Chickasaw County ZIP Codes

List of ZIP Codes in Chickasaw County

The following table lists ZIP Codes associated with Chickasaw 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 50603 43.18893 -92.45834 Alta Vista 410 3.5
2 50630 42.95651 -92.21346 Fredericksburg 1,353 6.2
3 50645 43.02174 -92.44952 Ionia 1,301 5.9
4 50658 42.95024 -92.53782 Nashua 2,432 12.0
5 50659 43.08749 -92.3221 New Hampton 5,942 15.0
6 52154 43.12201 -92.16519 Lawler 638 3.4


About Chickasaw County ZIP Codes

Chickasaw County in Iowa (IA) is served by approximately 6 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 12,076 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 Chickasaw County are located in cities such as New Hampton, Nashua, Fredericksburg, Ionia, Lawler. These cities and towns help define the economic and demographic character of the county.

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