Knoxville is a city located in Knox County, Illinois. Knoxville has a 2026 population of 2,813. Knoxville is currently declining at a rate of -0.46% annually and its population has decreased by -2.8% since the most recent census, which recorded a population of 2,894 in 2020.
The median household income in Knoxville is $82,863 with a poverty rate of 7.16%. The median age in Knoxville is 42.6 years: 36.3 years for males, and 49.2 years for females. For every 100 females there are 82.9 males.
Data after 2023 is projected based on recent change
Overall: 42.6 years
Female: 49.2 years
Male: 36.3 years
There are 2,448 adults, (691 of whom are seniors) in Knoxville.
Female: 1,756 (54.7%)
Male: 1,455 (45.3%)
The racial composition of Knoxville includes 96.01% White, and smaller percentages for Black or African American, Asian and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 3,083 | 96.01% |
| Two or more races | 110 | 3.43% |
| Black or African American | 15 | 0.47% |
| Asian | 3 | 0.09% |
Knoxville 's average per capita income is $47,840. Household income levels show a median of $82,863. The poverty rate stands at 7.16%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $104,875 | - |
| Families | $103,156 | $106,294 |
| Households | $82,863 | $83,245 |
| Non Families | $31,250 | $40,517 |
Average Income
Median Household Income
Poverty Rate