Harlem township is located in Winnebago County, Illinois. Harlem township has a 2026 population of 39,795. Harlem township is currently growing at a rate of 0.65% annually and its population has increased by 1.49% since the most recent census, which recorded a population of 39,212 in 2020.
The median household income in Harlem township is $77,883 with a poverty rate of 11.02%. The median age in Harlem township is 40.1 years: 40.1 years for males, and 40.3 years for females. For every 100 females there are 93.0 males.
Data after 2023 is projected based on recent change
Overall: 40.1 years
Female: 40.3 years
Male: 40.1 years
There are 30,278 adults, (6,870 of whom are seniors) in Harlem township.
Female: 20,268 (51.8%)
Male: 18,848 (48.2%)
The racial composition of Harlem township includes 81.43% White, 3.29% Black or African American, and smaller percentages for Asian, other race, Native American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 31,852 | 81.43% |
| Two or more races | 3,638 | 9.3% |
| Black or African American | 1,286 | 3.29% |
| Asian | 1,114 | 2.85% |
| Other race | 1,075 | 2.75% |
| Native American | 151 | 0.39% |
Harlem township 's average per capita income is $52,175. Household income levels show a median of $77,883. The poverty rate stands at 11.02%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $108,514 | - |
| Families | $92,493 | $109,943 |
| Households | $77,883 | $98,828 |
| Non Families | $51,344 | $71,651 |
Average Income
Median Household Income
Poverty Rate