Johnston Polk County, Iowa

Johnston: City in Iowa, United States

Johnston locator map
Location of Johnston on Iowa map.


Johnston is a city located in the county of Polk in the U.S. state of Iowa. Its population at the 2010 census was 17,278 and a population density of 364 people per km². After 9 years in 2019 city had an estimated population of 22,582 inhabitants.

The city was created 52 years ago in 1968.


Johnston is located at 41°40'23"N 93°41'52"W (41.6730400, -93.6977200).

Johnston welcome sign image
Johnston welcome sign


Johnston forecast: A slight chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 93. North northeast wind around 6 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible. more

Johnston welcome sign image

Johnston map

Johnston Quick Facts

Population : 22,582 (2019)
Country : United States of America
State : Iowa (United States)
County : Polk County
Postal code : 50131
Phone Area Codes : 515
Area : 47.47 km2
Altitude : 830 feet / 253 meters
Establishment : January 01, 1969 (52 years ago)
Time Zone : America/Chicago
Local time : 13:38:24 (18th June 2021)
Density : 476 Pop. per km² as of 2019
Population growth : 23.49% (2010-2019)
Weather : 93℉ Slight Chance Showers And Thunderstorms 7-days weather


The population of Johnston increased by 23.49% in 9 years.

Year Population % Change Method
2010 17,278 - census
2011 17,774 2.79% estimation process
2012 18,217 2.43% estimation process
2013 19,057 4.41% estimation process
2014 19,496 2.25% estimation process
2015 19,702 1.05% estimation process
2016 21,100 6.63% estimation process
2017 21,547 2.07% estimation process
2018 22,041 2.24% estimation process
2019 22,582 2.4% estimation process

Johnston zip code is 50131. County name: Polk, County fips: 19153

People born in Johnston (3)

People born in Johnston, including DJ Steve James, ice hockey player Chad Costello, Miss Iowa 2011 Jessica Pray, you can see a list of people who born in Johnston.


College & universities near Johnston

Code Name City ZIP
153764 La James International College-Johnston Johnston (IA) 50131

Stations (2)

Amtrak & bus stations near Johnston

Code Name Address Type
OSC Osceola Main & East Clay Streets RAIL
CRN Creston Pine and Adams Avenue RAIL

Other places with the same name (2)

Other cities in Polk County

Cities, Towns, Neighborhoods & Other Populated Places in Polk County , IA.

City Name Population Title
Des Moines 214,237 City in and county seat of Polk County, Iowa, United States, and Iowa federated state capital city
West Des Moines 67,899 City in Polk County, Iowa, United States
Ankeny 67,355 Suburb in Iowa
Urbandale 44,379 City in Polk and Dallas counties, Iowa, United States
Altoona 19,221 City in Polk County, Iowa, United States
Clive 17,242 Human settlement in Iowa, United States of America
Grimes 14,804 City in Iowa, United States
Pleasant Hill 10,019 American city in Iowa
Bondurant 6,958 City in Polk County, Iowa, United States of America
Polk City 4,961 American city in Iowa
Windsor Heights 4,809 City in Polk County, Iowa, United States
Mitchellville 2,258 City in Iowa, United States
Elkhart 918 American city in Iowa
Runnells 504 City in Polk County, Iowa, United States
Alleman 452 City in Polk County, Iowa, United States

Distance to Other Cities

Johnston distances to largest Iowa cities

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