Winnebago County's estimated 2026 population is 175,142 with a growth rate of 0.53% in the past year according to the most recent United States census data. Winnebago County is the 7th largest county in Wisconsin. The 2010 population was 167,144 and has seen a growth of 4.79% since that time.
Data after 2023 is projected based on recent change
Overall: 38.7 years
Female: 39.7 years
Male: 38 years
There are 137,075 adults, (29,894 of whom are seniors) in Winnebago County.
Female: 84,530 (49.2%)
Male: 87,239 (50.8%)
The racial composition of Winnebago County includes 86.53% White, 3.24% Asian, and smaller percentages for Black or African American, other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 148,625 | 86.53% |
| Two or more races | 9,872 | 5.75% |
| Asian | 5,561 | 3.24% |
| Black or African American | 4,785 | 2.79% |
| Other race | 2,203 | 1.28% |
| Native American | 657 | 0.38% |
| Native Hawaiian or Pacific Islander | 66 | 0.04% |
Winnebago County's average per capita income is $52,426. Household income levels show a median of $74,925. The poverty rate stands at 11.33%.
Name | Median | Mean |
|---|---|---|
| Married Families | $111,227 | $133,420 |
| Families | $98,264 | $117,546 |
| Households | $74,925 | $94,286 |
| Non Families | $47,617 | $58,988 |
Average Income
Median Household Income
Poverty Rate
