Delavan township

County:: Tazewell County
County Seat:: No
Area (mi²):: 30.158
State:: Illinois

Delavan township is located in Tazewell County, Illinois. Delavan township has a 2025 population of 1,894. Delavan township is currently declining at a rate of -0.32% annually and its population has decreased by -2.52% since the most recent census, which recorded a population of 1,943 in 2020.

The average household income in Delavan township is $74,979 with a poverty rate of 11.7%.The median age in Delavan township is 38.6 years: 36.7 years for males, and 41.8 years for females.

Demographics

The racial composition of Delavan township includes 95.85% White, and smaller percentages for Two or more races, other race, Asian and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	1,873	95.85%
Two or more races	49	2.51%
Other race	26	1.33%
Asian	6	0.31%

Delavan township Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Delavan township's average per capita income is $41,306. Household income levels show a median of $70,750. The poverty rate stands at 11.7%.

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	$84,375	-
Families	$72,557	$83,200
Households	$70,750	$74,979
Non Families	$49,792	$54,696

$41,306

Average Income

$70,750

Median Household Income

11.7%

Poverty Rate