Monona County ZIP Codes

List of ZIP Codes in Monona County

The following table lists ZIP Codes associated with Monona 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 51010 42.09309 -95.92044 Castana 416 2.2
2 51034 42.16241 -95.78947 Mapleton 1,844 6.1
3 51040 42.03073 -96.0706 Onawa 3,388 10.1
4 51051 42.20443 -95.96988 Rodney 48 5.5
5 51060 42.04189 -95.69844 Ute 529 3.5
6 51063 42.13103 -96.18611 Whiting 1,109 5.9
7 51523 41.9122 -96.07172 Blencoe 356 2.7
8 51558 41.91497 -95.87023 Moorhead 680 3.1
9 51572 41.9896 -95.79053 Soldier 379 3.5


About Monona County ZIP Codes

Monona County in Iowa (IA) is served by approximately 9 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 8,749 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 Monona County are located in cities such as Onawa, Mapleton, Whiting, Moorhead, Ute. These cities and towns help define the economic and demographic character of the county.

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