Stephenson County, Illinois
Population estimates, July 1, 2025, (V2025) 43,220
People
Population
Population estimates, July 1, 2025, (V2025) 43,220
Population estimates, July 1, 2024, (V2024) 43,088
Population estimates base, April 1, 2020, (V2025) 44,696
Population estimates base, April 1, 2020, (V2024) 44,700
Population, percent change - April 1, 2020 (estimates base) to July 1, 2025, (V2025) -3.3%
Population, percent change - April 1, 2020 (estimates base) to July 1, 2024, (V2024) -3.6%
Population, Census, April 1, 2020 44,630
Population, Census, April 1, 2010 47,711
Age and Sex
Persons under 5 years, percent 5.1%
Persons under 18 years, percent 20.8%
Persons 65 years and over, percent 25.1%
Female persons, percent 51.0%
Race and Hispanic Origin
White alone, percent 84.4%
Black alone, percent(a) 10.3%
American Indian and Alaska Native alone, percent(a) 0.4%
Asian alone, percent(a) 1.0%
Native Hawaiian and Other Pacific Islander alone, percent(a) 0.1%
Two or More Races, percent 3.9%
Hispanic or Latino, percent(b) 6.2%
White alone, not Hispanic or Latino, percent 79.3%
Population Characteristics
Veterans, 2020-2024 2,567
Foreign-born persons, percent, 2020-2024 2.6%
Housing
Housing Units, July 1, 2025, (V2025) 21,274
Owner-occupied housing unit rate, 2020-2024 70.9%
Median value of owner-occupied housing units, 2020-2024 $134,900
Median selected monthly owner costs - with a mortgage, 2020-2024 $1,312
Median selected monthly owner costs - without a mortage, 2020-2024 $603
Median gross rent, 2020-2024 $798
Building Permits, 2025 14
Families & Living Arrangements
Households, 2020-2024 19,358
Persons per household, 2020-2024 2.22
Living in the same house 1 year ago, percent of persons age 1 year+ , 2020-2024 87.6%
Language other than English spoken at home, percent of persons age 5 years+, 2020-2024 3.8%
Computer and Internet Use
Households with a computer, percent, 2020-2024 91.7%
Households with a broadband Internet subscription, percent, 2020-2024 86.5%
Education
High school graduate or higher, percent of persons age 25 years+, 2020-2024 92.6%
Bachelor's degree or higher, percent of persons age 25 years+, 2020-2024 20.7%
Health
With a disability, under age 65 years, percent, 2020-2024 10.8%
Persons without health insurance, under age 65 years, percent 5.9%
Economy
In civilian labor force, total, percent of population age 16 years+, 2020-2024 60.2%
In civilian labor force, female, percent of population age 16 years+, 2020-2024 56.5%
Total accommodation and food services sales, 2022 ($1,000)(c) 82,857
Total health care and social assistance receipts/revenue, 2022 ($1,000)(c) 339,834
Total transportation and warehousing receipts/revenue, 2022 ($1,000)(c) 74,193
Total retail sales, 2022 ($1,000)(c) 639,559
Total retail sales per capita, 2022(c) $14,684
Transportation
Mean travel time to work (minutes), workers age 16 years+, 2020-2024 20.7
Income & Poverty
Median households income (in 2024 dollars), 2020-2024 $64,043
Per capita income in past 12 months (in 2024 dollars), 2020-2024 $35,305
Persons in poverty, percent 14.1%
Businesses
Businesses
Total employer establishments, 2023 1,003
Total employment, 2023 15,626
Total annual payroll, 2023 ($1,000) 899,844
Total employment, percent change, 2022-2023 5.7%
Total nonemployer establishments, 2023 2,719
All employer firms, Reference year 2023 662
Male-owned employer firms, Reference year 2023 364
Female-owned employer firms, Reference year 2023 106
Minority-owned employer firms, Reference year 2023 S
Nonminority-owned employer firms, Reference year 2023 455
Veteran-owned employer firms, Reference year 2023 S
Nonveteran-owned employer firms, Reference year 2023 540
Geography
Geography
Population per square mile, 2020 79.1
Population per square mile, 2010 84.5
Land area in square miles, 2020 564.25
Land area in square miles, 2010 564.52
FIPS Code 17177