Harlem Flag

Harlem

County Seat:
No
Area (mi²):
32.674
State:
Illinois

Harlem is located in Winnebago County, Illinois. Harlem has a 2025 population of 38,738. Harlem is currently declining at a rate of -0.13% annually and its population has decreased by -1.2% since the most recent census, which recorded a population of 39,209 in 2020.

The average household income in Harlem is $96,252 with a poverty rate of 11.71%The median age in Harlem is 40 years: 40.2 years for males, and 39.7 years for females.

38.7K
Total Population
1,186
Density (mi²)
-51 -0.13%
Growth

Harlem Population

Demographics

Economics and Income Statistics

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)