Rio township

County:: Knox County
County Seat:: No
Area (mi²):: 36.137
State:: Illinois

Rio township is located in Knox County, Illinois. Rio township has a 2025 population of 493. Rio township is currently declining at a rate of -0.6% annually and its population has decreased by -4.09% since the most recent census, which recorded a population of 514 in 2020.

The average household income in Rio township is $101,634 with a poverty rate of 14.48%. The median age in Rio township is 52.2 years: 57.1 years for males, and 52.2 years for females.

Demographics

The racial composition of Rio township includes 93.17% White, and smaller percentages for Asian, Black or African American, Native American, Native Hawaiian or Pacific Islander, other race and multiracial populations.

Population by Race

White

Two or more races

Asian

Black or African American

Native American

Native Hawaiian or Pacific Islander

Other race

Race	Population	Percentage (of total)
White	341	93.17%
Two or more races	15	4.1%
Asian	7	1.91%
Black or African American	3	0.82%
Native American	0	0%
Native Hawaiian or Pacific Islander	0	0%
Other race	0	0%

Rio township Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Rio township's average per capita income is $55,417. Household income levels show a median of $81,731. The poverty rate stands at 14.48%.

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	$104,063	-
Families	$102,500	$110,578
Households	$81,731	$101,634
Non Families	$70,000	$80,604

$55,417

Average Income

$81,731

Median Household Income

14.48%

Poverty Rate