Jay County's 2026 population is estimated at 20,354, reflecting a 0.47% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Jay County is the 72nd largest county in Indiana. The 2010 population was 21,179 and has grown -3.9% since 2010.
Data after 2023 is projected based on recent change
Overall: 39.5 years
Female: 41.5 years
Male: 37.5 years
There are 15,044 adults, (3,700 of whom are seniors) in Jay County.
Female: 9,965 (49.3%)
Male: 10,264 (50.7%)
The racial composition of Jay County includes 93.52% White, and smaller percentages for other race, Black or African American, Native American, Asian and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 18,919 | 93.52% |
| Two or more races | 994 | 4.91% |
| Other race | 226 | 1.12% |
| Black or African American | 67 | 0.33% |
| Native American | 12 | 0.06% |
| Asian | 11 | 0.05% |
Jay County 's average per capita income is $40,765. Household income levels show a median of $54,969. The poverty rate stands at 14.38%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $86,610 | - |
| Families | $71,102 | $82,015 |
| Households | $54,969 | $70,491 |
| Non Families | $33,068 | $44,878 |
Average Income
Median Household Income
Poverty Rate
