Rock Creek Flag

Rock Creek

County:
Hancock County
County Seat:
No
Area (mi²):
35.968
State:
Illinois

Rock Creek is located in Hancock County, Illinois. Rock Creek has a 2025 population of 303 . Rock Creek is currently declining at a rate of -0.98% annually and its population has decreased by -4.42% since the most recent census, which recorded a population of 317 in 2020.

The average household income in Rock Creek is $64,537 with a poverty rate of 11.63%. The median age in Rock Creek is 51.5 years: 42.1 years for males, and 54.4 years for females. For every 100 females there are 96.9 males.

303
Total Population
8
Density (mi²)
-3 -0.98%
Growth

Rock Creek Population

Rock Creek Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Rock Creek includes 99.22% White, and smaller percentages for Two or more races and multiracial populations.

Population by Race

White (99.22%)

Two or more races (0.78%)

Race
Population
Percentage (of total)
White25699.22%
Two or more races20.78%

Rock Creek Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Rock Creek's average per capita income is $29,583. Household income levels show a median of $54,219. The poverty rate stands at 11.63%.

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$74,250-
Families$73,250$77,100
Households$54,219$64,537
Non Families$29,559$44,448

$29,583

Average Income

$54,219

Median Household Income

11.63%

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)