Lee County's estimated 2026 population is 32,977 with a growth rate of 0.19% in the past year according to the most recent United States census data. Lee County is the 44th largest county in Illinois. The 2010 population was 35,978 and has seen a growth of -8.34% since that time.
Data after 2023 is projected based on recent change
Overall: 43.1 years
Female: 44.4 years
Male: 42.4 years
There are 27,214 adults, (7,227 of whom are seniors) in Lee County.
Female: 15,947 (47.1%)
Male: 17,922 (52.9%)
The racial composition of Lee County includes 85.8% White, 5.31% 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 | 29,059 | 85.8% |
| Two or more races | 2,306 | 6.81% |
| Black or African American | 1,798 | 5.31% |
| Other race | 414 | 1.22% |
| Asian | 243 | 0.72% |
| Native American | 37 | 0.11% |
| Native Hawaiian or Pacific Islander | 12 | 0.04% |
Lee County's average per capita income is $47,743. Household income levels show a median of $70,292. The poverty rate stands at 11.82%.
Name | Median | Mean |
|---|---|---|
| Married Families | $105,819 | $126,805 |
| Families | $88,313 | $108,540 |
| Households | $70,292 | $90,634 |
| Non Families | $38,923 | $53,902 |
Average Income
Median Household Income
Poverty Rate
