Portage County's estimated 2026 population is 73,198 with a growth rate of 0.8% in the past year according to the most recent United States census data. Portage County is the 23rd largest county in Wisconsin. The 2010 population was 70,025 and has seen a growth of 4.53% since that time.
Data after 2023 is projected based on recent change
The racial composition of Portage County includes 90.54% White, and smaller percentages for Asian, other race, Black or African American, Native American and multiracial populations.
White (90.54%)
Two or more races (3.81%)
Asian (2.83%)
Other race (1.75%)
Black or African American (0.82%)
Native American (0.23%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 63,719 | 90.54% |
| Two or more races | 2,684 | 3.81% |
| Asian | 1,993 | 2.83% |
| Other race | 1,235 | 1.75% |
| Black or African American | 579 | 0.82% |
| Native American | 165 | 0.23% |
Married
Widowed
Divorced
Separated
Never Married
Portage County's average per capita income is $49,716. Household income levels show a median of $73,284. The poverty rate stands at 10.22%.
Name | Median | Mean |
|---|---|---|
| Married Families | $107,403 | $124,651 |
| Families | $96,678 | $113,848 |
| Households | $73,284 | $92,252 |
| Non Families | $42,721 | $56,098 |
Average Income
Median Household Income
Poverty Rate