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 Rochester, IL compare?
| Figure | Rochester, IL |
|---|---|
| Residents, July 2025 (estimate) | 4,093 |
| Change since April 2020 | +5.9% |
| Residents counted in the 2020 Census | 3,863 |
| Residents per square mile (2020) | 1,440 |
| Homes permitted in 2025 per 1,000 residents | 1.2 |
| Median home value ÷ median household income | 2.0 years of income |
| A year of median rent ÷ median income of all households (renters usually earn less) | 13.2% |
| Measure | Rochester, IL |
|---|---|
| Total population | 3,766±359 |
| Median age | 39.8±6.0 |
| Hispanic or Latino (any race) | 1.0%±1.1 pts |
| White alone, not Hispanic | 91.6%±4.5 pts |
| Black or African American alone, not Hispanic | 1.5%±1.7 pts |
| Asian alone, not Hispanic | 2.1%±1.9 pts |
| Born outside the United States | 0.6%±0.9 pts |
| Bachelor's degree or higher (age 25+) | 47.9%±7.5 pts |
| Median household income | $117,118±$10,859 |
| Per capita income | $47,762±$5,195 |
| People below the poverty line | 2.5%±2.2 pts |
| Unemployment rate | 2.9%±2.9 pts |
| Median home value (owner-occupied) | $238,900±$14,884 |
| Median gross rent | $1,288±$448 |
| Renters paying 35% or more of income on rent | 30.5%±25.5 pts |
| Owner-occupied homes | 93.3%±3.1 pts |
| Built 2020 or later | 3.2%±2.8 pts |
| Worked from home | 19.1%±5.3 pts |
| Drove alone to work | 72.3%±6.4 pts |
| Public transportation | 0.0%±2.1 pts |
| Mean travel time to work | 22.8 min±3.7 |
| No health insurance coverage | 1.5%±1.3 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