Lyon County ZIP Codes

List of ZIP Codes in Lyon County

The following table lists ZIP Codes associated with Lyon 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 51230 43.3562 -96.32217 Alvord 517 8.5
2 51235 43.29488 -96.21531 Doon 1,152 8.3
3 51237 43.33885 -96.0005 George 1,577 6.3
4 51240 43.30986 -96.45727 Inwood 1,842 7.1
5 51241 43.44992 -96.46001 Larchwood 2,052 8.8
6 51242 43.43227 -96.33806 Lester 346 24.5
7 51243 43.4425 -95.90287 Little Rock 702 5.2
8 51246 43.42764 -96.16564 Rock Rapids 4,075 9.8


About Lyon County ZIP Codes

Lyon County in Iowa (IA) is served by approximately 8 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 12,263 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 Lyon County are located in cities such as Rock Rapids, Larchwood, Inwood, George, Doon. These cities and towns help define the economic and demographic character of the county.

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