Prairie du Rocher Flag

Prairie du Rocher

County:
Monroe County
County Seat:
No
Area (mi²):
0.571
State:
Illinois

Prairie du Rocher is a village located in Monroe County, Illinois. Prairie du Rocher has a 2025 population of 510 . Prairie du Rocher is currently declining at a rate of -0.2% annually but its population has increased by 2.2% since the most recent census, which recorded a population of 499 in 2020.

The median household income in Prairie du Rocher is $60,313 with a poverty rate of 9.77%. The median age in Prairie du Rocher is 36.4 years: 36.3 years for males, and 36.7 years for females. For every 100 females there are 113.9 males.

510
Total Population
893
Density (mi²)
-1 -0.2%
Growth

Prairie du Rocher Population

Prairie du Rocher Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Prairie du Rocher includes 93.06% White, and smaller percentages for Black or African American, Native Hawaiian or Pacific Islander, other race and multiracial populations.

Population by Race

White (93.06%)

Two or more races (5.09%)

Black or African American (0.93%)

Native Hawaiian or Pacific Islander (0.46%)

Other race (0.46%)

Race
Population
Percentage (of total)
White40293.06%
Two or more races225.09%
Black or African American40.93%
Native Hawaiian or Pacific Islander20.46%
Other race20.46%

Prairie du Rocher Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Prairie du Rocher's average per capita income is $41,250. Household income levels show a median of $60,313. The poverty rate stands at 9.77%.

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$82,000-
Families$69,375$75,280
Households$60,313$67,766
Non Families$35,833$37,233

$41,250

Average Income

$60,313

Median Household Income

9.77%

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)