Belvidere township

County:: Boone County
County Seat:: No
Area (mi²):: 36.103
State:: Illinois

Belvidere township is located in Boone County, Illinois. Belvidere township has a 2025 population of 29,531. Belvidere township is currently growing at a rate of 0.4% annually and its population has increased by 0.58% since the most recent census, which recorded a population of 29,361 in 2020.

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

Demographics

The racial composition of Belvidere township 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

Race	Population	Percentage (of total)
White	20,185	68.79%
Other race	4,698	16.01%
Two or more races	3,276	11.16%
Black or African American	634	2.16%
Asian	342	1.17%
Native American	207	0.71%

Belvidere township Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Belvidere township'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