Oneco township

County:: Stephenson County
County Seat:: No
Area (mi²):: 27.456
State:: Illinois

Oneco township is located in Stephenson County, Illinois. Oneco township has a 2025 population of 1,214. Oneco township is currently declining at a rate of -1.14% annually and its population has decreased by -5.38% since the most recent census, which recorded a population of 1,283 in 2020.

The average household income in Oneco township is $74,382 with a poverty rate of 12%.The median age in Oneco township is 40.8 years: 42.5 years for males, and 39.9 years for females.

Demographics

The racial composition of Oneco township includes 96.81% White, and smaller percentages for Two or more races, other race, Black or African American and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	1,244	96.81%
Two or more races	29	2.26%
Other race	9	0.7%
Black or African American	3	0.23%

Oneco township Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Oneco township's average per capita income is $46,290. Household income levels show a median of $66,445. The poverty rate stands at 12%.

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	$91,172	-
Families	$77,000	$88,034
Households	$66,445	$74,382
Non Families	$33,125	$37,609

$46,290

Average Income

$66,445

Median Household Income

12%

Poverty Rate