Latest Data (2018)
Population 42,611
Nationwide Rank 901

Quick Facts

DeKalb, Illinois is the 901st largest city in the United States as of 2018.

DeKalb, Illinois is a city.

DeKalb, Illinois is currently 2.9% smaller than it was in 2010, the year of its peak recorded population.

DeKalb, Illinois's growth is about average. 54% of similarly sized cities are growing faster since 2000.

DeKalb, Illinois Border Map

Similarly Sized Cities In US

US Rank Name Population Growth
2000-2018
891 San Bruno, California 43,047 7.1%
892 Freeport, New York 43,044 -1.7%
893 Winter Haven, Florida 43,020 56.9%
894 Fond du Lac, Wisconsin 42,959 1.6%
895 Burlington, Vermont 42,899 7.6%
896 Goose Creek, South Carolina 42,841 35.7%
897 Jefferson City, Missouri 42,838 5.5%
898 Edmonds, Washington 42,767 8.1%
899 Lompoc, California 42,760 3.7%
900 Fairfield, Ohio 42,613 1.1%
901 DeKalb, Illinois 42,611 8.7%
902 Mankato, Minnesota 42,610 30.7%
903 Linden, New Jersey 42,538 7.8%
904 Pittsfield, Massachusetts 42,533 -6.9%
905 Queen Creek, Arizona 42,503 1210.2%
906 Brentwood, Tennessee 42,502 61.3%
907 Campbell, California 42,466 9.0%
908 Sherman, Texas 42,462 20.6%
909 State College, Pennsylvania 42,352 10.3%
910 Bell Gardens, California 42,331 -4.0%
911 Beverly, Massachusetts 42,312 6.1%

Similarly Sized Cities In Illinois

US Rank Name Population Growth
2000-2018
423 Cicero 81,597 -4.5%
447 Bloomington 77,962 18.6%
472 Arlington Heights 75,249 -1.6%
473 Bolingbrook 75,178 31.9%
485 Evanston 74,106 0.0%
489 Schaumburg 73,509 -2.3%
507 Decatur 71,290 -12.9%
535 Palatine 68,053 2.5%
594 Skokie 63,280 -0.1%
642 Des Plaines 58,959 3.2%
652 Orland Park 58,312 13.4%
681 Tinley Park 56,204 14.1%
689 Oak Lawn 55,511 0.5%
701 Berwyn 54,917 1.7%
705 Normal 54,742 19.9%
713 Mount Prospect 54,198 -3.5%
735 Wheaton 53,150 -4.3%
744 Oak Park 52,265 -0.4%
759 Hoffman Estates 51,197 3.0%
784 Downers Grove 49,387 -0.5%
831 Glenview 47,258 9.4%
841 Elmhurst 46,558 8.0%
866 Lombard 44,523 4.4%
875 Plainfield 44,138 221.1%
901 DeKalb 42,611 8.7%
914 Urbana 42,046 11.0%
916 Moline 41,902 -4.6%
935 Belleville 41,290 -2.5%
945 Bartlett 40,931 11.1%
948 Buffalo Grove 40,853 -5.5%
967 Quincy 40,042 -1.5%
968 Crystal Lake 40,036 4.4%
983 Romeoville 39,624 79.4%
985 Carol Stream 39,601 -2.2%
986 Streamwood 39,570 8.0%
1001 Wheeling 38,878 7.1%
1026 Hanover Park 37,747 -1.3%
1027 Carpentersville 37,744 21.2%
1028 Rock Island 37,678 -4.9%
1041 Park Ridge 37,240 -1.4%
1053 Addison 36,724 0.8%
1072 Calumet City 36,240 -7.1%
1103 Oswego 35,237 153.5%
1139 Glendale Heights 33,928 6.0%
1154 Woodridge 33,566 7.8%
1165 Northbrook 33,167 -1.1%
1170 St. Charles 33,032 16.9%
1186 Elk Grove Village 32,458 -6.6%
1194 Pekin 32,255 -4.8%
1229 Mundelein 31,234 0.3%
1238 Algonquin 30,910 32.9%
1240 Danville 30,898 -10.1%
1248 Gurnee 30,576 5.6%
1256 Galesburg 30,432 -9.7%
1282 North Chicago 29,770 -17.2%
1291 Highland Park 29,622 -2.3%
1292 O'Fallon 29,584 32.8%
1293 Chicago Heights 29,571 -9.7%
1306 Niles 29,184 -2.8%
1321 Lake in the Hills 28,835 19.7%
1329 Burbank 28,534 2.2%
1331 Granite City 28,476 -10.7%
1352 Glen Ellyn 27,928 2.5%
1364 Lansing 27,657 -2.2%
1374 Huntley 27,440 341.2%
1375 Oak Forest 27,406 -2.8%
1378 Round Lake Beach 27,325 4.4%
1382 Wilmette 27,265 -1.2%
1399 West Chicago 27,045 13.2%
1401 McHenry 27,022 23.9%
1416 New Lenox 26,780 45.7%
1420 Vernon Hills 26,641 30.7%
1429 Alton 26,528 -12.9%
1443 East St. Louis 26,346 -16.5%
1444 Batavia 26,316 7.8%
1455 Kankakee 26,052 -5.7%
1480 Lockport 25,508 62.3%
1485 Carbondale 25,376 -3.3%
1495 Woodstock 25,268 24.3%
1498 Belvidere 25,194 18.8%
1514 Edwardsville 24,969 11.5%
1517 Melrose Park 24,925 7.5%
1537 Westmont 24,647 -1.0%
1538 Harvey 24,641 -17.7%
1541 Collinsville 24,621 -1.3%
1547 Homer Glen 24,582 9.5%
1568 Elmwood Park 24,263 -4.3%
1584 Freeport 23,920 -9.3%
1597 Rolling Meadows 23,748 -3.6%
1601 Zion 23,705 3.0%
1612 South Elgin 23,447 41.8%
1615 Lisle 23,394 3.4%
1619 Maywood 23,368 -13.3%
1621 Loves Park 23,342 14.7%
1628 Blue Island 23,112 -1.4%
1642 Morton Grove 22,943 2.3%
1652 Machesney Park 22,695 9.1%
1655 Roselle 22,656 -2.8%
1661 East Peoria 22,561 -0.5%
1663 Dolton 22,547 -11.8%
1693 Darien 21,954 -4.4%
1697 Bloomingdale 21,894 0.6%
1702 Geneva 21,861 10.5%
1714 Villa Park 21,695 -2.8%
1733 South Holland 21,503 -3.2%
1736 Park Forest 21,429 -8.8%

Demographics

Population History

Year Population Rank in US
2018 42,611 901
2017 43,193 882
2016 43,194 870
2015 43,211 867
2014 44,054 840
2013 43,849 840
2012 43,842 831
2011 43,800 825
2010 43,862 819
2009 45,734 771
2008 45,444 774
2007 45,253 767
2006 44,392 772
2005 43,411 777
2004 42,823 780
2003 42,045 784
2002 40,807 800
2001 40,028 813
2000 39,196 819
1990 36,044 759