Dallas County, Missouri
Located in Missouri, Dallas County has a population of 17,551 residents and a median age of 41.7 years, making it the #2,008 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 20.5%. The median home value is $190,300, and the median household income is $53,464, which is 29% below the national median.
Demographics
Dallas County has a population of 17,551, making it the #2,008 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 Dallas County is $53,464, ranking #2,565 out of 3,222 counties — 28.9% below the national median. The poverty rate is 20.5% and unemployment stands at 3.9%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Dallas County is $190,300 (-32.5% vs national). Renters pay a median of $642/mo and the homeownership rate is 75.9%.
Median Home Value Trend
Rankings →Household Type
Education
In Dallas County, 16.4% of adults age 25+ hold a bachelor's degree or higher, which is 51.2% below the national average, ranking #2,600 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Dallas County is 72.3 years. 21.3% of adults report poor or fair health and 14.8% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
23.3% of adults in Dallas County smoke , 40.6% are obese , and 19.4% report excessive drinking.
Adult Smoking Trend
Safety
The suicide rate is 19.1 per 100,000. Motor vehicle deaths occur at a rate of 25.2 per 100,000.
Suicide Rate Trend
Families & Children
22.1% of children in Dallas County live in poverty and the infant mortality rate is 13.2 per 1,000 live births. The teen birth rate is 23.6 per 1,000 females age 15–19.
Infant Mortality Trend
Civic & Transportation
Voter turnout in Dallas County is 63.8%. The mean commute time is 34.4 min, which is 24.5% above the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Dallas County voted Republican with a margin of 64.5%. The vote was 17.3% Dem / 81.8% Rep. Compared to 2020, the margin shifted +0.2 toward Democrats .
Vote Share Over Time
About Dallas County, Missouri
Dallas County, Missouri has a total population of 17,551, making it the 2,008th most populous county in the United States. The median age in Dallas County is 41.7 years, which is 7.2% above the national median of 38.9 years.
The median household income in Dallas County is $53,464, which ranks #2,565 of 3,222 counties nationwide. This is 28.9% below the national median of $75,149. The poverty rate is 20.5%, higher than the national rate of 12.6%. The unemployment rate stands at 3.9%.
The median home value in Dallas County is $190,300, 32.5% below the national median. Renters in Dallas County pay a median gross rent of $642 per month. The homeownership rate is 75.9%, compared to the national rate of 64.4%.
In Dallas County, 16.4% of residents aged 25 and older hold a bachelor's degree or higher, 51.2% below the national average of 33.7%. Health insurance coverage stands at 84.1% of the population. The average commute time for workers is 34.4 min.
Dallas County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 93.1% of the population, followed by Two or More Races (4.3%) and Hispanic or Latino (2.3%).
All data for Dallas 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.