Howard County ZIP Codes

List of ZIP Codes in Howard County

The following table lists ZIP Codes associated with Howard 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 50466 43.38782 -92.53815 Riceville 2,089 5.8
2 50628 43.26655 -92.39134 Elma 1,309 4.5
3 52134 43.47156 -92.40078 Chester 268 3.7
4 52136 43.37139 -92.11289 Cresco 5,763 10.6
5 52155 43.41412 -92.29683 Lime Springs 1,181 4.4
6 52163 43.21976 -92.10315 Protivin 354 77.1


About Howard County ZIP Codes

Howard 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 10,964 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 Howard County are located in cities such as Cresco, Riceville, Elma, Lime Springs, Protivin. These cities and towns help define the economic and demographic character of the county.

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