Washington County Iowa Zip Codes

Cities in

Below are a list of the cities located in Washington County, IA. There are 8 total unique zip codes in Washington County, Iowa. The time zone for Washington County is the Central Daylight Time zone and they follow daylight savings time. The Federal Information Processing System (FIPS) Code for is 19183.

The population in Washington County, IA is currently 22,491. That is an increase of 4.76% vs the population of 21,704 in 2010.

Zip Codes for Washington County, IA (8)
Zip Code
 City County
Zip Code Map
52201 Ainsworth Washington
52247 Kalona Washington
52327 Riverside Washington
52353 Washington Washington
52356 Wellman Washington
52359 West Chester Washington
52540 Brighton Washington
52621 Crawfordsville Washington

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