Latest Data (2015)
Population 43,211
Nationwide Rank 867

Quick Facts

DeKalb, Illinois is the 867th largest city in the United States as of 2015.

DeKalb, Illinois is a city.

DeKalb, Illinois is currently 1.5% smaller than it was in 2010, the year of its peak recorded population.

DeKalb, Illinois's growth is about average. 50% of similarly sized cities are growing faster since 2000.

DeKalb, Illinois Border Map

Similarly Sized Cities

Rank Name Growth
2000-2015
861 Ocoee, Florida 75.7%
862 Oro Valley, Arizona 32.9%
863 Bozeman, Montana 54.5%
864 Sierra Vista, Arizona 14.6%
865 Freeport, New York -1.0%
866 Pittsfield, Massachusetts -5.2%
867 DeKalb, Illinois 10.2%
868 San Bruno, California 7.5%
869 Jefferson City, Missouri 6.3%
870 Altamonte Springs, Florida 4.5%
871 Bell Gardens, California -2.2%
872 Morgan Hill, California 25.7%
873 Bothell, Washington 40.9%

Demographics

Population History

Year Population Rank in US
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