Zip Code 61426 — Castleton, IL

ZIP Code 61426 is associated with Castleton, IL, in Stark County. The listed population estimate is 41; estimated density is 5.2 people per square mile. Among records with population estimates, it ranks #5 of 5 in Stark County and #1374 of 1,390 in IL.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (41.119640, -89.706010)

Data MetricLocal Statistic
Postal / Zip Code61426
Primary CityCastleton
State / ProvinceIL
CountyStark
Total Population41
Population Density5.2 people/sq mi
TimezoneAmerica/Chicago

How 61426 Compares

MetricZIP 61426Stark County recordsIL records
Population estimate415,642 (sum)12,694,745 (sum)
Population Density5.2 /sq mi----
County population rank#5 of 5----
State population rank#1374 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 61491Wyoming4.3 mi2,230
ZIP 61424Camp Grove4.7 mi20
ZIP 61421Bradford5.0 mi1,231
ZIP 61479Speer8.8 mi95
ZIP 61483Toulon9.0 mi1,801

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 →