Clay County, Kansas
Located in Kansas, Clay County has a population of 8,048 residents and a median age of 43.7 years, making it the #2,653 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 13.4%. The median home value is $155,900, and the median household income is $66,176, which is 12% below the national median.
Demographics
Clay County has a population of 8,048, making it the #2,653 most populous county in the US. The median age is 43.7 years, which is 12.3% 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 Clay County is $66,176, ranking #1,517 out of 3,222 counties — 11.9% below the national median. The poverty rate is 13.4% and unemployment stands at 1.0%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Clay County is $155,900 (-44.7% vs national). Renters pay a median of $937/mo and the homeownership rate is 78.0%.
Median Home Value Trend
Rankings →Household Type
Education
In Clay County, 25.5% of adults age 25+ hold a bachelor's degree or higher, which is 24.3% below the national average, ranking #1,166 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Clay County is 78.2 years. 17.6% of adults report poor or fair health and 9.4% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
19.8% of adults in Clay County smoke , 40.1% are obese , and 19.8% report excessive drinking.
Adult Smoking Trend
Safety
. Motor vehicle deaths occur at a rate of 19.6 per 100,000.
Motor Vehicle Deaths Trend
Families & Children
14.6% of children in Clay County live in poverty . The teen birth rate is 10.9 per 1,000 females age 15–19.
Teen Birth Rate Trend
Civic & Transportation
Voter turnout in Clay County is 68.3%. The mean commute time is 26.3 min, which is 4.9% below the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Clay County voted Republican with a margin of 55.5%. The vote was 21.1% Dem / 76.6% Rep. Compared to 2020, the margin shifted 1.2 toward Republicans .
Vote Share Over Time
About Clay County, Kansas
Clay County, Kansas has a total population of 8,048, making it the 2,653rd most populous county in the United States. The median age in Clay County is 43.7 years, which is 12.3% above the national median of 38.9 years.
The median household income in Clay County is $66,176, which ranks #1,517 of 3,222 counties nationwide. This is 11.9% below the national median of $75,149. The poverty rate is 13.4%, higher than the national rate of 12.6%. The unemployment rate stands at 1.0%.
The median home value in Clay County is $155,900, 44.7% below the national median. Renters in Clay County pay a median gross rent of $937 per month. The homeownership rate is 78.0%, compared to the national rate of 64.4%.
In Clay County, 25.5% of residents aged 25 and older hold a bachelor's degree or higher, 24.3% below the national average of 33.7%. Health insurance coverage stands at 94.3% of the population. The average commute time for workers is 26.3 min.
Clay County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 90.0% of the population, followed by Hispanic or Latino (3.5%) and Two or More Races (3.0%).
All data for Clay 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.