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 and multiracial populations.

Population by Race

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%

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