Zip Code 62285 — Smithton, IL

ZIP Code 62285 is associated with Smithton, IL, in St. Clair County. The listed population estimate is 4,239; estimated density is 100.8 people per square mile. Among records with population estimates, it ranks #18 of 27 in St. Clair County and #511 of 1,390 in IL.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (38.388450, -90.007730)

Data MetricLocal Statistic
Postal / Zip Code62285
Primary CitySmithton
State / ProvinceIL
CountySt. Clair
Total Population4,239
Population Density100.8 people/sq mi
TimezoneAmerica/Chicago

How 62285 Compares

MetricZIP 62285St. Clair County recordsIL records
Population estimate4,239247,743 (sum)12,694,745 (sum)
Population Density100.8 /sq mi----
County population rank#18 of 27----
State population rank#511 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 62248Hecker5.8 mi521
ZIP 62220Belleville5.9 mi19,152
ZIP 62243Freeburg6.7 mi6,418
ZIP 62260Millstadt7.0 mi6,668
ZIP 62264New Athens7.4 mi3,097

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 →