What is the population of Johnston?

The population of Johnston, IA is 23,092.

Where is Johnston located?

Johnston, IA is located at latitude 41.6730400 and longitude -93.6977200. It is in United States.

What is the area of Johnston?

The area of Johnston, IA is 47.468697 km².

What is the elevation of Johnston?

Johnston, IA has an elevation of 253 meters (830 feet) above sea level.

What time zone is Johnston in?

Johnston, IA is in the America/Chicago time zone.

What state is Johnston in?

Johnston is in the state of Iowa, United States.

What county is Johnston, IA in?

Johnston is in Polk County, Iowa.

How has the population of Johnston changed?

The population of Johnston, IA has increased from 17,278 (2010) to 23,092 (2020), a change of 33.6%.

Johnston, Iowa

Johnston: city in Iowa, United States

About

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 10 years in 2020 city had an estimated population of 23,092 inhabitants.

The city was created 57 years ago in 1968.

Johnston locator map — Location of Johnston on Iowa map.

Quick Facts about Johnston

Population	23,092 (2020)
Country	United States of America
State	Iowa (United States)
County	Polk County
Postal code	50131
Phone Area Codes	515
Area	47.47 km²
Latitude & Longitude	41.6730,-93.6977
Altitude	830 feet / 253 meters
Establishment	January 01, 1969 (57 years ago)
Time Zone	America/Chicago
Local time	22:23:19 (22nd April 2026)
Density	486 Pop. per km² as of 2020
Population growth	25.18% (2010-2020)
Weather	81℉ Sunny 7-days weather

Johnston welcome sign image

Geography

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

Johnston map

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Weather

81°F

Sunny

6 to 14 mph S Wednesday

Sunny, with a high near 81.

7-Day Forecast

Official website of Johnston

Official Website

Demographics

The population of Johnston increased by 25.18% in 10 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
2020	23,092	2.21%	estimation process

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

Services and Civic Places in Johnston

1Crown Point Community Center

Rating: 3.9 (13)

6300 Pioneer Pkwy, Johnston, IA 50131 View details

Phone: +15152513707

2Johnston City Water & Sewer

Rating: 3 (2)

6221 Merle Hay Rd, Johnston, IA 50131 View details

Phone: +15152782344 | Website available

3Johnston Public Works Department

Rating: 3 (2)

6400 NW Beaver Dr, Johnston, IA 50131 View details

Phone: +15152780822

4Johnston City Hall

6221 Merle Hay Rd, Johnston, IA 50131 View details

Phone: +15152782344 | Website available

People born in Johnston (3)

People born in Johnston, including DJ Steve James, ice hockey player Chad Costello, Miss Iowa 2011 Jessica Pray, .

More notable people

Nearby Schools and Colleges

Schools and campuses linked to Johnston, IA. Select a name to open its map and contact details.

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

Nearby Transit Stations (2)

Rail and bus stations connected to Johnston, IA. Select a station to open its map and address details.

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

Nearby Post Offices

Closest post offices linked to Johnston.

Post Office Name	City	ZIP
Johnston Post Office	Johnston (IA)	50131

Other places with the same name (2)

Johnston, South Carolina town in South Carolina, United States with a population of 2,395 people.
Johnston, Ohio township in Trumbull County, Ohio with a population of 1,844 people.

Other cities in Polk County

Cities, towns, neighborhoods & other populated places in Polk County , IA. (more)

City Name	Population	Title
Des Moines	212,312	The capital of Iowa.
Ankeny	70,068	The most populous city in Polk County, Iowa.
West Des Moines	69,057	The most populous city in Dallas County, Iowa.
Urbandale	44,650	A city in Polk County, Iowa.
Altoona	19,503	City in Polk County, Iowa, United States
Clive	17,444	Human settlement in Iowa, United States of America
Grimes	15,831	City in Iowa, United States
Pleasant Hill	10,025	American city in Iowa
Bondurant	7,293	City in Polk County, Iowa, United States of America
Polk City	4,961	American city in Iowa
Windsor Heights	4,735	City in Polk County, Iowa, United States
Saylorville	3,301	City in Polk County, Iowa, United States of America
Mitchellville	2,273	City in Iowa, United States
Elkhart	952	American city in Iowa
Runnells	498	City in Polk County, Iowa, United States
Alleman	447	City in Polk County, Iowa, United States

Distance to Other Cities

Johnston distances to largest Iowa cities