Home > IL > Clark County > Dennison > Zip 62423

Zip Code 62423 — Dennison, IL

ZIP Code 62423 is associated with Dennison, IL, in Clark County. The listed population estimate is 546; estimated density is 8.7 people per square mile. Among records with population estimates, it ranks #5 of 7 in Clark County and #1090 of 1,390 in IL.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (39.462080, -87.581900)

Data MetricLocal Statistic
Postal / Zip Code62423
Primary CityDennison
State / ProvinceIL
CountyClark
Total Population546
Population Density8.7 people/sq mi
TimezoneAmerica/Chicago

How 62423 Compares

MetricZIP 62423Clark County recordsIL records
Population estimate54616,004 (sum)12,694,745 (sum)
Population Density8.7 /sq mi----
County population rank#5 of 7----
State population rank#1090 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 62441Marshall7.8 mi7,003
ZIP 61955Vermilion8.3 mi202
ZIP 61944Paris11.4 mi11,261
ZIP 62477West Union16.3 mi526
ZIP 62442Martinsville17.9 mi2,671

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 →