Kewanee is a city located in Henry County, Illinois. Kewanee has a 2025 population of 12,065 . Kewanee is currently declining at a rate of -0.67% annually and its population has decreased by -3.23% since the most recent census, which recorded a population of 12,468 in 2020.
The average household income in Kewanee is $61,713 with a poverty rate of 15.13%. The median age in Kewanee is 43.6 years: 44.1 years for males, and 42.8 years for females. For every 100 females there are 99.2 males.
Data after 2023 is projected based on recent change
The racial composition of Kewanee includes 80.2% White, 7.28% other race, 7.14% Black or African American, and smaller percentages for Asian, Native American and multiracial populations.
White (80.2%)
Other race (7.28%)
Black or African American (7.14%)
Two or more races (5.25%)
Asian (0.12%)
Native American (0.01%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 9,848 | 80.2% |
| Other race | 894 | 7.28% |
| Black or African American | 877 | 7.14% |
| Two or more races | 645 | 5.25% |
| Asian | 15 | 0.12% |
| Native American | 1 | 0.01% |
Married
Widowed
Divorced
Separated
Never Married
Kewanee's average per capita income is $39,494. Household income levels show a median of $49,668. The poverty rate stands at 15.13%.
Name | Median | Mean |
|---|---|---|
| Married Families | $72,000 | - |
| Families | $58,856 | $74,752 |
| Households | $49,668 | $61,713 |
| Non Families | $27,558 | $38,115 |
Average Income
Median Household Income
Poverty Rate