Fayetteville is located in St. Clair County, Illinois. Fayetteville has a 2025 population of 1,468. Fayetteville is currently declining at a rate of -0.68% annually and its population has decreased by -3.86% since the most recent census, which recorded a population of 1,527 in 2020.
The average household income in Fayetteville is $98,406 with a poverty rate of 5.68%. The median age in Fayetteville is 41.4 years: 50.2 years for males, and 36.5 years for females.
Data after 2023 is projected based on recent change
The racial composition of Fayetteville includes 98.8% White, and smaller percentages for Two or more races, other race and multiracial populations.
White (98.8%)
Two or more races (0.7%)
Other race (0.5%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 1,641 | 98.8% |
| Two or more races | 12 | 0.72% |
| Other race | 8 | 0.48% |
Married
Widowed
Divorced
Separated
Never Married
Fayetteville's average per capita income is $61,202. Household income levels show a median of $96,030. The poverty rate stands at 5.68%.
Name | Median | Mean |
|---|---|---|
| Married Families | $97,145 | - |
| Families | $96,115 | $104,023 |
| Households | $96,030 | $98,406 |
| Non Families | $68,897 | $77,990 |
Average Income
Median Household Income
Poverty Rate