Harrison County, Missouri
Located in Missouri, Harrison County has a population of 8,190 residents and a median age of 41.8 years, making it the #2,636 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 19.6%. The median home value is $109,500, and the median household income is $54,367, which is 28% below the national median.
Demographics
Harrison County has a population of 8,190, making it the #2,636 most populous county in the US. The median age is 41.8 years, which is 7.5% 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 Harrison County is $54,367, ranking #2,511 out of 3,222 counties — 27.7% below the national median. The poverty rate is 19.6% and unemployment stands at 2.5%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Harrison County is $109,500 (-61.2% vs national). Renters pay a median of $703/mo and the homeownership rate is 71.4%.
Median Home Value Trend
Rankings →Household Type
Education
In Harrison County, 15.7% of adults age 25+ hold a bachelor's degree or higher, which is 53.5% below the national average, ranking #2,721 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Harrison County is 77.1 years. 20.3% of adults report poor or fair health and 10.6% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
21.7% of adults in Harrison County smoke , 42.5% are obese , and 19.4% report excessive drinking.
Adult Smoking Trend
Safety
The suicide rate is 24.3 per 100,000. Motor vehicle deaths occur at a rate of 23.9 per 100,000.
Suicide Rate Trend
Families & Children
20.5% of children in Harrison County live in poverty . The teen birth rate is 17.4 per 1,000 females age 15–19.
Teen Birth Rate Trend
Civic & Transportation
Voter turnout in Harrison County is 60.8%. The mean commute time is 24.2 min, which is 12.2% below the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Harrison County voted Republican with a margin of 71.7%. The vote was 13.9% Dem / 85.6% Rep. Compared to 2020, the margin shifted 3.7 toward Republicans .
Vote Share Over Time
About Harrison County, Missouri
Harrison County, Missouri has a total population of 8,190, making it the 2,636th most populous county in the United States. The median age in Harrison County is 41.8 years, which is 7.5% above the national median of 38.9 years.
The median household income in Harrison County is $54,367, which ranks #2,511 of 3,222 counties nationwide. This is 27.7% below the national median of $75,149. The poverty rate is 19.6%, higher than the national rate of 12.6%. The unemployment rate stands at 2.5%.
The median home value in Harrison County is $109,500, 61.2% below the national median. Renters in Harrison County pay a median gross rent of $703 per month. The homeownership rate is 71.4%, compared to the national rate of 64.4%.
In Harrison County, 15.7% of residents aged 25 and older hold a bachelor's degree or higher, 53.5% below the national average of 33.7%. Health insurance coverage stands at 86.4% of the population. The average commute time for workers is 24.2 min.
Harrison County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 93.8% of the population, followed by Two or More Races (3.0%) and Asian (non-Hispanic) (1.2%).
All data for Harrison County, Missouri 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.