Thomas County, Kansas
Located in Kansas, Thomas County has a population of 7,885 residents and a median age of 35.3 years, making it the #2,658 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 6.5%. The median home value is $172,700, and the median household income is $71,325, which is 5% below the national median.
Demographics
Thomas County has a population of 7,885, making it the #2,658 most populous county in the US. The median age is 35.3 years, which is 9.3% below 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 Thomas County is $71,325, ranking #1,099 out of 3,222 counties — 5.1% below the national median. The poverty rate is 6.5% and unemployment stands at 0.6%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Thomas County is $172,700 (-38.7% vs national). Renters pay a median of $752/mo and the homeownership rate is 75.2%.
Median Home Value Trend
Rankings →Household Type
Education
In Thomas County, 34.6% of adults age 25+ hold a bachelor's degree or higher, which is 2.7% above the national average, ranking #484 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Thomas County is 77.7 years. 14.0% of adults report poor or fair health and 12.6% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
14.3% of adults in Thomas County smoke , 34.3% are obese , and 20.1% report excessive drinking.
Adult Smoking Trend
Safety
The suicide rate is 27.4 per 100,000. Motor vehicle deaths occur at a rate of 20.1 per 100,000.
Suicide Rate Trend
Families & Children
8.7% of children in Thomas County live in poverty . The teen birth rate is 10.7 per 1,000 females age 15–19.
Teen Birth Rate Trend
Civic & Transportation
Voter turnout in Thomas County is 66.5%. The mean commute time is 13.8 min, which is 50.2% below the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Thomas County voted Republican with a margin of 65.8%. The vote was 16.3% Dem / 82.1% Rep. Compared to 2020, the margin shifted 0.3 toward Republicans .
Vote Share Over Time
About Thomas County, Kansas
Thomas County, Kansas has a total population of 7,885, making it the 2,658th most populous county in the United States. The median age in Thomas County is 35.3 years, which is 9.3% below the national median of 38.9 years.
The median household income in Thomas County is $71,325, which ranks #1,099 of 3,222 counties nationwide. This is 5.1% below the national median of $75,149. The poverty rate is 6.5%, lower than the national rate of 12.6%. The unemployment rate stands at 0.6%.
The median home value in Thomas County is $172,700, 38.7% below the national median. Renters in Thomas County pay a median gross rent of $752 per month. The homeownership rate is 75.2%, compared to the national rate of 64.4%.
In Thomas County, 34.6% of residents aged 25 and older hold a bachelor's degree or higher, 2.7% above the national average of 33.7%. Health insurance coverage stands at 89.6% of the population. The average commute time for workers is 13.8 min.
Thomas County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 86.6% of the population, followed by Hispanic or Latino (8.4%) and Two or More Races (4.2%).
All data for Thomas 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.