Clark County, Wisconsin
Located in Wisconsin, Clark County has a population of 34,739 residents and a median age of 36.7 years, making it the #1,346 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 12.1%. The median home value is $172,800, and the median household income is $67,400, which is 10% below the national median.
Demographics
Clark County has a population of 34,739, making it the #1,346 most populous county in the US. The median age is 36.7 years, which is 5.7% 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 Clark County is $67,400, ranking #1,396 out of 3,222 counties — 10.3% below the national median. The poverty rate is 12.1% and unemployment stands at 3.7%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Clark County is $172,800 (-38.7% vs national). Renters pay a median of $823/mo and the homeownership rate is 78.5%.
Median Home Value Trend
Rankings →Household Type
Education
In Clark County, 13.0% of adults age 25+ hold a bachelor's degree or higher, which is 61.4% below the national average, ranking #3,028 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Clark County is 76.8 years. 18.7% of adults report poor or fair health and 20.0% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
19.6% of adults in Clark County smoke , 43.1% are obese , and 23.2% report excessive drinking. The drug overdose death rate is 12.5 per 100,000.
Adult Smoking Trend
Safety
The suicide rate is 18.1 per 100,000. Motor vehicle deaths occur at a rate of 20.6 per 100,000.
Suicide Rate Trend
Families & Children
15.9% of children in Clark County live in poverty and the infant mortality rate is 6.2 per 1,000 live births. The teen birth rate is 12.4 per 1,000 females age 15–19.
Infant Mortality Trend
Civic & Transportation
Voter turnout in Clark County is 62.5%. The mean commute time is 24.0 min, which is 13.1% below the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Clark County voted Republican with a margin of 39.0%. The vote was 29.4% Dem / 68.4% Rep. Compared to 2020, the margin shifted 2.3 toward Republicans .
Vote Share Over Time
About Clark County, Wisconsin
Clark County, Wisconsin has a total population of 34,739, making it the 1,346th most populous county in the United States. The median age in Clark County is 36.7 years, which is 5.7% below the national median of 38.9 years.
The median household income in Clark County is $67,400, which ranks #1,396 of 3,222 counties nationwide. This is 10.3% below the national median of $75,149. The poverty rate is 12.1%, lower than the national rate of 12.6%. The unemployment rate stands at 3.7%.
The median home value in Clark County is $172,800, 38.7% below the national median. Renters in Clark County pay a median gross rent of $823 per month. The homeownership rate is 78.5%, compared to the national rate of 64.4%.
In Clark County, 13.0% of residents aged 25 and older hold a bachelor's degree or higher, 61.4% below the national average of 33.7%. Health insurance coverage stands at 77.5% of the population. The average commute time for workers is 24.0 min.
Clark County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 90.5% of the population, followed by Hispanic or Latino (6.4%) and Two or More Races (2.1%).
All data for Clark 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.