Lyon County, Kansas
Located in Kansas, Lyon County has a population of 32,186 residents and a median age of 33.1 years, making it the #1,415 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 14.6%. The median home value is $150,600, and the median household income is $59,912, which is 20% below the national median.
Demographics
Lyon County has a population of 32,186, making it the #1,415 most populous county in the US. The median age is 33.1 years, which is 14.9% 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 Lyon County is $59,912, ranking #2,093 out of 3,222 counties — 20.3% below the national median. The poverty rate is 14.6% and unemployment stands at 2.0%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Lyon County is $150,600 (-46.6% vs national). Renters pay a median of $817/mo and the homeownership rate is 57.9%.
Median Home Value Trend
Rankings →Household Type
Education
In Lyon County, 26.3% of adults age 25+ hold a bachelor's degree or higher, which is 22.0% below the national average, ranking #1,073 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Lyon County is 76.9 years. 18.5% of adults report poor or fair health and 13.4% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
17.0% of adults in Lyon County smoke , 39.1% are obese , and 17.3% report excessive drinking. The drug overdose death rate is 13.4 per 100,000.
Adult Smoking Trend
Safety
The suicide rate is 18.2 per 100,000. Motor vehicle deaths occur at a rate of 14.8 per 100,000.
Suicide Rate Trend
Families & Children
14.9% of children in Lyon County live in poverty and the infant mortality rate is 7.0 per 1,000 live births. The teen birth rate is 15.3 per 1,000 females age 15–19.
Infant Mortality Trend
Civic & Transportation
Voter turnout in Lyon County is 58.8%. The mean commute time is 17.1 min, which is 38.1% below the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Lyon County voted Republican with a margin of 14.7%. The vote was 41.6% Dem / 56.3% Rep. Compared to 2020, the margin shifted 3.7 toward Republicans .
Vote Share Over Time
About Lyon County, Kansas
Lyon County, Kansas has a total population of 32,186, making it the 1,415th most populous county in the United States. The median age in Lyon County is 33.1 years, which is 14.9% below the national median of 38.9 years.
The median household income in Lyon County is $59,912, which ranks #2,093 of 3,222 counties nationwide. This is 20.3% below the national median of $75,149. The poverty rate is 14.6%, higher than the national rate of 12.6%. The unemployment rate stands at 2.0%.
The median home value in Lyon County is $150,600, 46.6% below the national median. Renters in Lyon County pay a median gross rent of $817 per month. The homeownership rate is 57.9%, compared to the national rate of 64.4%.
In Lyon County, 26.3% of residents aged 25 and older hold a bachelor's degree or higher, 22.0% below the national average of 33.7%. Health insurance coverage stands at 88.5% of the population. The average commute time for workers is 17.1 min.
Lyon County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 68.3% of the population, followed by Hispanic or Latino (24.2%) and Two or More Races (3.9%).
All data for Lyon 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.