Johnston, Iowa

Johnston, Iowa
City
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 / 41.69111; -93.72361
Country	United States
State	Iowa
County	Polk
Incorporated	September 18, 1969
Government
• Type	Mayor-council government
• Mayor	Paula Dierenfeld
Area [1]
• 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 [2]	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]