Mississippi County, Missouri
Located in Missouri, Mississippi County has a population of 11,902 residents and a median age of 41.1 years, making it the #2,359 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 19.0%. The median home value is $109,000, and the median household income is $48,160, which is 36% below the national median.
Demographics
Mississippi County has a population of 11,902, making it the #2,359 most populous county in the US. The median age is 41.1 years, which is 5.7% 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 Mississippi County is $48,160, ranking #2,866 out of 3,222 counties — 35.9% below the national median. The poverty rate is 19.0% and unemployment stands at 2.7%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Mississippi County is $109,000 (-61.3% vs national). Renters pay a median of $762/mo and the homeownership rate is 62.9%.
Median Home Value Trend
Rankings →Household Type
Education
In Mississippi County, 14.7% of adults age 25+ hold a bachelor's degree or higher, which is 56.3% below the national average, ranking #2,853 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Mississippi County is 70.0 years. 28.8% of adults report poor or fair health and 15.0% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
28.9% of adults in Mississippi County smoke , 44.5% are obese , and 17.4% report excessive drinking. The drug overdose death rate is 27.0 per 100,000.
Adult Smoking Trend
Safety
The homicide rate in Mississippi County is 14.3 per 100,000 and the suicide rate is 20.2 per 100,000. Motor vehicle deaths occur at a rate of 29.7 per 100,000.
Homicide Rate Trend
Families & Children
28.1% of children in Mississippi County live in poverty and the infant mortality rate is 18.5 per 1,000 live births. The teen birth rate is 45.5 per 1,000 females age 15–19.
Teen Birth Rate Trend
Civic & Transportation
Voter turnout in Mississippi County is 45.7%. The mean commute time is 23.1 min, which is 16.3% below the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Mississippi County voted Republican with a margin of 53.7%. The vote was 22.8% Dem / 76.5% Rep. Compared to 2020, the margin shifted 4.1 toward Republicans .
Vote Share Over Time
About Mississippi County, Missouri
Mississippi County, Missouri has a total population of 11,902, making it the 2,359th most populous county in the United States. The median age in Mississippi County is 41.1 years, which is 5.7% above the national median of 38.9 years.
The median household income in Mississippi County is $48,160, which ranks #2,866 of 3,222 counties nationwide. This is 35.9% below the national median of $75,149. The poverty rate is 19.0%, higher than the national rate of 12.6%. The unemployment rate stands at 2.7%.
The median home value in Mississippi County is $109,000, 61.3% below the national median. Renters in Mississippi County pay a median gross rent of $762 per month. The homeownership rate is 62.9%, compared to the national rate of 64.4%.
In Mississippi County, 14.7% of residents aged 25 and older hold a bachelor's degree or higher, 56.3% below the national average of 33.7%. Health insurance coverage stands at 89.1% of the population. The average commute time for workers is 23.1 min.
Mississippi County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 70.7% of the population, followed by Black (non-Hispanic) (19.0%) and Two or More Races (8.9%).
All data for Mississippi 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.