021, Warren County's population was 36,529, an increase of 2.21% compared to a population of 35,740 in 2020.
The median age in Warren County, MO is 41.4, as per 2021 ACS 5-Year Estimates. Of the total population, 19.54% were under the age of 15, 17.07% aged 15 to 29, 45.89% aged 30 to 64, 16.12% aged 65 to 84, and 1.38% were 85 years of age and older.
Racial distribution of Warren County population: 91.49% are White, 1.85% are Black or African American, 0.77% are American Indian and Alaska Native, 0.72% are Asian, 0.96% are some other race and 4.21% are multiracial.