Marion County ZIP Codes

List of ZIP Codes in Marion County

The following table lists ZIP Codes associated with Marion 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 50044 41.20247 -92.88907 Bussey 948 7.6
2 50057 41.17859 -93.14554 Columbia 261 5.4
3 50062 41.23499 -93.24425 Melcher Dallas 833 10.5
4 50116 41.17812 -92.98247 Hamilton 185 4.4
5 50119 41.31089 -92.94587 Harvey 352 8.5
6 50138 41.30246 -93.10534 Knoxville 11,374 26.1
7 50163 41.2223 -93.24101 Melcher Dallas 669 542.8
8 50214 41.46246 -93.05528 Otley 684 6.8
9 50219 41.42243 -92.90132 Pella 14,267 47.7
10 50225 41.3823 -93.27103 Pleasantville 3,396 15.3
11 50252 41.45881 -93.31518 Swan 221 5.9
12 50256 41.2664 -92.91114 Tracy 620 8.6


About Marion County ZIP Codes

Marion County in Iowa (IA) is served by approximately 12 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 33,810 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 Marion County are located in cities such as Pella, Knoxville, Pleasantville, Melcher Dallas, Bussey. These cities and towns help define the economic and demographic character of the county.

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