Rock Run township

County:: Stephenson County
County Seat:: No
Area (mi²):: 47.819
State:: Illinois

Rock Run township is located in Stephenson County, Illinois. Rock Run township has a 2025 population of 2,075. Rock Run township is currently declining at a rate of -0.95% annually and its population has decreased by -4.9% since the most recent census, which recorded a population of 2,182 in 2020.

The average household income in Rock Run township is $106,776 with a poverty rate of 1.79%. The median age in Rock Run township is 54.4 years: 50.2 years for males, and 58.8 years for females.

Demographics

The racial composition of Rock Run township includes 93.97% White, and smaller percentages for other race, Asian, Black or African American, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Other race

Asian

Black or African American

Native American

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	1,885	93.97%
Two or more races	83	4.14%
Other race	33	1.65%
Asian	5	0.25%
Black or African American	0	0%
Native American	0	0%
Native Hawaiian or Pacific Islander	0	0%

Rock Run township Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Rock Run township's average per capita income is $57,303. Household income levels show a median of $88,125. The poverty rate stands at 1.79%.

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	$109,464	-
Families	$99,063	$119,447
Households	$88,125	$106,776
Non Families	$58,333	$68,884

$57,303

Average Income

$88,125

Median Household Income

1.79%

Poverty Rate