Rock Run Flag

Rock Run

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

Rock Run is located in Stephenson County, Illinois. Rock Run has a 2025 population of 2,104 . Rock Run is currently declining at a rate of -0.52% annually and its population has decreased by -3.66% since the most recent census, which recorded a population of 2,184 in 2020.

The average household income in Rock Run is $106,776 with a poverty rate of 1.79%. The median age in Rock Run is 54.4 years: 50.2 years for males, and 58.8 years for females. For every 100 females there are 88.5 males.

2.1K
Total Population
44
Density (mi²)
-11 -0.52%
Growth

Rock Run Population

Rock Run Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Rock Run includes 93.97% White, and smaller percentages for other race, Asian and multiracial populations.

Population by Race

White (93.97%)

Two or more races (4.14%)

Other race (1.65%)

Asian (0.25%)

Race
Population
Percentage (of total)
White1,88593.97%
Two or more races834.14%
Other race331.65%
Asian50.25%

Rock Run Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Rock Run'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

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)