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Zip Code 50638 — Grundy Center, IA

50638 is a ZIP Code associated with Grundy Center, IA, located within Grundy. The postal region supports an estimated population of 3,441 residents across Data Pending housing units, with a population density of 14.1 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (42.356540, -92.794950)

Data MetricLocal Statistic
Postal / Zip Code50638
Primary CityGrundy Center
State / ProvinceIA
CountyGrundy
Total Population3,441
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density14.1 people/sq mi
TimezoneAmerica/Chicago

How 50638 Compares

MetricZIP 50638Grundy CountyIA State Average
Population3,44111,6633,210,984
Median IncomeData PendingN/AN/A
Population Density14.1 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 50642Holland5.9 mi577N/A
Zip 50657Morrison6.2 mi96N/A
Zip 50652Lincoln8.2 mi113N/A
Zip 50609Beaman8.7 mi377N/A
Zip 50680Wellsburg9.2 mi1,027N/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 →