Seward County, Kansas
Located in Kansas, Seward County has a population of 21,486 residents and a median age of 31.0 years, making it the #1,795 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 12.2%. The median home value is $136,500, and the median household income is $63,827, which is 15% below the national median.
Demographics
Seward County has a population of 21,486, making it the #1,795 most populous county in the US. The median age is 31.0 years, which is 20.3% 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 Seward County is $63,827, ranking #1,718 out of 3,222 counties — 15.1% below the national median. The poverty rate is 12.2% and unemployment stands at 4.9%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Seward County is $136,500 (-51.6% vs national). Renters pay a median of $905/mo and the homeownership rate is 61.8%.
Median Home Value Trend
Rankings →Household Type
Education
In Seward County, 11.4% of adults age 25+ hold a bachelor's degree or higher, which is 66.3% below the national average, ranking #3,141 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Seward County is 77.2 years. 23.3% of adults report poor or fair health and 18.2% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
16.7% of adults in Seward County smoke , 45.5% are obese , and 17.4% report excessive drinking. The drug overdose death rate is 15.3 per 100,000.
Adult Smoking Trend
Safety
The homicide rate in Seward County is 6.3 per 100,000 and the suicide rate is 14.4 per 100,000. Motor vehicle deaths occur at a rate of 13.8 per 100,000.
Suicide Rate Trend
Families & Children
18.3% of children in Seward County live in poverty and the infant mortality rate is 6.7 per 1,000 live births. The teen birth rate is 39.4 per 1,000 females age 15–19.
Teen Birth Rate Trend
Civic & Transportation
Voter turnout in Seward County is 48.0%. The mean commute time is 16.3 min, which is 40.9% below the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Seward County voted Republican with a margin of 38.9%. The vote was 29.7% Dem / 68.6% Rep. Compared to 2020, the margin shifted 8.5 toward Republicans .
Vote Share Over Time
About Seward County, Kansas
Seward County, Kansas has a total population of 21,486, making it the 1,795th most populous county in the United States. The median age in Seward County is 31.0 years, which is 20.3% below the national median of 38.9 years.
The median household income in Seward County is $63,827, which ranks #1,718 of 3,222 counties nationwide. This is 15.1% below the national median of $75,149. The poverty rate is 12.2%, lower than the national rate of 12.6%. The unemployment rate stands at 4.9%.
The median home value in Seward County is $136,500, 51.6% below the national median. Renters in Seward County pay a median gross rent of $905 per month. The homeownership rate is 61.8%, compared to the national rate of 64.4%.
In Seward County, 11.4% of residents aged 25 and older hold a bachelor's degree or higher, 66.3% below the national average of 33.7%. Health insurance coverage stands at 87.5% of the population. The average commute time for workers is 16.3 min.
Seward County is a diverse community. The largest racial or ethnic group is Hispanic or Latino at 67.4% of the population, followed by White (non-Hispanic) (25.1%) and Black (non-Hispanic) (2.9%).
All data for Seward 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.