Zip Code 62666 — Middletown, IL

ZIP Code 62666 is associated with Middletown, IL, in Logan County. The listed population estimate is 485; estimated density is 5.9 people per square mile. Among records with population estimates, it ranks #8 of 14 in Logan County and #1122 of 1,390 in IL.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (40.083840, -89.543640)

Data MetricLocal Statistic
Postal / Zip Code62666
Primary CityMiddletown
State / ProvinceIL
CountyLogan
Total Population485
Population Density5.9 people/sq mi
TimezoneAmerica/Chicago

How 62666 Compares

MetricZIP 62666Logan County recordsIL records
Population estimate48527,439 (sum)12,694,745 (sum)
Population Density5.9 /sq mi----
County population rank#8 of 14----
State population rank#1122 of 1,390----

Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.

Explore More ZIP Codes

Nearby ZIP Codes in IL

ZIP CodeCityDistancePopulation estimate
ZIP 62671New Holland5.8 mi362
ZIP 62634Elkhart6.7 mi1,263
ZIP 62693Williamsville8.8 mi1,677
ZIP 62642Greenview9.0 mi1,396
ZIP 62613Athens9.3 mi3,598

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 →