Tool
Compare places
Put up to four U.S. cities, towns or census-designated places side by side on 29 figures: 22 measures from the ACS 2020-2024 5-year estimates, each with its margin, and their 2025 population estimate, growth, density, new homes and housing costs against income. A filled square marks a figure that differs from the first place by more than both margins of error allow; without it, the survey cannot tell the two apart.
How do Harlem, IL compare?
| Figure | Harlem, IL |
|---|---|
| Residents, July 2025 (estimate) | 39,287 |
| Change since April 2020 | +0.1% |
| Residents counted in the 2020 Census | 39,247 |
| Residents per square mile (2020) | 1,201 |
| Homes permitted in 2025 per 1,000 residents | – |
| Median home value ÷ median household income | 2.3 years of income |
| A year of median rent ÷ median income of all households (renters usually earn less) | 17.7% |
| Measure | Harlem, IL |
|---|---|
| Total population | 39,116±63 |
| Median age | 40.1±2.1 |
| Hispanic or Latino (any race) | 8.8%±1.4 pts |
| White alone, not Hispanic | 78.5%±2.3 pts |
| Black or African American alone, not Hispanic | 3.2%±1.1 pts |
| Asian alone, not Hispanic | 2.8%±1.0 pts |
| Born outside the United States | 6.3%±1.2 pts |
| Bachelor's degree or higher (age 25+) | 25.1%±2.4 pts |
| Median household income | $77,883±$3,110 |
| Per capita income | $38,853±$2,499 |
| People below the poverty line | 11.0%±2.0 pts |
| Unemployment rate | 6.5%±1.6 pts |
| Median home value (owner-occupied) | $181,900±$7,472 |
| Median gross rent | $1,150±$35 |
| Renters paying 35% or more of income on rent | 27.9%±7.0 pts |
| Owner-occupied homes | 76.6%±2.5 pts |
| Built 2020 or later | 1.2%±0.7 pts |
| Worked from home | 9.3%±1.8 pts |
| Drove alone to work | 81.1%±2.5 pts |
| Public transportation | 0.1%±0.1 pts |
| Mean travel time to work | 22.5 min±1.5 |
| No health insurance coverage | 5.5%±1.2 pts |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); Census Bureau population estimates, Vintage 2025; 2020 Census; Building Permits Survey 2025 · Check it at data.census.gov