Johnson County ZIP Codes

List of ZIP Codes in Johnson County

The following table lists ZIP Codes associated with Johnson 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	52235	41.57024	-91.53281	Hills	892	160.5
2	52240	41.63143	-91.49924	Iowa City	36,046	97.9
3	52241	41.69708	-91.59746	Coralville	22,846	653.1
4	52242	41.66195	-91.54317	Iowa City	4,412	2380.2
5	52245	41.67071	-91.50666	Iowa City	22,765	1046.8
6	52246	41.64903	-91.59718	Iowa City	21,944	507.0
7	52247	41.51503	-91.71774	Kalona	5,301	25.4
8	52317	41.76277	-91.63142	North Liberty	22,392	251.6
9	52322	41.69221	-91.76284	Oxford	1,997	8.8
10	52333	41.80376	-91.48685	Solon	7,443	33.6
11	52338	41.82904	-91.70858	Swisher	3,865	44.7
12	52340	41.70615	-91.68019	Tiffin	5,695	115.4
13	52755	41.48015	-91.43349	Lone Tree	2,210	14.8

About Johnson County ZIP Codes

Johnson County in Iowa (IA) is served by approximately 13 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 157,808 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 Johnson County are located in cities such as Iowa City, Coralville, North Liberty, Solon, Tiffin. These cities and towns help define the economic and demographic character of the county.

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

Johnson County ZIP Codes

List of ZIP Codes in Johnson County

About Johnson County ZIP Codes

Iowa Counties ZIP Codes

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