Home > IL > Mason County > Mason City > Zip 62664

Zip Code 62664 — Mason City, IL

ZIP Code 62664 is associated with Mason City, IL, in Mason County. The listed population estimate is 2,922; estimated density is 10.5 people per square mile. Among records with population estimates, it ranks #2 of 8 in Mason County and #580 of 1,390 in IL.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (40.211060, -89.726290)

Data MetricLocal Statistic
Postal / Zip Code62664
Primary CityMason City
State / ProvinceIL
CountyMason
Total Population2,922
Population Density10.5 people/sq mi
TimezoneAmerica/Chicago

How 62664 Compares

MetricZIP 62664Mason County recordsIL records
Population estimate2,92210,735 (sum)12,694,745 (sum)
Population Density10.5 /sq mi----
County population rank#2 of 8----
State population rank#580 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 62682San Jose7.5 mi684
ZIP 62633Easton8.0 mi638
ZIP 62642Greenview8.4 mi1,396
ZIP 62671New Holland9.4 mi362
ZIP 61532Forest City10.4 mi347

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 →