Maries County, Missouri
Located in Missouri, Maries County has a population of 8,450 residents and a median age of 44.9 years, making it the #2,613 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 13.5%. The median home value is $219,100, and the median household income is $59,455, which is 21% below the national median.
Demographics
Maries County has a population of 8,450, making it the #2,613 most populous county in the US. The median age is 44.9 years, which is 15.4% 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 Maries County is $59,455, ranking #2,129 out of 3,222 counties — 20.9% below the national median. The poverty rate is 13.5% and unemployment stands at 4.8%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Maries County is $219,100 (-22.3% vs national). Renters pay a median of $590/mo and the homeownership rate is 78.3%.
Median Home Value Trend
Rankings →Household Type
Education
In Maries County, 16.3% of adults age 25+ hold a bachelor's degree or higher, which is 51.7% below the national average, ranking #2,621 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Maries County is 74.3 years. 22.0% of adults report poor or fair health and 13.1% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
24.6% of adults in Maries County smoke , 38.8% are obese , and 20.1% report excessive drinking. The drug overdose death rate is 41.9 per 100,000.
Adult Smoking Trend
Safety
. Motor vehicle deaths occur at a rate of 21.4 per 100,000.
Motor Vehicle Deaths Trend
Families & Children
16.0% of children in Maries County live in poverty . The teen birth rate is 23.8 per 1,000 females age 15–19.
Teen Birth Rate Trend
Civic & Transportation
Voter turnout in Maries County is 69.1%. The mean commute time is 37.6 min, which is 36.1% above the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Maries County voted Republican with a margin of 67.5%. The vote was 15.8% Dem / 83.3% Rep. Compared to 2020, the margin shifted 3.0 toward Republicans .
Vote Share Over Time
About Maries County, Missouri
Maries County, Missouri has a total population of 8,450, making it the 2,613th most populous county in the United States. The median age in Maries County is 44.9 years, which is 15.4% above the national median of 38.9 years.
The median household income in Maries County is $59,455, which ranks #2,129 of 3,222 counties nationwide. This is 20.9% below the national median of $75,149. The poverty rate is 13.5%, higher than the national rate of 12.6%. The unemployment rate stands at 4.8%.
The median home value in Maries County is $219,100, 22.3% below the national median. Renters in Maries County pay a median gross rent of $590 per month. The homeownership rate is 78.3%, compared to the national rate of 64.4%.
In Maries County, 16.3% of residents aged 25 and older hold a bachelor's degree or higher, 51.7% below the national average of 33.7%. Health insurance coverage stands at 94.5% of the population. The average commute time for workers is 37.6 min.
Maries County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 91.7% of the population, followed by Two or More Races (4.8%) and Hispanic or Latino (2.1%).
All data for Maries 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.