Sauk County, Wisconsin
Located in Wisconsin, Sauk County has a population of 66,009 residents and a median age of 41.6 years, making it the #830 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 8.1%. The median home value is $258,600, and the median household income is $79,541, which is 6% above the national median.
Demographics
Sauk County has a population of 66,009, making it the #830 most populous county in the US. The median age is 41.6 years, which is 6.9% 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 Sauk County is $79,541, ranking #604 out of 3,222 counties — 5.8% above the national median. The poverty rate is 8.1% and unemployment stands at 2.3%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Sauk County is $258,600 (-8.3% vs national). Renters pay a median of $1,018/mo and the homeownership rate is 72.4%.
Median Home Value Trend
Rankings →Household Type
Education
In Sauk County, 27.3% of adults age 25+ hold a bachelor's degree or higher, which is 18.8% below the national average, ranking #975 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Sauk County is 77.7 years. 17.3% of adults report poor or fair health and 7.6% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
18.7% of adults in Sauk County smoke , 39.6% are obese , and 26.2% report excessive drinking. The drug overdose death rate is 29.1 per 100,000.
Adult Smoking Trend
Safety
The suicide rate is 18.6 per 100,000. Motor vehicle deaths occur at a rate of 12.4 per 100,000.
Suicide Rate Trend
Families & Children
11.6% of children in Sauk County live in poverty and the infant mortality rate is 5.5 per 1,000 live births. The teen birth rate is 10.8 per 1,000 females age 15–19.
Infant Mortality Trend
Civic & Transportation
Voter turnout in Sauk County is 75.1%. The mean commute time is 25.2 min, which is 8.7% below the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Sauk County voted Republican with a margin of 1.6%. The vote was 48.4% Dem / 50% Rep. Compared to 2020, the margin shifted 3.3 toward Republicans .
Vote Share Over Time
About Sauk County, Wisconsin
Sauk County, Wisconsin has a total population of 66,009, making it the 830th most populous county in the United States. The median age in Sauk County is 41.6 years, which is 6.9% above the national median of 38.9 years.
The median household income in Sauk County is $79,541, which ranks #604 of 3,222 counties nationwide. This is 5.8% above the national median of $75,149. The poverty rate is 8.1%, lower than the national rate of 12.6%. The unemployment rate stands at 2.3%.
The median home value in Sauk County is $258,600, 8.3% below the national median. Renters in Sauk County pay a median gross rent of $1,018 per month. The homeownership rate is 72.4%, compared to the national rate of 64.4%.
In Sauk County, 27.3% of residents aged 25 and older hold a bachelor's degree or higher, 18.8% below the national average of 33.7%. Health insurance coverage stands at 94.0% of the population. The average commute time for workers is 25.2 min.
Sauk County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 86.3% of the population, followed by Hispanic or Latino (6.8%) and Two or More Races (4.4%).
All data for Sauk County, Wisconsin 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.