Belvidere, Illinois Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Belvidere, Illinois is 24,510 as of the 2023 American Community Survey, making it the 91st-largest city in Illinois. The median household income is $62,462, the median home value is $153,100, and the median age is 39.7.
The population has declined 1.1% since 2010 (25,609 → 25,325).
24,510
Population
1936
People / sq mi
$62,462
Median Income
$153,100
Median Home Value
Get Belvidere's next ACS population data
Subscribe for Population Review updates by email. No spam, unsubscribe anytime.
Belvidere covers 12.7 sq mi of land at 1936 people per square mile.
About Belvidere, IL
Educational attainment is the headline number in Belvidere: 13.2% of adults 25 and older have a four-year degree. Belvidere is a city in Illinois with a population of 24,510.
Earnings trail the nation, with the median household making $62,462, below the US median of $78,538. Roughly 10.9% of residents fall below the poverty line, below the national 12.4%. Homes are comparatively cheap — a median value of $153,100, with typical rent around $943.
Four-year-degree attainment is near the bottom of the range for US cities, 13.2%, below the national 35.0%. Most workers commute: only 7.2% work from home, below the national 14.0%, and the average commute runs about 25 minutes each way.
Belvidere city Population History (2010-2024)
The city of Belvidere city had a population of 25,609 in 2010 and 25,325 in 2024, a -1.1% growth over 14 years. The peak was 25,609 in 2010. Average annual growth rate: -0.08%.
25,325
Population (2024)
25,609
Population (2010)
25,609
Peak (2010)
-0.08%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 25,609 |
| 2011 | 25,584 |
| 2012 | 25,370 |
| 2013 | 25,360 |
| 2014 | 25,317 |
| 2015 | 25,247 |
| 2016 | 25,222 |
| 2017 | 25,191 |
| 2018 | 25,156 |
| 2019 | 25,143 |
| 2020 | 25,271 |
| 2021 | 25,153 |
| 2022 | 25,134 |
| 2023 | 25,309 |
| 2024 | 25,325 |
Race & Ethnicity
| White | 63.2% |
| Black or African American | 2.6% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.5% |
| Two or More Races | 0.0% |
Economy & Income
$62,462
Median Household Income
$32,181
Per Capita Income
10.9%
Poverty Rate
4.7%
Unemployment Rate
Housing
$153,100
Median Home Value
$943
Median Rent
73.6%
Owner-Occupied
Education
78.1%
High School+
13.2%
Bachelor's+
Commute
0.3%
Drive Alone
75.8%
Public Transit
7.2%
Work From Home
24.6 min
Avg Commute
Community Profile
16.3%
Foreign Born
71.7%
Non-English at Home
4.4%
Veterans
15.9%
With Disability
92.5%
Health Insurance
94.1%
Internet Access
Employment by Industry
| Manufacturing | 27.2% |
| Professional, Scientific & Management | 14.0% |
| Education, Health Care & Social Services | 11.3% |
| Finance, Insurance & Real Estate | 9.4% |
| Construction | 7.9% |
| Arts, Entertainment & Food Services | 6.2% |
| Retail Trade | 5.5% |
| Information | 3.0% |
| Transportation & Warehousing | 0.4% |
| Public Administration | 0.4% |
| Agriculture & Mining | 0.4% |
Largest cities in Illinois
Largest counties in Illinois
Part of Illinois
Metro areas in Illinois
City rankings
Frequently Asked Questions
Belvidere, Illinois has a population of 24,510 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 91st-largest city in Illinois.
The median household income in Belvidere, Illinois is $62,462, with 10.9% of residents living below the federal poverty level.
The median home value in Belvidere, Illinois is $153,100, with median monthly rent at $943 and a homeownership rate of 73.6%.
The median age in Belvidere, Illinois is 39.7 years. The population is 49.9% male and 50.1% female.
The population has declined 1.1% since 2010 (25,609 → 25,325).
Where to stay in Belvidere
Visiting or relocating to Belvidere, IL? Compare hotels and short-term rentals across the metro — live availability and prices.
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
More from Illinois
Population 2,707,648
Population 179,867
Population 149,785
Population 149,424
Population 147,649
Full rankings of Illinois cities by population
Statewide data for Illinois
Population, race, income, age, and trends across Illinois
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.