Davison County, South Dakota
Located in South Dakota, Davison County has a population of 19,952 residents and a median age of 39.6 years, making it the #1,882 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 11.2%. The median home value is $205,800, and the median household income is $66,208, which is 12% below the national median.
Demographics
Davison County has a population of 19,952, making it the #1,882 most populous county in the US. The median age is 39.6 years, which is 1.8% 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 Davison County is $66,208, ranking #1,509 out of 3,222 counties — 11.9% below the national median. The poverty rate is 11.2% and unemployment stands at 0.9%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Davison County is $205,800 (-27.0% vs national). Renters pay a median of $847/mo and the homeownership rate is 61.5%.
Median Home Value Trend
Rankings →Household Type
Education
In Davison County, 22.6% of adults age 25+ hold a bachelor's degree or higher, which is 32.9% below the national average, ranking #1,560 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Davison County is 78.5 years. 15.9% of adults report poor or fair health and 11.0% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
18.7% of adults in Davison County smoke , 36.9% are obese , and 22.4% report excessive drinking.
Adult Smoking Trend
Safety
The suicide rate is 22.9 per 100,000. Motor vehicle deaths occur at a rate of 10.1 per 100,000.
Suicide Rate Trend
Families & Children
11.7% of children in Davison County live in poverty . The teen birth rate is 15.3 per 1,000 females age 15–19.
Teen Birth Rate Trend
Civic & Transportation
Voter turnout in Davison County is 56.1%. The mean commute time is 16.3 min, which is 40.9% below the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Davison County voted Republican with a margin of 37.7%. The vote was 29.9% Dem / 67.6% Rep. Compared to 2020, the margin shifted 2.6 toward Republicans .
Vote Share Over Time
About Davison County, South Dakota
Davison County, South Dakota has a total population of 19,952, making it the 1,882nd most populous county in the United States. The median age in Davison County is 39.6 years, which is 1.8% above the national median of 38.9 years.
The median household income in Davison County is $66,208, which ranks #1,509 of 3,222 counties nationwide. This is 11.9% below the national median of $75,149. The poverty rate is 11.2%, lower than the national rate of 12.6%. The unemployment rate stands at 0.9%.
The median home value in Davison County is $205,800, 27.0% below the national median. Renters in Davison County pay a median gross rent of $847 per month. The homeownership rate is 61.5%, compared to the national rate of 64.4%.
In Davison County, 22.6% of residents aged 25 and older hold a bachelor's degree or higher, 32.9% below the national average of 33.7%. Health insurance coverage stands at 92.0% of the population. The average commute time for workers is 16.3 min.
Davison County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 88.2% of the population, followed by Hispanic or Latino (5.1%) and American Indian (non-Hispanic) (3.1%).
All data for Davison County, South Dakota 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.