Johnston, Iowa | |
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![]() Johnston welcome sign | |
Motto: Thrive. Every Day. | |
![]() Location of Johnston, Iowa | |
Coordinates: 41°41′28″N 93°43′25″W / 41.69111°N 93.72361°W | |
Country | ![]() |
State | ![]() |
County | Polk |
Incorporated | September 18, 1969 |
Government | |
• Type | Mayor-council government |
• Mayor | Paula Dierenfeld |
Area | |
• Total | 20.88 sq mi (54.07 km2) |
• Land | 19.39 sq mi (50.23 km2) |
• Water | 1.48 sq mi (3.84 km2) |
Elevation | 824 ft (251 m) |
Population (2020) | |
• Total | 24,064 |
• Rank | 24th in Iowa |
• Density | 1,240.92/sq mi (479.12/km2) |
Time zone | UTC-6 (Central (CST)) |
• Summer (DST) | UTC-5 (CDT) |
ZIP code | 50131 |
Area code | 515 |
FIPS code | 19-39765 |
GNIS feature ID | 2395474[2] |
Website | www.cityofjohnston.com |
Johnston is a city in Polk County, Iowa, United States. The population was 24,064 in the 2020 census, a large increase from the 8,649 population in 2000.[3] It is part of the Des Moines–West Des Moines Metropolitan Statistical Area.
Johnston is the location of the headquarters of Pioneer Hi-Bred Seeds, Iowa Public Television, and The Gardeners of America/Men's Garden Clubs of America. Also located here are the Camp Dodge Military Reservation as well as the Paul J. and Ida Trier House, a private residence designed by famous architect Frank Lloyd Wright, and the Des Moines Weather Forecast Office of the National Weather Service.[4]