Washington County, MO Demographics

The total population of Washington County is estimated to be 23,580 with 12,260 males (51.99%) and 11,320 females (48.01%). There are 940 less females than males in Washington County.
The median household income in Washington County was $48,592 in 2021, which marked an an increase of 38(0.08%) from $48,554 in 2020. This income is 65.13% 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, Washington County sees its highest median household income among householders in the age group of 45 to 64 years old, at $59,991. Overall, the median household income for the county of Washington County stands at $48,592.
In Washington County, the median income for all workers aged 15 years and older, regardless of work hours, was $34,210 for males and $20,067 for females. However, when specifically considering full-time, year-round workers within the same age group, the median income was $57,666 for males and $36,215 for females.
In Washington County, there are just two different racial groups among households. Among these, White households report a median household income of $49,335, while Two or More Races households have a median household income of $29,809.
In 2022, the population of Washington County was 23,441, a 0.01% decrease year-by-year from 2021. Previously, in 2021, Washington County's population was 23,444, an increase of 0.12% compared to a population of 23,416 in 2020.
The median age in Washington County, MO is 40.2, as per 2021 ACS 5-Year Estimates. Of the total population, 19.19% were under the age of 15, 17.51% aged 15 to 29, 46.86% aged 30 to 64, 14.90% aged 65 to 84, and 1.53% were 85 years of age and older.
Racial distribution of Washington County population: 94.49% are White, 2.03% are Black or African American, 0.12% are American Indian and Alaska Native, 0.17% are Asian, 0.12% are Native Hawaiian and other Pacific Islander, 0.07% are some other race and 3.01% are multiracial.