Latest Data (2016)
Population 57,666
Nationwide Rank 651

Quick Facts

Castle Rock, Colorado is the 651st largest city in the United States as of 2016.

Castle Rock, Colorado is a town.

Castle Rock, Colorado is as large as it has ever been. In 2016 Castle Rock had its largest population ever.

Castle Rock, Colorado is growing extremely quickly. It is growing faster than 100% of similarly sized cities since 2000.

Castle Rock, Colorado Border Map

Similarly Sized Cities In US

US Rank Name Population Growth
2000-2016
641 Sanford, Florida 58,605 49.5%
642 Dubuque, Iowa 58,531 1.4%
643 Arcadia, California 58,523 10.0%
644 Bowie, Maryland 58,393 11.7%
645 White Plains, New York 58,241 9.2%
646 Des Plaines, Illinois 58,141 1.8%
647 Doral, Florida 57,947 174.2%
648 Margate, Florida 57,870 7.2%
649 Santee, California 57,834 9.0%
650 Kokomo, Indiana 57,799 23.2%
651 Castle Rock, Colorado 57,666 175.5%
652 Grand Forks, North Dakota 57,339 16.4%
653 Midwest City, Oklahoma 57,305 5.5%
654 St. Peters, Missouri 57,289 11.2%
655 Medford, Massachusetts 57,213 2.7%
656 Corvallis, Oregon 57,110 15.5%
657 Hendersonville, Tennessee 57,050 38.9%
658 New Brunswick, New Jersey 56,910 17.7%
659 Taunton, Massachusetts 56,843 1.2%
660 Tinley Park, Illinois 56,831 15.4%
661 Diamond Bar, California 56,793 0.7%

Similarly Sized Cities In Colorado

US Rank Name Population Growth
2000-2016
247 Westminster 113,875 12.3%
266 Pueblo 110,291 7.9%
268 Centennial 109,932 7.3%
276 Boulder 108,090 14.2%
291 Greeley 103,990 32.6%
339 Longmont 92,858 28.5%
446 Loveland 76,897 48.2%
542 Broomfield 66,529 68.1%
593 Grand Junction 61,881 35.5%
651 Castle Rock 57,666 175.5%
687 Commerce City 54,869 159.4%
747 Parker 51,163 106.8%
828 Littleton 46,333 14.5%
975 Northglenn 38,982 20.1%
994 Brighton 38,314 79.9%
1116 Englewood 34,050 6.5%
1206 Wheat Ridge 31,372 -4.5%

Demographics

Population History

Year Population Rank in US
2016 57,666 651
2015 55,591 671
2014 55,747 661
2013 53,063 692
2012 51,348 709
2011 50,085 718
2010 48,231 744
2009 45,691 772
2008 44,362 787
2007 42,337 811
2006 39,077 872
2005 35,249 963
2004 32,313 1,032
2003 29,709 1,112
2002 25,769 1,268
2001 23,192 1,385
2000 20,924 1,517
1990 8,244 2,851