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Zip Code 62664 — Mason City, IL

62664 is a ZIP Code associated with Mason City, IL, located within Mason. The postal region supports an estimated population of 2,922 residents across Data Pending housing units, with a population density of 10.5 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (40.211060, -89.726290)

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

How 62664 Compares

MetricZIP 62664Mason CountyIL State Average
Population2,92210,73512,694,745
Median IncomeData PendingN/AN/A
Population Density10.5 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 62682San Jose7.5 mi684N/A
Zip 62633Easton8.0 mi638N/A
Zip 62642Greenview8.4 mi1,396N/A
Zip 62671New Holland9.4 mi362N/A
Zip 61532Forest City10.4 mi347N/A

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 →