Washington County, Kansas
Located in Kansas, Washington County has a population of 5,533 residents and a median age of 43.4 years, making it the #2,852 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 9.3%. The median home value is $117,100, and the median household income is $65,482, which is 13% below the national median.
Demographics
Washington County has a population of 5,533, making it the #2,852 most populous county in the US. The median age is 43.4 years, which is 11.6% above the national median.
Population Trend
Rankings →Year-over-Year Population Growth
Age & Sex Distribution
Race & Ethnicity
Nativity
Geographic Mobility (Past Year)
Economy
The median household income in Washington County is $65,482, ranking #1,594 out of 3,222 counties — 12.9% below the national median. The poverty rate is 9.3% and unemployment stands at 1.1%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Washington County is $117,100 (-58.5% vs national). Renters pay a median of $562/mo and the homeownership rate is 78.5%.
Median Home Value Trend
Rankings →Household Type
Education
In Washington County, 25.8% of adults age 25+ hold a bachelor's degree or higher, which is 23.5% below the national average, ranking #1,141 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Washington County is 79.6 years. 14.6% of adults report poor or fair health and 11.9% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
17.2% of adults in Washington County smoke , 40.3% are obese , and 19.6% report excessive drinking.
Adult Smoking Trend
Safety
. Motor vehicle deaths occur at a rate of 28.2 per 100,000.
Families & Children
12.1% of children in Washington County live in poverty . The teen birth rate is 10.6 per 1,000 females age 15–19.
Child Poverty Trend
Civic & Transportation
Voter turnout in Washington County is 69.9%. The mean commute time is 21.2 min, which is 23.2% below the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Washington County voted Republican with a margin of 69.1%. The vote was 14.7% Dem / 83.8% Rep. Compared to 2020, the margin shifted 3.5 toward Republicans .
Vote Share Over Time
About Washington County, Kansas
Washington County, Kansas has a total population of 5,533, making it the 2,852nd most populous county in the United States. The median age in Washington County is 43.4 years, which is 11.6% above the national median of 38.9 years.
The median household income in Washington County is $65,482, which ranks #1,594 of 3,222 counties nationwide. This is 12.9% below the national median of $75,149. The poverty rate is 9.3%, lower than the national rate of 12.6%. The unemployment rate stands at 1.1%.
The median home value in Washington County is $117,100, 58.5% below the national median. Renters in Washington County pay a median gross rent of $562 per month. The homeownership rate is 78.5%, compared to the national rate of 64.4%.
In Washington County, 25.8% of residents aged 25 and older hold a bachelor's degree or higher, 23.5% below the national average of 33.7%. Health insurance coverage stands at 94.6% of the population. The average commute time for workers is 21.2 min.
Washington County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 89.9% of the population, followed by Hispanic or Latino (4.9%) and Two or More Races (3.3%).
All data for Washington County, Kansas comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates. These figures are estimates based on survey sampling and are subject to margin of error. For the most detailed and up-to-date data, visit the Census Bureau's official data portal.