Olio township

County:: Woodford County
County Seat:: No
Area (mi²):: 31.433
State:: Illinois

Olio township is located in Woodford County, Illinois. Olio township has a 2025 population of 4,691. Olio township is currently growing at a rate of 0.19% annually but its population has decreased by -0.19% since the most recent census, which recorded a population of 4,700 in 2020.

The average household income in Olio township is $77,465 with a poverty rate of 15.3%.The median age in Olio township is 40 years: 32.1 years for males, and 44.8 years for females.

Demographics

The racial composition of Olio township includes 92.6% White, and smaller percentages for other race, Black or African American, Asian and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	4,342	92.6%
Two or more races	164	3.5%
Other race	90	1.92%
Black or African American	82	1.75%
Asian	11	0.23%

Olio township Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Olio township's average per capita income is $48,269. Household income levels show a median of $54,375. The poverty rate stands at 15.3%.

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	$96,071	-
Families	$85,918	$99,015
Households	$54,375	$77,465
Non Families	$26,154	$49,049

$48,269

Average Income

$54,375

Median Household Income

15.3%

Poverty Rate