ZIP Code 62666

ZIP code 62666 is classified by USPS as a standard delivery area and covers roughly 78.0 square miles in Middletown, Logan County, Illinois. The area is home to 616 residents, producing a population density of 8 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 62666 against Illinois and the nation.

On the economic side, the median household income for ZIP 62666 sits at $89,167 (11% above the Illinois average), while per-capita income is $39,712. The poverty rate stands at 18.8% and the unemployment rate at 2.4%. On housing, the median home value is $140,300 (27% below the state average) with median rent at $740 per month, and 76.4% of occupied units are owner-occupied, a direct signal of whether 62666 behaves more like a homeowner neighborhood or a renter-heavy ZIP.

Education and household profile round out the picture: 20.5% of adults hold a bachelor's degree or higher, the median age is 43.7, and the average commute is —. We also surface 4 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Logan County, so you can benchmark 62666 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 →