Mahaska County Iowa Zip Codes

Cities in

Below are a list of the cities located in Mahaska County, IA. There are 9 total unique zip codes in Mahaska County, Iowa. The time zone for Mahaska County is the Central Daylight Time zone and they follow daylight savings time. The Federal Information Processing System (FIPS) Code for is 19123.

The population in Mahaska County, IA is currently 21,984. That is a decrease of -4.55% vs the population of 22,381 in 2010.

Zip Codes for Mahaska County, IA (9)
Zip Code
 City County
Zip Code Map
50027 Barnes City Mahaska
50143 Leighton Mahaska
50207 New Sharon Mahaska
52534 Beacon Mahaska
52543 Cedar Mahaska
52561 Fremont Mahaska
52577 Oskaloosa Mahaska
52586 Rose Hill Mahaska
52595 University Park Mahaska

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