Harlem township is located in Stephenson County, Illinois. Harlem township has a 2026 population of 1,924. Harlem township is currently declining at a rate of -0.57% annually and its population has decreased by -4.04% since the most recent census, which recorded a population of 2,005 in 2020.
The median household income in Harlem township is $95,000 with a poverty rate of 6.07%. The median age in Harlem township is 57.8 years: 57.2 years for males, and 59.2 years for females. For every 100 females there are 112.7 males.
Data after 2023 is projected based on recent change
Overall: 57.8 years
Female: 59.2 years
Male: 57.2 years
There are 1,766 adults, (695 of whom are seniors) in Harlem township.
Female: 937 (47%)
Male: 1,056 (53%)
The racial composition of Harlem township includes 90.07% White, 4.67% Black or African American, and smaller percentages for Two or more races, Asian, Native American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 1,795 | 90.07% |
| Black or African American | 93 | 4.67% |
| Two or more races | 58 | 2.91% |
| Asian | 43 | 2.16% |
| Native American | 4 | 0.2% |
Harlem township 's average per capita income is $56,354. Household income levels show a median of $95,000. The poverty rate stands at 6.07%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $116,563 | - |
| Families | $102,083 | $108,346 |
| Households | $95,000 | $102,812 |
| Non Families | $60,446 | $69,404 |
Average Income
Median Household Income
Poverty Rate