Oconto County's 2026 population is estimated at 40,629, reflecting a 0.73% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Oconto County is the 38th largest county in Wisconsin. The 2010 population was 37,714 and has grown 7.73% since 2010.
Data after 2023 is projected based on recent change
Overall: 47.5 years
Female: 47.7 years
Male: 47.2 years
There are 31,800 adults, (8,975 of whom are seniors) in Oconto County.
Female: 19,146 (48.4%)
Male: 20,443 (51.6%)
The racial composition of Oconto County includes 93.5% White, and smaller percentages for Native American, other race, Asian, Black or African American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 37,016 | 93.5% |
| Two or more races | 1,631 | 4.12% |
| Native American | 539 | 1.36% |
| Other race | 206 | 0.52% |
| Asian | 140 | 0.35% |
| Black or African American | 57 | 0.14% |
Oconto County 's average per capita income is $52,262. Household income levels show a median of $75,049. The poverty rate stands at 8.2%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $104,446 | $117,050 |
| Families | $94,355 | $108,608 |
| Households | $75,049 | $92,497 |
| Non Families | $41,724 | $53,011 |
Average Income
Median Household Income
Poverty Rate
