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 Waterloo, IL compare?

Population, growth, density, new homes and housing costs against income (Census Bureau estimates Vintage 2025, 2020 Census, Building Permits Survey 2025, ACS 2020-2024 5-year estimates)
FigureWaterloo, IL
Residents, July 2025 (estimate)11,132
Change since April 2020+1.2%
Residents counted in the 2020 Census11,013
Residents per square mile (2020)1,329
Homes permitted in 2025 per 1,000 residents3.2
Median home value ÷ median household income2.5 years of income
A year of median rent ÷ median income of all households (renters usually earn less)10.8%
ACS 2020-2024 5-year estimates. ■ differs from Waterloo beyond the margins of error.
MeasureWaterloo, IL
Total population11,129±38
Median age41.5±2.6
Hispanic or Latino (any race)1.8%±1.5 pts
White alone, not Hispanic94.1%±2.0 pts
Black or African American alone, not Hispanic1.0%±0.6 pts
Asian alone, not Hispanic1.7%±0.6 pts
Born outside the United States2.7%±1.1 pts
Bachelor's degree or higher (age 25+)37.3%±3.8 pts
Median household income$98,711±$12,639
Per capita income$47,421±$3,857
People below the poverty line5.9%±2.0 pts
Unemployment rate2.3%±1.9 pts
Median home value (owner-occupied)$249,500±$17,511
Median gross rent$886±$118
Renters paying 35% or more of income on rent42.4%±12.9 pts
Owner-occupied homes78.2%±4.3 pts
Built 2020 or later0.4%±0.6 pts
Worked from home12.9%±4.3 pts
Drove alone to work77.4%±4.8 pts
Public transportation0.0%±0.2 pts
Mean travel time to work26.8 min±2.0
No health insurance coverage3.4%±1.1 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