Latest Data (2016)
Population 72,706
Nationwide Rank 482

Quick Facts

Decatur, Illinois is the 482nd largest city in the United States as of 2016.

Decatur, Illinois is a city.

Decatur, Illinois is currently 14.9% smaller than it was in 1990, the year of its peak recorded population.

Decatur, Illinois's growth is extremely below average. 98% of similarly sized cities are growing faster since 2000.

Decatur, Illinois Border Map

Similarly Sized Cities In US

US Rank Name Population Growth
2000-2016
472 Appleton, Wisconsin 74,370 5.6%
473 Rapid City, South Dakota 74,048 23.3%
474 New Braunfels, Texas 73,959 91.6%
475 Albany, Georgia 73,801 -3.7%
476 Temple, Texas 73,600 33.3%
477 Flower Mound, Texas 73,547 42.0%
478 Rochester Hills, Michigan 73,422 6.4%
479 Southfield, Michigan 73,100 -6.6%
480 Rock Hill, South Carolina 72,937 43.6%
481 Turlock, California 72,796 27.8%
482 Decatur, Illinois 72,706 -11.2%
483 New Britain, Connecticut 72,558 1.3%
484 Apple Valley, California 72,553 32.8%
485 Bismarck, North Dakota 72,417 29.7%
486 Missoula, Montana 72,364 25.3%
487 Waukesha, Wisconsin 72,363 10.1%
488 Rancho Cordova, California 72,326 34.6%
489 Gulfport, Mississippi 72,076 0.8%
490 Lafayette, Indiana 71,782 16.8%
491 Lauderhill, Florida 71,626 7.0%
492 Flagstaff, Arizona 71,459 34.5%

Similarly Sized Cities In Illinois

US Rank Name Population Growth
2000-2016
241 Springfield 115,715 3.0%
244 Peoria 114,265 1.0%
256 Elgin 112,123 18.1%
367 Waukegan 88,182 -0.1%
381 Champaign 86,637 22.9%
404 Cicero 82,992 -2.9%
433 Bloomington 78,005 18.7%
460 Arlington Heights 75,525 -1.2%
463 Evanston 74,895 1.0%
467 Bolingbrook 74,518 30.8%
468 Schaumburg 74,446 -1.1%
482 Decatur 72,706 -11.2%
513 Palatine 68,766 3.6%
566 Skokie 64,270 1.4%
638 Orland Park 58,862 14.4%
646 Des Plaines 58,141 1.8%
660 Tinley Park 56,831 15.4%
667 Oak Lawn 56,257 1.8%
672 Berwyn 55,748 3.3%
698 Normal 54,264 18.9%
700 Mount Prospect 54,171 -3.6%
708 Wheaton 53,389 -3.9%
739 Oak Park 51,774 -1.3%
740 Hoffman Estates 51,738 4.1%
764 Downers Grove 49,473 -0.4%
807 Glenview 47,475 9.9%
825 Elmhurst 46,387 7.6%
861 Lombard 43,815 2.7%
870 DeKalb 43,194 10.2%
877 Plainfield 42,933 212.3%
895 Moline 42,250 -3.8%
900 Urbana 42,014 11.0%
903 Belleville 41,906 -1.0%
917 Buffalo Grove 41,346 -4.4%
921 Bartlett 41,178 11.8%
932 Quincy 40,531 -0.3%
938 Crystal Lake 40,339 5.1%
941 Streamwood 40,166 9.6%
944 Carol Stream 40,069 -1.0%
955 Romeoville 39,706 79.7%
993 Wheeling 38,315 5.6%
995 Carpentersville 38,291 23.0%
998 Rock Island 38,210 -3.6%
1003 Hanover Park 38,044 -0.6%
1021 Park Ridge 37,496 -0.7%
1032 Addison 36,902 1.3%
1037 Calumet City 36,732 -5.8%

Demographics

Population History

Year Population Rank in US
2016 72,706 482
2015 73,254 474
2014 74,010 457
2013 74,710 448
2012 75,407 439
2011 75,852 430
2010 76,122 419
2009 76,199 405
2008 76,276 401
2007 76,700 393
2006 76,964 385
2005 77,565 375
2004 78,168 370
2003 78,749 362
2002 79,776 354
2001 80,911 341
2000 81,912 326
1990 85,424 255