Jennings County's 2026 population is estimated at 27,674, reflecting a 0.07% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Jennings County is the 58th largest county in Indiana. The 2010 population was 28,482 and has grown -2.84% since 2010.
Data after 2023 is projected based on recent change
Overall: 40.3 years
Female: 40.1 years
Male: 40.4 years
There are 21,185 adults, (4,818 of whom are seniors) in Jennings County.
Female: 13,537 (49.1%)
Male: 14,025 (50.9%)
The racial composition of Jennings County includes 93.4% White, and smaller percentages for other race, Asian, Black or African American, Native American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 25,744 | 93.4% |
| Two or more races | 1,065 | 3.86% |
| Other race | 439 | 1.59% |
| Asian | 125 | 0.45% |
| Black or African American | 96 | 0.35% |
| Native American | 93 | 0.34% |
Jennings County 's average per capita income is $44,154. Household income levels show a median of $69,322. The poverty rate stands at 12.6%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $91,143 | - |
| Families | $77,934 | $89,963 |
| Households | $69,322 | $79,953 |
| Non Families | $37,031 | $47,300 |
Average Income
Median Household Income
Poverty Rate
