Perry County's 2026 population is estimated at 19,818, reflecting a -1.13% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Perry County is the 58th largest county in Illinois. The 2010 population was 22,316 and has grown -11.19% since 2010.
Data after 2023 is projected based on recent change
Overall: 42 years
Female: 44.7 years
Male: 40.1 years
There are 16,660 adults, (4,185 of whom are seniors) in Perry County.
Female: 9,228 (44.7%)
Male: 11,411 (55.3%)
The racial composition of Perry County includes 85.49% White, 7.62% Black or African American, and smaller percentages for other race, Asian, Native American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 17,644 | 85.49% |
| Black or African American | 1,573 | 7.62% |
| Two or more races | 1,030 | 4.99% |
| Other race | 308 | 1.49% |
| Asian | 74 | 0.36% |
| Native American | 10 | 0.05% |
Perry County 's average per capita income is $45,115. Household income levels show a median of $62,118. The poverty rate stands at 16.94%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $89,507 | $104,096 |
| Families | $78,584 | $93,574 |
| Households | $62,118 | $79,245 |
| Non Families | $35,497 | $48,363 |
Average Income
Median Household Income
Poverty Rate