Latest Data (2017)
Population 21,562
Nationwide Rank 1708

Quick Facts

Johnston, Iowa is the 1,708th largest city in the United States as of 2017.

Johnston, Iowa is a city.

Johnston, Iowa is as large as it has ever been. In 2017 Johnston had its largest population ever.

Johnston, Iowa is growing extremely quickly. It is growing faster than 95% of similarly sized cities since 2000.

Johnston, Iowa Border Map

Similarly Sized Cities In US

US Rank Name Population Growth
2000-2017
1698 Belton, Texas 21,734 37.4%
1699 Pascagoula, Mississippi 21,733 -16.9%
1700 Prichard, Alabama 21,732 -23.8%
1701 South Holland, Illinois 21,732 -2.2%
1702 Clarksville, Indiana 21,694 1.1%
1703 Park Forest, Illinois 21,682 -7.7%
1704 La Porte, Indiana 21,681 0.3%
1705 South Euclid, Ohio 21,598 -8.0%
1706 Gardner, Kansas 21,583 121.7%
1707 Sedalia, Missouri 21,568 6.0%
1708 Johnston, Iowa 21,562 139.7%
1709 Carrboro, North Carolina 21,544 21.6%
1710 Shelbyville, Tennessee 21,532 31.7%
1711 Golden Valley, Minnesota 21,520 5.7%
1712 Chillicothe, Ohio 21,499 -2.9%
1713 Biddeford, Maine 21,488 2.0%
1714 Perrysburg, Ohio 21,482 21.7%
1715 Mukilteo, Washington 21,469 18.5%
1716 Lino Lakes, Minnesota 21,407 26.0%
1717 Clayton, North Carolina 21,405 149.0%
1718 Albertville, Alabama 21,392 22.7%

Similarly Sized Cities In Iowa

US Rank Name Population Growth
2000-2017
918 Cedar Falls 41,570 14.8%
975 Marion 39,400 48.3%
1076 Bettendorf 35,813 14.4%
1371 Mason City 27,399 -6.0%
1374 Marshalltown 27,280 4.8%
1470 Clinton 25,480 -8.0%
1500 Burlington 25,022 -6.5%
1541 Ottumwa 24,454 -1.9%
1551 Fort Dodge 24,305 -7.5%
1584 Muscatine 23,782 4.7%
1708 Johnston 21,562 139.7%
1754 Coralville 20,881 37.2%
1773 Waukee 20,649 269.9%
1915 North Liberty 18,813 243.1%
1924 Altoona 18,699 78.9%
2056 Clive 17,172 32.1%
2176 Indianola 15,990 21.2%
2264 Newton 15,109 -3.1%
2569 Grimes 12,742 148.6%
2598 Boone 12,510 -2.3%
2767 Oskaloosa 11,546 5.0%
2853 Spencer 11,045 -2.5%
2877 Norwalk 10,896 54.4%

Demographics

Population History

Year Population Rank in US
2017 21,562 1,708
2016 21,114 1,723
2015 20,871 1,731
2014 20,359 1,759
2013 19,798 1,784
2012 18,728 1,866
2011 18,036 1,916
2010 17,278 1,966
2009 15,918 2,063
2008 15,580 2,079
2007 15,268 2,095
2006 14,457 2,172
2005 13,632 2,245
2004 12,411 2,412
2003 11,161 2,581
2002 10,237 2,743
2001 9,455 2,873
2000 8,995 2,974
1990 4,937 4,105