Jasper County's 2026 population is estimated at 8,964, reflecting a -0.71% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Jasper County is the 88th largest county in Illinois. The 2010 population was 9,725 and has grown -7.83% since 2010.
Data after 2023 is projected based on recent change
Overall: 44.3 years
Female: 44.8 years
Male: 43.6 years
There are 7,111 adults, (1,926 of whom are seniors) in Jasper County.
Female: 4,503 (49.1%)
Male: 4,677 (50.9%)
The racial composition of Jasper County includes 96.86% White, and smaller percentages for Two or more races, other race, Asian, Black or African American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 8,892 | 96.86% |
| Two or more races | 221 | 2.41% |
| Other race | 45 | 0.49% |
| Asian | 12 | 0.13% |
| Black or African American | 7 | 0.08% |
| Native Hawaiian or Pacific Islander | 3 | 0.03% |
Jasper County 's average per capita income is $47,562. Household income levels show a median of $74,755. The poverty rate stands at 11.06%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $107,244 | - |
| Families | $93,722 | $105,196 |
| Households | $74,755 | $89,165 |
| Non Families | $38,387 | $47,043 |
Average Income
Median Household Income
Poverty Rate
