Andover township Flag

Andover township

County:
Henry County
County Seat:
No
Area (mi²):
36.564
State:
Illinois

Andover township is located in Henry County, Illinois. Andover township has a 2026 population of 866. Andover township is currently declining at a rate of -0.35% annually and its population has decreased by -2.48% since the most recent census, which recorded a population of 888 in 2020.

The median household income in Andover township is $67,500 with a poverty rate of 11.27%. The median age in Andover township is 56.4 years: 49.6 years for males, and 58 years for females. For every 100 females there are 98.2 males.

866
Total Population
24
Density (mi²)
-3 -0.35%
Growth

Andover township Population

Andover township Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Andover township includes 94.45% White, and smaller percentages for and multiracial populations.

Population by Race

White (94.45%)

Two or more races (5.55%)

Race
Population
Percentage (of total)
White52894.45%
Two or more races315.55%

Andover township Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Andover township's average per capita income is $44,000. Household income levels show a median of $67,500. The poverty rate stands at 11.27%.

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$88,542-
Families$85,000$89,154
Households$67,500$76,000
Non Families-$43,138

$44,000

Average Income

$67,500

Median Household Income

11.27%

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)