Jefferson County's estimated 2026 population is 33,494 with a growth rate of 0.65% in the past year according to the most recent United States census data. Jefferson County is the 50th largest county in Indiana. The 2010 population was 32,399 and has seen a growth of 3.38% since that time.
Data after 2023 is projected based on recent change
Overall: 41.8 years
Female: 42.2 years
Male: 41.5 years
There are 26,419 adults, (6,340 of whom are seniors) in Jefferson County.
Female: 17,138 (51.9%)
Male: 15,860 (48.1%)
The racial composition of Jefferson County includes 92.3% White, and smaller percentages for other race, Black or African American, Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 30,457 | 92.3% |
| Two or more races | 1,356 | 4.11% |
| Other race | 501 | 1.52% |
| Black or African American | 343 | 1.04% |
| Asian | 270 | 0.82% |
| Native American | 60 | 0.18% |
| Native Hawaiian or Pacific Islander | 11 | 0.03% |
Jefferson County's average per capita income is $45,061. Household income levels show a median of $64,577. The poverty rate stands at 12.34%.
Name | Median | Mean |
|---|---|---|
| Married Families | $95,498 | $111,198 |
| Families | $79,406 | $97,045 |
| Households | $64,577 | $82,160 |
| Non Families | $38,914 | $48,375 |
Average Income
Median Household Income
Poverty Rate