Home > IL > Crawford County > Flat Rock > Zip 62427

Zip Code 62427 — Flat Rock, IL

62427 is a ZIP Code associated with Flat Rock, IL, located within Crawford. The postal region supports an estimated population of 1,730 residents across Data Pending housing units, with a population density of 7.9 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (38.873010, -87.658910)

Data MetricLocal Statistic
Postal / Zip Code62427
Primary CityFlat Rock
State / ProvinceIL
CountyCrawford
Total Population1,730
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density7.9 people/sq mi
TimezoneAmerica/Chicago

How 62427 Compares

MetricZIP 62427Crawford CountyIL State Average
Population1,73018,76312,694,745
Median IncomeData PendingN/AN/A
Population Density7.9 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 62439Lawrenceville8.8 mi7,033N/A
Zip 62451Palestine8.8 mi2,055N/A
Zip 62454Robinson10.1 mi10,477N/A
Zip 62464Stoy12.4 mi81N/A
Zip 62417Bridgeport13.1 mi2,848N/A

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →