Belvidere Flag

Belvidere

County:
Boone County
County Seat:
Yes
Area (mi²):
12.777
State:
Illinois

Belvidere is a city located in Boone County, Illinois. Belvidere has a 2025 population of 25,325 . It is also the county seat of Boone County . Belvidere is currently growing at a rate of 0.06% annually and its population has increased by 0.21% since the most recent census, which recorded a population of 25,271 in 2020.

The median household income in Belvidere is $62,462 with a poverty rate of 15.54%. The median age in Belvidere is 39.7 years: 38.8 years for males, and 40.3 years for females. For every 100 females there are 99.7 males.

25.3K
Total Population
1,982
Density (mi²)
16 0.06%
Growth

Belvidere Population

Demographics

Economics and Income Statistics

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)