ZIP Code 62427

ZIP code 62427 is classified by USPS as a standard delivery area and covers roughly 230.0 square miles in Flat Rock, Crawford County, Illinois. The area is home to 1,702 residents, producing a population density of 7 people per square mile, and falls within the Chicago time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 62427 against Illinois and the nation.

On the economic side, the median household income for ZIP 62427 sits at $81,250 (1% above the Illinois average), while per-capita income is $39,000. The poverty rate stands at 6.1% and the unemployment rate at 0.3%. On housing, the median home value is $160,700 (16% below the state average) with median rent at — per month, and 94.3% of occupied units are owner-occupied, a direct signal of whether 62427 behaves more like a homeowner neighborhood or a renter-heavy ZIP.

Education and household profile round out the picture: 8.6% of adults hold a bachelor's degree or higher, the median age is 43.8, and the average commute is 34 minutes. We also surface 3 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Crawford County, so you can benchmark 62427 against its immediate geography rather than a national average alone. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data, no estimates, no proprietary scoring. Verify with HUD →