Our Products

• US ZIP Code Database
• US ZIP+4 Database
• 2010 Census Database
• Canadian Postal Codes
• ZIP Code Boundary Data
• ZIP Code API NEW!
• Area Code Database
• Historical Zip Codes
• FREE Radius Application
• FREE Store Locator
• FREE Mobile App
• NPA NXX Database

Find ZIP+4 of Address

FREE ZIP Code Finder

Other FREE Lookups

FREE Radius Search

FREE Distance Calc

ZIP Code Database - Facts & Stats

GRUNDY County, IA ZIP Codes

Timezone(s):	Central

Population:	12,453 (More Details)
Male Population:	6,156
Female Population:	6,297
Median Age:	43

ZIP Codes:	9
Cities:	9
Counties:	1
Area Codes:	0

Total Area:	502 square miles (county)
Land Area:	502 square miles (county)
Water Area:	0 square miles (county)

Load County Map

GRUNDY County, IA Covers 9 ZIP Codes

ZIP Code	Classification	City	Population	Timezone	Area Code(s)
ZIP Code 50609	General	Beaman	446	Central	641
ZIP Code 50621	General	Conrad	1,530	Central	641
ZIP Code 50624	General	Dike	1,743	Central	319
ZIP Code 50638	General	Grundy Center	3,313	Central	319
ZIP Code 50642	General	Holland	581	Central	319
ZIP Code 50657	General	Morrison	0	Central	319
ZIP Code 50669	General	Reinbeck	2,436	Central	319
ZIP Code 50673	P.O. Box	Stout	219	Central	319
ZIP Code 50680	General	Wellsburg	1,095	Central	641

GRUNDY, IA Demographic Information

* Demographic data is based on 2010 Census.

More Census Information

Total population of GRUNDY County, IA	12,453
Male population of GRUNDY County, IA	6,156
Female population of GRUNDY County, IA	6,297
Median age (years)	43
White Population	12,269
Black Population	28
Indian Population	4
Asian Population	27
Hawaiian Population	7
Hispanic Population	122
Median age (Male)	41
Median age (Female)	44.8
Total households	5,131
Family households (families)	3,604
Average household size for GRUNDY County, IA	2.4
Average family size of GRUNDY County, IA	2.87
Total housing units for GRUNDY County, IA	5,530

GRUNDY County, IA Covers 9 Cities

Wellsburg, IA