Saline County's 2026 population is estimated at 22,502, reflecting a -0.71% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Saline County is the 52nd largest county in Illinois. The 2010 population was 24,900 and has grown -9.63% since 2010.
Data after 2023 is projected based on recent change
Overall: 43.8 years
Female: 45.7 years
Male: 42.2 years
There are 18,414 adults, (4,996 of whom are seniors) in Saline County.
Female: 11,709 (50.4%)
Male: 11,504 (49.6%)
The racial composition of Saline County includes 91.72% White, 3.1% Black or African American, and smaller percentages for Asian, other race, Native American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 21,292 | 91.72% |
| Two or more races | 925 | 3.98% |
| Black or African American | 719 | 3.1% |
| Asian | 127 | 0.55% |
| Other race | 126 | 0.54% |
| Native American | 24 | 0.1% |
Saline County 's average per capita income is $42,534. Household income levels show a median of $53,117. The poverty rate stands at 18.94%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $85,625 | - |
| Families | $71,084 | $101,965 |
| Households | $53,117 | $83,124 |
| Non Families | $29,778 | $51,749 |
Average Income
Median Household Income
Poverty Rate