Belvidere township Flag

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.

29.5K
Total Population
818
Density (mi²)
117 0.4%
Growth

Belvidere township Population

Belvidere township Population

Data after 2023 is projected based on recent change

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, 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)
White20,18568.79%
Other race4,69816.01%
Two or more races3,27611.16%
Black or African American6342.16%
Asian3421.17%
Native American2070.71%
Native Hawaiian or Pacific Islander00%

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

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)