Waterloo city, Illinois
Population estimates, July 1, 2025, (V2025) 11,132
People
Population
Population estimates, July 1, 2025, (V2025) 11,132
Population estimates, July 1, 2024, (V2024) 11,165
Population estimates base, April 1, 2020, (V2025) 10,999
Population estimates base, April 1, 2020, (V2024) 11,013
Population, percent change - April 1, 2020 (estimates base) to July 1, 2025, (V2025) 1.2%
Population, percent change - April 1, 2020 (estimates base) to July 1, 2024, (V2024) 1.4%
Population, Census, April 1, 2020 11,013
Population, Census, April 1, 2010 9,811
Age and Sex
Persons under 5 years, percent 5.5%
Persons under 18 years, percent 21.9%
Persons 65 years and over, percent 20.6%
Female persons, percent 51.2%
Race and Hispanic Origin
White alone, percent 94.4%
Black alone, percent(a) 1.0%
American Indian and Alaska Native alone, percent(a) 0.1%
Asian alone, percent(a) 1.7%
Native Hawaiian and Other Pacific Islander alone, percent(a) 0.0%
Two or More Races, percent 2.3%
Hispanic or Latino, percent(b) 1.8%
White alone, not Hispanic or Latino, percent 94.1%
Population Characteristics
Veterans, 2020-2024 768
Foreign-born persons, percent, 2020-2024 2.7%
Housing
Housing Units, July 1, 2025, (V2025) X
Owner-occupied housing unit rate, 2020-2024 78.2%
Median value of owner-occupied housing units, 2020-2024 $249,500
Median selected monthly owner costs - with a mortgage, 2020-2024 $1,835
Median selected monthly owner costs - without a mortage, 2020-2024 $784
Median gross rent, 2020-2024 $886
Building Permits, 2025 X
Families & Living Arrangements
Households, 2020-2024 4,491
Persons per household, 2020-2024 2.43
Living in the same house 1 year ago, percent of persons age 1 year+ , 2020-2024 91.1%
Language other than English spoken at home, percent of persons age 5 years+, 2020-2024 2.6%
Computer and Internet Use
Households with a computer, percent, 2020-2024 96.1%
Households with a broadband Internet subscription, percent, 2020-2024 94.6%
Education
High school graduate or higher, percent of persons age 25 years+, 2020-2024 96.7%
Bachelor's degree or higher, percent of persons age 25 years+, 2020-2024 37.3%
Health
With a disability, under age 65 years, percent, 2020-2024 7.2%
Persons without health insurance, under age 65 years, percent 4.2%
Economy
In civilian labor force, total, percent of population age 16 years+, 2020-2024 66.4%
In civilian labor force, female, percent of population age 16 years+, 2020-2024 62.9%
Total accommodation and food services sales, 2022 ($1,000)(c) D
Total health care and social assistance receipts/revenue, 2022 ($1,000)(c) 33,105
Total transportation and warehousing receipts/revenue, 2022 ($1,000)(c) NA
Total retail sales, 2022 ($1,000)(c) 228,978
Total retail sales per capita, 2022(c) $20,595
Transportation
Mean travel time to work (minutes), workers age 16 years+, 2020-2024 26.8
Income & Poverty
Median households income (in 2024 dollars), 2020-2024 $98,711
Per capita income in past 12 months (in 2024 dollars), 2020-2024 $47,421
Persons in poverty, percent 5.9%
Businesses
Businesses
Total employer establishments, 2023 X
Total employment, 2023 X
Total annual payroll, 2023 ($1,000) X
Total employment, percent change, 2022-2023 X
Total nonemployer establishments, 2023 X
All employer firms, Reference year 2023 X
Male-owned employer firms, Reference year 2023 X
Female-owned employer firms, Reference year 2023 X
Minority-owned employer firms, Reference year 2023 X
Nonminority-owned employer firms, Reference year 2023 X
Veteran-owned employer firms, Reference year 2023 X
Nonveteran-owned employer firms, Reference year 2023 X
Geography
Geography
Population per square mile, 2020 1,354.3
Population per square mile, 2010 1,304.1
Land area in square miles, 2020 8.13
Land area in square miles, 2010 7.52
FIPS Code 1779150