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ZIP Code Database - Facts & Stats

Data Last Updated: April 1, 2023

OBRIEN County, IA ZIP Codes

OBRIEN County, IA Covers 8 ZIP Codes

ZIP CodeClassificationCityPopulationTimezoneArea Code(s)
ZIP Code 51009P.O. BoxCalumet164Central712
ZIP Code 51046GeneralPaullina1,660Central712
ZIP Code 51058GeneralSutherland1,007Central712
ZIP Code 51201GeneralSheldon6,193Central712
ZIP Code 51231GeneralArcher282Central712
ZIP Code 51245GeneralPrimghar1,359Central712
ZIP Code 51248GeneralSanborn1,857Central712
ZIP Code 51346GeneralHartley2,451Central712

Population:14,398 (More Details)
Male Population:7,166
Female Population:7,232
Median Age:44
ZIP Codes:8
Area Codes:0
Total Area:573 square miles (county)
Land Area:573 square miles (county)
Water Area:0 square miles (county)

OBRIEN, IA Demographic Information

* Demographic data is based on 2010 Census.

Total population of OBRIEN County, IA14,398
Male population of OBRIEN County, IA7,166
Female population of OBRIEN County, IA7,232
Median age (years)43.6
White Population13,829
Black Population67
Indian Population18
Asian Population82
Hawaiian Population1
Hispanic Population545
Median age (Male)40.8
Median age (Female)46.6
Total households6,069
Family households (families)3,927
Average household size for OBRIEN County, IA2.31
Average family size of OBRIEN County, IA2.89
Total housing units for OBRIEN County, IA6,649

OBRIEN County, IA Covers 8 Cities