Miami County, Kansas
Located in Kansas, Miami County has a population of 34,938 residents and a median age of 41.7 years, making it the #1,342 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 7.9%. The median home value is $287,700, and the median household income is $89,000, which is 18% above the national median.
Demographics
Miami County has a population of 34,938, making it the #1,342 most populous county in the US. The median age is 41.7 years, which is 7.2% 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 Miami County is $89,000, ranking #329 out of 3,222 counties — 18.4% above the national median. The poverty rate is 7.9% and unemployment stands at 3.7%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Miami County is $287,700 (+2.1% vs national). Renters pay a median of $1,107/mo and the homeownership rate is 78.2%.
Median Home Value Trend
Rankings →Household Type
Education
In Miami County, 31.0% of adults age 25+ hold a bachelor's degree or higher, which is 8.0% below the national average, ranking #701 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Miami County is 77.1 years. 12.0% of adults report poor or fair health and 7.6% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
13.4% of adults in Miami County smoke , 35.4% are obese , and 21.4% report excessive drinking. The drug overdose death rate is 12.5 per 100,000.
Adult Smoking Trend
Safety
The suicide rate is 18.9 per 100,000. Motor vehicle deaths occur at a rate of 19.7 per 100,000.
Suicide Rate Trend
Families & Children
8.2% of children in Miami County live in poverty . The teen birth rate is 11.9 per 1,000 females age 15–19.
Teen Birth Rate Trend
Civic & Transportation
Voter turnout in Miami County is 70.8%. The mean commute time is 32.7 min, which is 18.4% above the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Miami County voted Republican with a margin of 39.5%. The vote was 29.3% Dem / 68.8% Rep. Compared to 2020, the margin shifted +0.1 toward Democrats .
Vote Share Over Time
About Miami County, Kansas
Miami County, Kansas has a total population of 34,938, making it the 1,342nd most populous county in the United States. The median age in Miami County is 41.7 years, which is 7.2% above the national median of 38.9 years.
The median household income in Miami County is $89,000, which ranks #329 of 3,222 counties nationwide. This is 18.4% above the national median of $75,149. The poverty rate is 7.9%, lower than the national rate of 12.6%. The unemployment rate stands at 3.7%.
The median home value in Miami County is $287,700, 2.1% above the national median. Renters in Miami County pay a median gross rent of $1,107 per month. The homeownership rate is 78.2%, compared to the national rate of 64.4%.
In Miami County, 31.0% of residents aged 25 and older hold a bachelor's degree or higher, 8.0% below the national average of 33.7%. Health insurance coverage stands at 92.9% of the population. The average commute time for workers is 32.7 min.
Miami County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 89.9% of the population, followed by Two or More Races (4.5%) and Hispanic or Latino (4.1%).
All data for Miami 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.