Manitowoc County's 2026 population is estimated at 81,889, reflecting a 0.23% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Manitowoc County is the 21st largest county in Wisconsin. The 2010 population was 81,330 and has grown 0.69% since 2010.
Data after 2023 is projected based on recent change
Overall: 45.1 years
Female: 46.3 years
Male: 43.8 years
There are 64,914 adults, (18,118 of whom are seniors) in Manitowoc County.
Female: 40,327 (49.5%)
Male: 41,079 (50.5%)
The racial composition of Manitowoc County includes 88.34% White, and smaller percentages for Asian, other race, Black or African American, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 71,911 | 88.34% |
| Two or more races | 5,324 | 6.54% |
| Asian | 1,964 | 2.41% |
| Other race | 1,325 | 1.63% |
| Black or African American | 620 | 0.76% |
| Native American | 172 | 0.21% |
| Native Hawaiian or Pacific Islander | 90 | 0.11% |
Manitowoc County 's average per capita income is $49,106. Household income levels show a median of $69,148. The poverty rate stands at 9.55%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $97,393 | $116,555 |
| Families | $87,509 | $105,356 |
| Households | $69,148 | $87,528 |
| Non Families | $42,307 | $52,622 |
Average Income
Median Household Income
Poverty Rate