Plymouth County ZIP Codes

List of ZIP Codes in Plymouth County

The following table lists ZIP Codes associated with Plymouth 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	51001	42.83854	-96.54551	Akron	2,292	5.4
2	51008	42.81127	-96.26724	Brunsville	180	246.6
3	51024	42.6201	-96.26564	Hinton	2,048	9.1
4	51028	42.59909	-95.99199	Kingsley	2,047	6.4
5	51031	42.80282	-96.18092	Le Mars	12,785	21.1
6	51038	42.7056	-96.31569	Merrill	1,512	6.5
7	51045	42.82019	-96.05772	Oyens	75	438.2
8	51050	42.79545	-95.94772	Remsen	2,909	8.1
9	51062	42.70623	-96.53511	Westfield	338	2.3
10	51108	42.56625	-96.34858	Sioux City	5,637	47.3
11	51109	42.59873	-96.47804	Sioux City	3,731	81.8

About Plymouth County ZIP Codes

Plymouth County in Iowa (IA) is served by approximately 11 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 33,554 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 Plymouth County are located in cities such as Le Mars, Sioux City, Remsen, Akron, Hinton. These cities and towns help define the economic and demographic character of the county.

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

Plymouth County ZIP Codes

List of ZIP Codes in Plymouth County

About Plymouth County ZIP Codes

Iowa Counties ZIP Codes

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