Kosciusko County's 2026 population is estimated at 81,125, reflecting a 0.28% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Kosciusko County is the 23rd largest county in Indiana. The 2010 population was 77,338 and has grown 4.9% since 2010.
Data after 2023 is projected based on recent change
Overall: 39.1 years
Female: 39.6 years
Male: 38.9 years
There are 61,513 adults, (14,541 of whom are seniors) in Kosciusko County.
Female: 40,155 (49.9%)
Male: 40,287 (50.1%)
The racial composition of Kosciusko County includes 86.9% White, 3.91% other race, and smaller percentages for Asian, Black or African American, Native American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 69,905 | 86.9% |
| Two or more races | 5,773 | 7.18% |
| Other race | 3,143 | 3.91% |
| Asian | 1,119 | 1.39% |
| Black or African American | 472 | 0.59% |
| Native American | 30 | 0.04% |
Kosciusko County 's average per capita income is $50,613. Household income levels show a median of $75,317. The poverty rate stands at 9.85%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $102,143 | $118,492 |
| Families | $94,048 | $108,147 |
| Households | $75,317 | $91,954 |
| Non Families | $42,617 | $53,203 |
Average Income
Median Household Income
Poverty Rate