50131 Frequently Asked Questions

A: ZIP Code 50131 is Located in Johnston Iowa. Portions of 50131 are also in Grimes, Urbandale, Jefferson Township (Polk County), Webster Township (Polk County), Saylorville Reservoir.

A: ZIP Code 50131 is Located Entirely in Polk County Iowa.

A: The Current Sales Tax in ZIP Code 50131 is 7.0%

A: The Area Code for 50131 is 515.

A: ZIP Code 50131 is in the Iowa 3rd Congressional District.

A: 50131 is within Iowa State House of Representatives District 43, Iowa State House of Representatives District 44, Iowa State House of Representatives District 45 and Iowa State House of Representatives District 46.

A: 50131 is within Iowa State Senate District 22 and Iowa State Senate District 23.

A: The 2022 population of ZIP Code 50131 is 23967. The population growth rate in 50131 is 0.00%. The population density of 50131 is 850.

A: The majority race/ethnicity of people residing in 50131 is White (80.45%). The majority race/ethnicity of students attending public schools in 50131 is White(70.31%).

A: The median household income in 50131 is $92,743 (2021) and the average adjusted income is $505,510 (2021).