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 Monmouth, IL compare?
| Figure | Monmouth, IL |
|---|---|
| Residents, July 2025 (estimate) | 8,599 |
| Change since April 2020 | −3.7% |
| Residents counted in the 2020 Census | 8,902 |
| Residents per square mile (2020) | 2,098 |
| Homes permitted in 2025 per 1,000 residents | 0.0 |
| Median home value ÷ median household income | 1.4 years of income |
| A year of median rent ÷ median income of all households (renters usually earn less) | 14.4% |
| Measure | Monmouth, IL |
|---|---|
| Total population | 8,581±285 |
| Median age | 34.1±1.5 |
| Hispanic or Latino (any race) | 18.1%±1.4 pts |
| White alone, not Hispanic | 70.4%±2.2 pts |
| Black or African American alone, not Hispanic | 4.5%±1.6 pts |
| Asian alone, not Hispanic | 4.1%±1.0 pts |
| Born outside the United States | 10.5%±1.9 pts |
| Bachelor's degree or higher (age 25+) | 18.3%±3.5 pts |
| Median household income | $61,138±$7,127 |
| Per capita income | $29,501±$3,382 |
| People below the poverty line | 17.7%±4.2 pts |
| Unemployment rate | 3.6%±2.2 pts |
| Median home value (owner-occupied) | $86,800±$6,933 |
| Median gross rent | $733±$68 |
| Renters paying 35% or more of income on rent | 26.4%±11.0 pts |
| Owner-occupied homes | 66.3%±5.2 pts |
| Built 2020 or later | 0.9%±1.3 pts |
| Worked from home | 7.5%±2.3 pts |
| Drove alone to work | 75.0%±4.8 pts |
| Public transportation | 1.3%±1.3 pts |
| Mean travel time to work | 15.5 min±2.4 |
| No health insurance coverage | 5.5%±2.5 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