Lafayette County, Wisconsin
Located in Wisconsin, Lafayette County has a population of 16,942 residents and a median age of 40.8 years, making it the #2,040 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 11.9%. The median home value is $194,500, and the median household income is $76,462, which is 2% above the national median.
Demographics
Lafayette County has a population of 16,942, making it the #2,040 most populous county in the US. The median age is 40.8 years, which is 4.9% 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 Lafayette County is $76,462, ranking #752 out of 3,222 counties — 1.7% above the national median. The poverty rate is 11.9% and unemployment stands at 2.9%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Lafayette County is $194,500 (-31.0% vs national). Renters pay a median of $830/mo and the homeownership rate is 80.2%.
Median Home Value Trend
Rankings →Household Type
Education
In Lafayette County, 22.6% of adults age 25+ hold a bachelor's degree or higher, which is 32.8% below the national average, ranking #1,557 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Lafayette County is 79.4 years. 16.1% of adults report poor or fair health and 10.4% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
17.1% of adults in Lafayette County smoke , 39.5% are obese , and 24.7% report excessive drinking.
Adult Smoking Trend
Safety
The suicide rate is 15.3 per 100,000. Motor vehicle deaths occur at a rate of 18.8 per 100,000.
Suicide Rate Trend
Families & Children
13.7% of children in Lafayette County live in poverty . The teen birth rate is 10.9 per 1,000 females age 15–19.
Teen Birth Rate Trend
Civic & Transportation
Voter turnout in Lafayette County is 69.4%. The mean commute time is 27.1 min, which is 1.9% below the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Lafayette County voted Republican with a margin of 20.2%. The vote was 39.3% Dem / 59.5% Rep. Compared to 2020, the margin shifted 6.4 toward Republicans .
Vote Share Over Time
About Lafayette County, Wisconsin
Lafayette County, Wisconsin has a total population of 16,942, making it the 2,040th most populous county in the United States. The median age in Lafayette County is 40.8 years, which is 4.9% above the national median of 38.9 years.
The median household income in Lafayette County is $76,462, which ranks #752 of 3,222 counties nationwide. This is 1.7% above the national median of $75,149. The poverty rate is 11.9%, lower than the national rate of 12.6%. The unemployment rate stands at 2.9%.
The median home value in Lafayette County is $194,500, 31.0% below the national median. Renters in Lafayette County pay a median gross rent of $830 per month. The homeownership rate is 80.2%, compared to the national rate of 64.4%.
In Lafayette County, 22.6% of residents aged 25 and older hold a bachelor's degree or higher, 32.8% below the national average of 33.7%. Health insurance coverage stands at 89.5% of the population. The average commute time for workers is 27.1 min.
Lafayette County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 89.7% of the population, followed by Hispanic or Latino (7.1%) and Two or More Races (1.8%).
All data for Lafayette 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.