Home > IL > Williamson County > Marion > Zip 62959

Zip Code 62959 — Marion, IL

ZIP Code 62959 is associated with Marion, IL, in Williamson County. The listed population estimate is 27,793; estimated density is 75.0 people per square mile. Among records with population estimates, it ranks #1 of 12 in Williamson County and #172 of 1,390 in IL.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (37.714420, -88.914630)

Data MetricLocal Statistic
Postal / Zip Code62959
Primary CityMarion
State / ProvinceIL
CountyWilliamson
Total Population27,793
Population Density75.0 people/sq mi
TimezoneAmerica/Chicago

How 62959 Compares

MetricZIP 62959Williamson County recordsIL records
Population estimate27,79367,368 (sum)12,694,745 (sum)
Population Density75.0 /sq mi----
County population rank#1 of 12----
State population rank#172 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 62933Energy7.1 mi1,101
ZIP 62951Johnston City7.8 mi5,342
ZIP 62974Pittsburg8.2 mi1,536
ZIP 62922Creal Springs8.4 mi2,608
ZIP 62948Herrin9.5 mi12,758

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 →