Home > IL > Piatt County > Cerro Gordo > Zip 61818

Zip Code 61818 — Cerro Gordo, IL

ZIP Code 61818 is associated with Cerro Gordo, IL, in Piatt County. The listed population estimate is 1,560; estimated density is 15.4 people per square mile. Among records with population estimates, it ranks #3 of 11 in Piatt County and #746 of 1,390 in IL.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (39.884550, -88.717980)

Data MetricLocal Statistic
Postal / Zip Code61818
Primary CityCerro Gordo
State / ProvinceIL
CountyPiatt
Total Population1,560
Population Density15.4 people/sq mi
TimezoneAmerica/Chicago

How 61818 Compares

MetricZIP 61818Piatt County recordsIL records
Population estimate1,56017,335 (sum)12,694,745 (sum)
Population Density15.4 /sq mi----
County population rank#3 of 11----
State population rank#746 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 61855Milmine4.1 mi24
ZIP 62501Argenta5.6 mi2,324
ZIP 61936La Place5.6 mi170
ZIP 61929Hammond6.6 mi672
ZIP 61813Bement8.7 mi2,043

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 →