Belvidere Flag

Belvidere

County:
Boone County
County Seat:
Yes
Area (mi²):
36.103
State:
Illinois

Belvidere is located in Boone County, Illinois. Belvidere has a 2025 population of 29,367 . It is also the county seat of Boone County . Belvidere is currently growing at a rate of 0.09% annually and its population has increased by 0.03% since the most recent census, which recorded a population of 29,359 in 2020.

The average household income in Belvidere is $100,119 with a poverty rate of 12.21%. The median age in Belvidere is 41.2 years: 40.1 years for males, and 41.9 years for females. For every 100 females there are 93.6 males.

29.4K
Total Population
813
Density (mi²)
25 0.09%
Growth

Belvidere Population

Belvidere Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Belvidere includes 68.79% White, 16.01% other race, and smaller percentages for Black or African American, Asian, Native American and multiracial populations.

Population by Race

White (68.79%)

Other race (16.01%)

Two or more races (11.16%)

Black or African American (2.16%)

Asian (1.17%)

Native American (0.71%)

Race
Population
Percentage (of total)
White20,18568.79%
Other race4,69816.01%
Two or more races3,27611.16%
Black or African American6342.16%
Asian3421.17%
Native American2070.71%

Belvidere Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Belvidere's average per capita income is $47,866. Household income levels show a median of $77,446. The poverty rate stands at 12.21%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median
Mean
Married Families$117,425-
Families$89,649$118,061
Households$77,446$100,119
Non Families$40,730$53,015

$47,866

Average Income

$77,446

Median Household Income

12.21%

Poverty Rate

Nearby Cities

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)