Belvidere

County:: Boone County
County Seat:: Yes
Area (mi²):: 12.514
State:: Illinois

Belvidere is a city located in Boone County, Illinois. Belvidere has a 2025 population of 25,306. It is also the county seat of Boone County. Belvidere is currently growing at a rate of 0.02% annually and its population has increased by 0.09% since the most recent census, which recorded a population of 25,283 in 2020.

The average household income in Belvidere is $79,271 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.

Demographics

The racial composition of Belvidere includes 63.22% White, 22.59% other race, and smaller percentages for Black or African American, Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Other race

Two or more races

Black or African American

Asian

Native American

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	15,495	63.22%
Other race	5,536	22.59%
Two or more races	2,351	9.59%
Black or African American	637	2.6%
Asian	371	1.51%
Native American	120	0.49%
Native Hawaiian or Pacific Islander	0	0%

Belvidere Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Belvidere's average per capita income is $39,618. Household income levels show a median of $62,462. The poverty rate stands at 15.54%.

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	$99,073	-
Families	$71,694	$91,533
Households	$62,462	$79,271
Non Families	$41,890	$50,700

$39,618

Average Income

$62,462

Median Household Income

15.54%

Poverty Rate