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 2026 population of 515. Prairie du Rocher is currently growing at a rate of 0.59% annually and its population has increased by 3.21% since the most recent census, which recorded a population of 499 in 2020.

The median household income in Prairie du Rocher is $66,161 with a poverty rate of 8.19%. The median age in Prairie du Rocher is 40.3 years: 36.6 years for males, and 43.2 years for females. For every 100 females there are 135.2 males.

515
Total Population
901
Density (mi²)
3 0.59%
Growth

Prairie du Rocher Population

Prairie du Rocher Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202651530.59%
202551220.39%
2024510-1-0.2%
2023511-2-0.39%
2022513132.6%
202150010.2%
2020499-1-0.2%
2019556-9-1.59%
2018565-3-0.53%
2017568-3-0.53%
2016571-4-0.7%
2015575-9-1.54%
2014584-4-0.68%
2013588-3-0.51%
2012591-9-1.5%
2011600-4-0.66%
2010603-1-0.17%

Median Age

Overall: 40.3 years
Female: 43.2 years
Male: 36.6 years

Prairie du Rocher Adults

There are 344 adults, (87 of whom are seniors) in Prairie du Rocher.

Sex Ratio

Female: 193 (42.5%)
Male: 261 (57.5%)

Demographics

The racial composition of Prairie du Rocher includes 95.37% White, and smaller percentages for Black or African American, other race and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White43395.37%
Two or more races173.74%
Black or African American20.44%
Other race20.44%
Race
Population ↓
Percentage (of total)
White235.07%
Two or more races102.2%
Race
Population ↓
Percentage (of total)
White41090.31%
Two or more races71.54%
Black or African American20.44%
Other race20.44%

Prairie du Rocher Marital Status

Economics and Income Statistics

Prairie du Rocher 's average per capita income is $41,250. Household income levels show a median of $66,161. The poverty rate stands at 8.19%.

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$84,375-
Families$80,000$82,120
Households$66,161$70,995
Non Families$39,583$47,874

$41,250

Average Income

$66,161

Median Household Income

8.19%

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)