Flat Rock, IL zip code
Flat Rock, Illinois uses one zip code: 62427. Most of it is in Crawford County. Together these zip codes are home to about 1.7K people.
Zip codes
1
Population
1.7K
All zips combined
Largest zip
62427
1,730 residents
Zip codes in Flat Rock
| Zip | Type | Population | IncomeMedian income |
|---|---|---|---|
| 62427 | 1,730 | $81,250 |