Fayette County's 2026 population is estimated at 21,053, reflecting a -0.25% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Fayette County is the 55th largest county in Illinois. The 2010 population was 22,140 and has grown -4.91% since 2010.
Data after 2023 is projected based on recent change
Overall: 41.9 years
Female: 42 years
Male: 41.9 years
There are 16,960 adults, (4,164 of whom are seniors) in Fayette County.
Female: 10,217 (47.9%)
Male: 11,098 (52.1%)
The racial composition of Fayette County includes 88.84% White, 3.25% Black or African American, and smaller percentages for Native American, other race, Asian, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 18,936 | 88.84% |
| Two or more races | 1,506 | 7.07% |
| Black or African American | 692 | 3.25% |
| Native American | 71 | 0.33% |
| Other race | 65 | 0.3% |
| Asian | 33 | 0.15% |
| Native Hawaiian or Pacific Islander | 12 | 0.06% |
Fayette County 's average per capita income is $43,327. Household income levels show a median of $60,944. The poverty rate stands at 15.47%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $91,977 | - |
| Families | $78,264 | $99,114 |
| Households | $60,944 | $80,392 |
| Non Families | $35,078 | $44,600 |
Average Income
Median Household Income
Poverty Rate
