51240 Frequently Asked Questions

A: ZIP Code 51240 is Located in Inwood Iowa. Portions of 51240 are also in Lyon Township (Lyon County), Richland Township (Lyon County), Logan Township (Lyon County), Settlers Township, Centennial Township, Sioux Township (Sioux County).

A: ZIP Code 51240 is Located Primarily in Lyon County Iowa with Portions in Sioux County.

A: The Current Sales Tax in ZIP Code 51240 is 7.0%

A: The Area Code for 51240 is 712.

A: ZIP Code 51240 is in the Iowa 4th Congressional District.

A: ZIP Code 51240 is in Iowa State House of Representatives District 4.

A: ZIP Code 51240 is in Iowa State Senate District 2.

A: The 2022 population of ZIP Code 51240 is 1629. The population growth rate in 51240 is 0.00%. The population density of 51240 is 16.

A: The majority race/ethnicity of people residing in 51240 is White (96.06%). The majority race/ethnicity of students attending public schools in 51240 is White(92.52%).

A: The median household income in 51240 is $72,283 (2021) and the average adjusted income is $433,630 (2021).