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ZIP Code Database - Facts & Stats

Data Last Updated: May 1, 2022

GRUNDY County, IA ZIP Codes

GRUNDY County, IA Covers 9 ZIP Codes

ZIP CodeClassificationCityPopulationTimezoneArea Code(s)
ZIP Code 50609GeneralBeaman446Central641
ZIP Code 50621GeneralConrad1,530Central641
ZIP Code 50624GeneralDike1,743Central319
ZIP Code 50638GeneralGrundy Center3,313Central319
ZIP Code 50642GeneralHolland581Central319
ZIP Code 50657GeneralMorrison0Central319
ZIP Code 50669GeneralReinbeck2,436Central319
ZIP Code 50673P.O. BoxStout219Central319
ZIP Code 50680GeneralWellsburg1,095Central641

Population:12,453 (More Details)
Male Population:6,156
Female Population:6,297
Median Age:43
ZIP Codes:9
Area Codes:0
Total Area:502 square miles (county)
Land Area:502 square miles (county)
Water Area:0 square miles (county)

GRUNDY, IA Demographic Information

* Demographic data is based on 2010 Census.

Total population of GRUNDY County, IA12,453
Male population of GRUNDY County, IA6,156
Female population of GRUNDY County, IA6,297
Median age (years)43
White Population12,269
Black Population28
Indian Population4
Asian Population27
Hawaiian Population7
Hispanic Population122
Median age (Male)41
Median age (Female)44.8
Total households5,131
Family households (families)3,604
Average household size for GRUNDY County, IA2.4
Average family size of GRUNDY County, IA2.87
Total housing units for GRUNDY County, IA5,530

GRUNDY County, IA Covers 9 Cities