Winneshiek County ZIP Codes

List of ZIP Codes in Winneshiek County

The following table lists ZIP Codes associated with Winneshiek County, Iowa, based on ZIP Code Tabulation Area (ZCTA) data from the U.S. Census Bureau.

S.N.	Zip Code	Latitude	Longitude	City	Population	Density
1	52101	43.35741	-91.76494	Decorah	12,539	15.3
2	52132	43.2067	-91.91881	Calmar	1,856	11.6
3	52133	43.10702	-91.66854	Castalia	711	6.3
4	52144	43.13961	-91.96075	Fort Atkinson	1,056	5.5
5	52161	43.12733	-91.75623	Ossian	1,558	11.3
6	52165	43.30671	-91.98465	Ridgeway	1,125	6.5
7	52168	43.20339	-91.95338	Spillville	409	416.8

About Winneshiek County ZIP Codes

Winneshiek County in Iowa (IA) is served by approximately 7 ZIP Codes. These codes cover residential neighborhoods, business districts, and rural areas that fall under the county's jurisdiction.

Based on ZIP-level population estimates, the total population covered by these ZIP Codes is around 19,254 people. Population and density values vary from one ZIP Code to another, reflecting the mix of dense urban communities and lower-density suburban or rural zones.

Many of the most significant population centers in Winneshiek County are located in cities such as Decorah, Calmar, Ossian, Ridgeway, Fort Atkinson. These cities and towns help define the economic and demographic character of the county.

Most ZIP Codes in Winneshiek County, Iowa follow the America/Chicago time zone.

Winneshiek County ZIP Codes

List of ZIP Codes in Winneshiek County

About Winneshiek County ZIP Codes

Iowa Counties ZIP Codes

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