Winnebago County, Wisconsin

WI · FIPS 55139 Republican

Located in Wisconsin, Winnebago County has a population of 171,769 residents and a median age of 38.7 years, making it the #398 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 11.3%. The median home value is $225,800, and the median household income is $74,925, which is 0% below the national median.

171,769
Population
#398 of 3,222
$74,925
Median Income
-0.3% #846 of 3,222
38.7 years
Median Age
-0.5% #2,453 of 3,222
11.3%
Poverty Rate
-10.1% #1,098 of 3,222

Demographics

Winnebago County has a population of 171,769, making it the #398 most populous county in the US. The median age is 38.7 years, which is 0.5% below the national median.

Population Trend

Rankings →

Year-over-Year Population Growth

Age & Sex Distribution

Race & Ethnicity

Nativity

96.5%
Native Born
3.5%
Foreign Born

Geographic Mobility (Past Year)

Economy

The median household income in Winnebago County is $74,925, ranking #846 out of 3,222 counties — 0.3% below the national median. The poverty rate is 11.3% and unemployment stands at 2.2%.

Income#846
$74,925
-0.3%
vs nation
74th percentile
Per Capita#728
$40,938
-0.8%
vs nation
77th percentile
Poverty#1,098
11.3%
-10.1%
vs nation
66th percentile
Unemployment#331
2.2%
-58.9%
vs nation
90th percentile

Income Distribution

Industry of Employment

Occupation

Housing

The median home value in Winnebago County is $225,800 (-19.9% vs national). Renters pay a median of $965/mo and the homeownership rate is 65.8%.

Home Value#1,125
$225,800
-19.9%
vs nation
65th percentile
Rent#1,123
$965
-17.0%
vs nation
65th percentile
Homeownership#2,684
65.8%
+2.1%
vs nation
17th percentile

Household Type

Education

In Winnebago County, 31.1% of adults age 25+ hold a bachelor's degree or higher, which is 7.7% below the national average, ranking #691 out of 3,222 counties.

Bachelor's Degree or Higher
31.1% −7.7% vs nation
Rank #691 of 3,222
79th percentile

Bachelor's Degree or Higher Trend

Rankings →

Health & Wellbeing

Life expectancy in Winnebago County is 77.9 years. 14.8% of adults report poor or fair health and 5.7% lack health insurance. Data from County Health Rankings (2025).

Life Expectancy#654
77.9
+3.7%
vs nation
79th percentile
Poor/Fair Health#501
14.8%
-24.3%
vs nation
84th percentile
Diabetes#388
8.7%
-21.8%
vs nation
88th percentile
Insufficient Sleep#462
32.7%
-12.3%
vs nation
85th percentile
Poor Mental Health Days#1,412
5.6
-1.5%
vs nation
55th percentile
Poor Physical Health Days#668
3.9
-13.0%
vs nation
79th percentile
Uninsured Rate#351
5.7%
-45.6%
vs nation
89th percentile
Physical Inactivity#465
21.0%
-20.4%
vs nation
85th percentile
Food Insecurity#411
10.5%
-27.1%
vs nation
87th percentile

Substance Use

17.3% of adults in Winnebago County smoke , 39.6% are obese , and 24.6% report excessive drinking. The drug overdose death rate is 22.8 per 100,000.

Adult Smoking#1,427
17.3%
-3.7%
vs nation
55th percentile
Adult Obesity#1,955
39.6%
+4.5%
vs nation
38th percentile
Excessive Drinking#2,966
24.6%
+23.7%
vs nation
6th percentile
Drug Overdose Deaths#746
22.8
-29.6%
vs nation
65th percentile

Safety

The homicide rate in Winnebago County is 2.3 per 100,000 and the suicide rate is 14.9 per 100,000. Motor vehicle deaths occur at a rate of 7.3 per 100,000.

Homicide Rate#154
2.3
-71.8%
vs nation
90th percentile
Suicide Rate#724
14.9
-24.7%
vs nation
72th percentile
Firearm Fatalities#330
9.3
-47.7%
vs nation
87th percentile
Motor Vehicle Deaths#123
7.3
-63.7%
vs nation
96th percentile

Families & Children

11.4% of children in Winnebago County live in poverty and the infant mortality rate is 5.8 per 1,000 live births. The teen birth rate is 9.0 per 1,000 females age 15–19.

Infant Mortality#517
5.8
-14.3%
vs nation
62th percentile
Teen Birth Rate#337
9.0
-59.0%
vs nation
89th percentile
Child Poverty#513
11.4%
-40.0%
vs nation
84th percentile

Civic & Transportation

Voter turnout in Winnebago County is 70.5%. The mean commute time is 21.2 min, which is 23.1% below the national average.

Voter Turnout
70.5% NaN% vs nation
Rank #NaN of NaN
th percentile

Voter Turnout Trend

Mean Commute Time
21.2 min −23.1% vs nation
Rank #2,668 of 3,222
17th percentile

Mean Commute Time Trend

Rankings →

Elections

In the 2024 presidential election, Winnebago County voted Republican with a margin of 4.8%. The vote was 46.9% Dem / 51.7% Rep. Compared to 2020, the margin shifted 0.9 toward Republicans .

2024 REP +4.8%
46.9% 51.7%
Dem 95,166 votes Rep
2020 REP +3.9%
46.9% 50.8%
Dem 94,032 votes Rep
2016 REP +7.5%
43.1% 50.6%
Dem 85,892 votes Rep
2012 DEM +3.7%
51.1% 47.4%
Dem 88,814 votes Rep
2008 DEM +11.6%
54.9% 43.3%
Dem 87,677 votes Rep

Vote Share Over Time

About Winnebago County, Wisconsin

Winnebago County, Wisconsin has a total population of 171,769, making it the 398th most populous county in the United States. The median age in Winnebago County is 38.7 years, which is 0.5% below the national median of 38.9 years.

The median household income in Winnebago County is $74,925, which ranks #846 of 3,222 counties nationwide. This is 0.3% below the national median of $75,149. The poverty rate is 11.3%, lower than the national rate of 12.6%. The unemployment rate stands at 2.2%.

The median home value in Winnebago County is $225,800, 19.9% below the national median. Renters in Winnebago County pay a median gross rent of $965 per month. The homeownership rate is 65.8%, compared to the national rate of 64.4%.

In Winnebago County, 31.1% of residents aged 25 and older hold a bachelor's degree or higher, 7.7% below the national average of 33.7%. Health insurance coverage stands at 95.5% of the population. The average commute time for workers is 21.2 min.

Winnebago County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 84.9% of the population, followed by Hispanic or Latino (5.1%) and Two or More Races (3.4%).

All data for Winnebago 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.