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Flat Rock, IL
Village in Crawford County, Illinois.
Population
337
Land area
0.9sq mi
People per sq mi
394
ZIP codes
0
Flat Rock and its ZIP codes
Flat Rock at a glance
- Flat Rock is 72% denser than Illinois as a whole.
Local data for Flat Rock, IL
Counts from official public data
Economy and federal money
Jobs, pay, income and spending are for Crawford County. PPP loans are for Flat Rock.
Unemployment rate
3.4%
Sep 2026, -0.6 pts in a year
Average annual pay
$66,794
7,629 jobs, 2025
Income per person
$61,038
BEA, 2024
Federal spending
$115M
FY 2026, $6,175 per person
Environment and hazard risk
Flat Rock, IL, from FEMA, NOAA and EPA
Natural hazard risk
Very Low
Top: earthquake
Storm events since 1996
315
Countywide, mostly thunderstorm wind
Flood insurance policies
20
0.2% of homes, county
July high / Jan low
87° / 23°F
46.3 inches of rain a year
Health statistics
Share of adults in Flat Rock, IL, CDC PLACES estimates
Obesity
40.3%
U.S. 33.3% +7.0 pts
Diabetes
13.1%
U.S. 12.1% +1.0 pts
Smoking
16.2%
U.S. 12.8% +3.4 pts
Uninsured (18-64)
7.9%
U.S. 11.1% -3.2 pts
Cities near Flat Rock
| Name | Distance | Land area (sq mi) |
|---|---|---|
| PalestineVillage | 7.3 mi | 0.8 |
| RobinsonCity | 7.7 mi | 4.7 |
| RussellvilleVillage | 9.7 mi | 0.4 |
| StoyVillage | 11 mi | 0.9 |
| Merom, INTown | 12 mi | 0.4 |
| LawrencevilleCity | 12 mi | 2.2 |
| Oaktown, INTown | 13 mi | 0.3 |
| Emison, INCensus-designated place | 14 mi | 1.6 |
| HutsonvilleVillage | 14 mi | 0.6 |
| OblongVillage | 14 mi | 1.1 |
| New Lebanon, INCensus-designated place | 14 mi | 0.2 |
| BridgeportCity | 14 mi | 1.1 |
| Carlisle, INTown | 15 mi | 0.5 |
| Graysville, INCensus-designated place | 16 mi | 0.1 |
| SumnerCity | 16 mi | 1.4 |
| Paxton, INCensus-designated place | 17 mi | 0.6 |
Frequently asked questions
- What county is Flat Rock, IL in?
- Flat Rock is in Crawford County, Illinois.
- What is the population of Flat Rock, IL?
- About 337 people live in Flat Rock, based on American Community Survey 5-year estimates.
- What cities are near Flat Rock?
- Nearby places include Palestine (7.3 mi), Robinson (7.7 mi), Russellville (9.7 mi), Stoy (11 mi), Merom, IN (12 mi).
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023