Latest Data (2018)
Population 107,353
Nationwide Rank 284

Quick Facts

Boulder, Colorado is the 284th largest city in the United States as of 2018.

Boulder, Colorado is a city.

Boulder, Colorado is as large as it has ever been. In 2018 Boulder had its largest population ever.

Boulder, Colorado's growth is about average. 53% of similarly sized cities are growing faster since 2000.

Boulder, Colorado Border Map

Similarly Sized Cities In US

US Rank Name Population Growth
2000-2018
274 Gresham, Oregon 110,158 21.5%
275 Richmond, California 110,146 10.5%
276 Billings, Montana 109,550 19.1%
277 Inglewood, California 109,419 -2.9%
278 Broken Arrow, Oklahoma 109,171 35.3%
279 Sandy Springs, Georgia 108,797 28.0%
280 Jurupa Valley, California 108,393
281 Hillsboro, Oregon 108,389 51.9%
282 Waterbury, Connecticut 108,093 0.7%
283 Santa Maria, California 107,408 37.5%
284 Boulder, Colorado 107,353 13.4%
285 Greeley, Colorado 107,348 36.9%
286 Daly City, California 107,008 3.2%
287 Meridian, Idaho 106,804 190.8%
288 Lewisville, Texas 106,586 35.9%
289 Davie, Florida 106,558 29.6%
290 West Covina, California 106,311 0.9%
291 League City, Texas 106,244 131.5%
292 Tyler, Texas 105,729 25.1%
293 Norwalk, California 105,120 0.5%
294 San Mateo, California 105,025 13.2%

Similarly Sized Cities In Colorado

US Rank Name Population Growth
2000-2018
157 Fort Collins 167,830 39.7%
162 Lakewood 156,798 8.5%
194 Thornton 139,436 67.4%
236 Arvada 120,492 17.8%
256 Westminster 113,479 11.9%
264 Pueblo 111,750 9.4%
272 Centennial 110,831 8.1%
284 Boulder 107,353 13.4%
285 Greeley 107,348 36.9%
328 Longmont 96,577 33.6%
448 Loveland 77,446 49.2%
521 Broomfield 69,267 75.0%
578 Castle Rock 64,827 209.8%
593 Grand Junction 63,374 38.8%
651 Commerce City 58,449 176.3%
686 Parker 55,636 124.9%

Demographics

Population History

Year Population Rank in US
2018 107,353 284
2017 107,125 280
2016 108,090 276
2015 107,349 276
2014 105,112 278
2013 103,166 279
2012 101,808 280
2011 100,579 284
2010 97,385 291
2009 100,160 276
2008 99,466 274
2007 98,521 272
2006 98,305 267
2005 97,233 267
2004 96,412 268
2003 95,895 267
2002 95,759 262
2001 94,984 262
2000 94,598 260
1990 86,098 249