Logan County's 2026 population is estimated at 27,538, reflecting a 0.04% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Logan County is the 48th largest county in Illinois. The 2010 population was 30,282 and has grown -9.06% since 2010.
Data after 2023 is projected based on recent change
Overall: 41.1 years
Female: 41.5 years
Male: 40.1 years
There are 22,375 adults, (5,409 of whom are seniors) in Logan County.
Female: 14,220 (51.3%)
Male: 13,493 (48.7%)
The racial composition of Logan County includes 87.09% White, 5.38% Black or African American, and smaller percentages for other race, Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 24,136 | 87.09% |
| Two or more races | 1,761 | 6.35% |
| Black or African American | 1,492 | 5.38% |
| Other race | 172 | 0.62% |
| Asian | 130 | 0.47% |
| Native American | 18 | 0.06% |
| Native Hawaiian or Pacific Islander | 4 | 0.01% |
Logan County 's average per capita income is $47,750. Household income levels show a median of $66,358. The poverty rate stands at 13.13%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $105,205 | - |
| Families | $88,157 | $102,168 |
| Households | $66,358 | $84,267 |
| Non Families | $41,120 | $49,953 |
Average Income
Median Household Income
Poverty Rate
