Latest Data (2016)
Population 136,703
Nationwide Rank 191

Quick Facts

Thornton, Colorado is the 191st largest city in the United States as of 2016.

Thornton, Colorado is a city.

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

Thornton, Colorado is growing extremely quickly. It is growing faster than 91% of similarly sized cities since 2000.

Thornton, Colorado Border Map

Similarly Sized Cities In US

US Rank Name Population Growth
2000-2016
181 Mesquite, Texas 143,736 14.9%
182 Killeen, Texas 143,400 59.0%
183 Syracuse, New York 143,378 -1.8%
184 McAllen, Texas 142,212 32.8%
185 Pasadena, California 142,059 5.5%
186 Bellevue, Washington 141,400 25.7%
187 Fullerton, California 140,721 11.2%
188 Orange, California 140,504 8.1%
189 Dayton, Ohio 140,489 -15.2%
190 Miramar, Florida 138,449 85.7%
191 Thornton, Colorado 136,703 64.1%
192 West Valley City, Utah 136,574 25.0%
193 Olathe, Kansas 135,473 44.3%
194 Hampton, Virginia 135,410 -7.5%
195 Warren, Michigan 135,125 -2.1%
196 Midland, Texas 134,610 41.6%
197 Waco, Texas 134,432 17.2%
198 Charleston, South Carolina 134,385 35.7%
199 Columbia, South Carolina 134,309 12.5%
200 Denton, Texas 133,808 59.9%
201 Carrollton, Texas 133,351 20.9%

Similarly Sized Cities In Colorado

US Rank Name Population Growth
2000-2016
155 Fort Collins 164,207 36.7%
164 Lakewood 154,393 6.9%
191 Thornton 136,703 64.1%
236 Arvada 117,453 14.8%
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%

Demographics

Population History

Year Population Rank in US
2016 136,703 191
2015 133,451 196
2014 130,307 197
2013 127,359 205
2012 124,140 212
2011 121,690 212
2010 118,772 212
2009 117,628 213
2008 114,197 218
2007 110,653 225
2006 107,444 227
2005 103,815 239
2004 100,653 250
2003 96,952 261
2002 93,436 273
2001 88,112 295
2000 83,269 318
1990 55,146 452