Flat Rock Flag

Flat Rock

County:
Crawford County
County Seat:
No
Area (mi²):
0.856
State:
Illinois

Flat Rock is a village located in Crawford County, Illinois. Flat Rock has a 2025 population of 310. Flat Rock is currently declining at a rate of -0.96% annually and its population has decreased by -4.32% since the most recent census, which recorded a population of 324 in 2020.

The average household income in Flat Rock is $61,688 with a poverty rate of 14.44%. The median age in Flat Rock is 37.7 years: 40.3 years for males, and 35.2 years for females.

310
Total Population
362
Density (mi²)
-3 -0.96%
Growth

Flat Rock Population

Flat Rock Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Flat Rock includes 97.79% White, and smaller percentages for Two or more races, Black or African American, Native American, Asian, Native Hawaiian or Pacific Islander, other race and multiracial populations.

Population by Race

White

Two or more races

Black or African American

Native American

Asian

Native Hawaiian or Pacific Islander

Other race

Race
Population
Percentage (of total)
White35497.79%
Two or more races82.21%
Black or African American00%
Native American00%
Asian00%
Native Hawaiian or Pacific Islander00%
Other race00%

Flat Rock Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Flat Rock's average per capita income is $46,250. Household income levels show a median of $49,881. The poverty rate stands at 14.44%.

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$69,250-
Families$65,417$71,774
Households$49,881$61,688
Non Families$47,917$42,027

$46,250

Average Income

$49,881

Median Household Income

14.44%

Poverty Rate

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)