Hamlin County, South Dakota
Located in South Dakota, Hamlin County has a population of 6,373 residents and a median age of 31.8 years, making it the #2,784 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 6.9%. The median home value is $208,600, and the median household income is $87,101, which is 16% above the national median.
Demographics
Hamlin County has a population of 6,373, making it the #2,784 most populous county in the US. The median age is 31.8 years, which is 18.3% below 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 Hamlin County is $87,101, ranking #368 out of 3,222 counties — 15.9% above the national median. The poverty rate is 6.9% and unemployment stands at 0.5%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Hamlin County is $208,600 (-26.0% vs national). Renters pay a median of $800/mo and the homeownership rate is 82.0%.
Median Home Value Trend
Rankings →Household Type
Education
In Hamlin County, 24.5% of adults age 25+ hold a bachelor's degree or higher, which is 27.4% below the national average, ranking #1,298 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Hamlin County is 77.3 years. 12.5% of adults report poor or fair health and 11.8% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
15.9% of adults in Hamlin County smoke , 34.2% are obese , and 23.2% report excessive drinking.
Adult Smoking Trend
Safety
.
Families & Children
7.5% of children in Hamlin County live in poverty . The teen birth rate is 24.6 per 1,000 females age 15–19.
Teen Birth Rate Trend
Civic & Transportation
Voter turnout in Hamlin County is 76.9%. The mean commute time is 23.6 min, which is 14.4% below the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Hamlin County voted Republican with a margin of 60.5%. The vote was 18.9% Dem / 79.4% Rep. Compared to 2020, the margin shifted 4.6 toward Republicans .
Vote Share Over Time
About Hamlin County, South Dakota
Hamlin County, South Dakota has a total population of 6,373, making it the 2,784th most populous county in the United States. The median age in Hamlin County is 31.8 years, which is 18.3% below the national median of 38.9 years.
The median household income in Hamlin County is $87,101, which ranks #368 of 3,222 counties nationwide. This is 15.9% above the national median of $75,149. The poverty rate is 6.9%, lower than the national rate of 12.6%. The unemployment rate stands at 0.5%.
The median home value in Hamlin County is $208,600, 26.0% below the national median. Renters in Hamlin County pay a median gross rent of $800 per month. The homeownership rate is 82.0%, compared to the national rate of 64.4%.
In Hamlin County, 24.5% of residents aged 25 and older hold a bachelor's degree or higher, 27.4% below the national average of 33.7%. Health insurance coverage stands at 92.3% of the population. The average commute time for workers is 23.6 min.
Hamlin County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 91.2% of the population, followed by Hispanic or Latino (5.9%) and Two or More Races (2.2%).
All data for Hamlin 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.