USA - Colorado

Census Results

1960-04-01 1,753,947
1970-04-01 2,207,259
1980-04-01 2,889,964
1990-04-01 3,294,394
2000-04-01 4,301,261
2010-04-01 5,029,196

General Information

Official name Colorado
Official name [native] Colorado
Capital Denver
Capital [native] Denver
ISO code US-CO
Statistical agency Bureau of the Census, USA

Administrative units

codecountiescapitalarea (sq.km.)population
2000-04-01
census
population
2010-04-01
census
population
2011-07-01
estimate
08001Adams CountyBrighton3,066.28363,857441,603451,443
08003Alamosa CountyAlamosa1,873.4414,96615,44515,710
08005Arapahoe CountyLittleton2,086.07487,967572,003584,948
08007Archuleta CountyPagosa Springs3,510.779,89812,08412,013
08009Baca CountySpringfield6,623.484,5173,7883,795
08011Bent CountyLas Animas3,991.395,9986,4996,250
08013Boulder CountyBoulder1,917.55291,288294,567299,378
08014Broomfield CountyBroomfield87.02 55,88957,352
08015Chaffee CountySalida2,628.7216,24217,80917,932
08017Cheyenne CountyCheyenne Wells4,613.882,2311,8361,876
08019Clear Creek CountyGeorgetown1,026.919,3229,0889,012
08021Conejos CountyConejos3,343.568,4008,2568,291
08023Costilla CountySan Luis3,186.623,6633,5243,662
08025Crowley CountyOrdway2,072.845,5185,8235,736
08027Custer CountyWestcliffe1,916.403,5034,2554,205
08029Delta CountyDelta2,974.8627,83430,95230,451
08031Denver CountyDenver400.49554,636600,158619,968
08033Dolores CountyDove Creek2,766.371,8442,0642,056
08035Douglas CountyCastle Rock2,183.02175,766285,465292,167
08037Eagle CountyEagle4,381.7241,65952,19751,854
08039Elbert CountyKiowa4,794.1119,87223,08623,174
08041El Paso CountyColorado Springs5,515.50516,929622,263636,963
08043Fremont CountyCanon City3,972.8646,14546,82447,347
08045Garfield CountyGlenwood Springs7,655.5843,79156,38956,270
08047Gilpin CountyCentral City389.174,7575,4415,467
08049Grand CountyHot Sulphur Springs4,842.2212,44214,84314,548
08051Gunnison CountyGunnison8,442.4013,95615,32415,408
08053Hinsdale CountyLake City2,908.99790843830
08055Huerfano CountyWalsenburg4,126.477,8626,7116,520
08057Jackson CountyWalden4,198.271,5771,3941,370
08059Jefferson CountyGolden2,004.74527,056534,543539,884
08061Kiowa CountyEads4,625.531,6221,3981,433
08063Kit Carson CountyBurlington5,598.758,0118,2708,142
08065Lake CountyDurango994.327,8127,3107,427
08067La Plata CountyLeadville4,402.2243,94151,33451,917
08069Larimer CountyFort Collins6,821.91251,494299,630305,525
08071Las Animas CountyTrinidad12,368.0915,20715,50715,037
08073Lincoln CountyHugo6,698.806,0875,4675,454
08075Logan CountySterling4,778.1820,50422,70922,619
08077Mesa CountyGrand Junction8,653.47116,255146,723147,083
08079Mineral CountyCreede2,273.19831712708
08081Moffat CountyCraig12,304.8113,18413,79513,451
08083Montezuma CountyCortez5,283.9723,83025,53525,442
08085Montrose CountyMontrose5,808.3033,43241,27641,011
08087Morgan CountyFort Morgan3,350.7827,17128,15928,175
08089Otero CountyLa Junta3,288.5220,31118,83118,865
08091Ouray CountyOuray1,404.323,7424,4364,356
08093Park CountyFairplay5,725.5714,52316,20616,089
08095Phillips CountyHolyoke1,782.034,4804,4424,399
08097Pitkin CountyAspen2,520.5614,87217,14817,102
08099Prowers CountyLamar4,258.7714,48312,55112,549
08101Pueblo CountyPueblo6,210.26141,472159,063160,545
08103Rio Blanco CountyMeeker8,347.055,9866,6666,782
08105Rio Grande CountyDel Norte2,362.9412,41311,98211,956
08107Routt CountySteamboat Springs6,133.4419,69023,50923,239
08109Saguache CountySaguache8,210.905,9176,1086,228
08111San Juan CountySilverton1,005.62558699692
08113San Miguel CountyTelluride3,337.526,5947,3597,490
08115Sedgwick CountyJulesburg1,422.952,7472,3792,364
08117Summit CountyBreckenridge1,603.9223,54827,99427,972
08119Teller CountyCripple Creek1,447.7120,55523,35023,356
08121Washington CountyAkron6,536.884,9264,8144,770
08123Weld CountyGreeley10,403.45180,936252,825258,638
08125Yuma CountyWray6,134.919,84110,04310,100
 total 269,601.364,301,2615,029,1965,116,796
source: Bureau of the Census, USA.

Main cities

namepopulation
1990-04-01
census
population
2000-04-01
census
population
2010-04-01
census
population
2011-07-01
estimate
Denver467,610554,636600,158619,968
Colorado Springs281,140360,890416,427426,388
Aurora222,103276,393325,078332,354
Fort Collins87,758118,652143,986146,762
Lakewood126,481144,126142,980144,406
Thornton55,03182,384118,772121,435
Westminster74,625100,940106,114107,967
Pueblo98,640102,121106,595107,577
Arvada89,235102,153106,433107,541
Centennial....100,377102,603
Boulder....97,38598,889
Highlands Ranch....96,713..
Greeley....92,88994,962
Longmont....86,27087,712
Loveland....66,85968,203
Grand Junction....58,56658,704
Broomfield....55,88957,352
source: Bureau of the Census, USA.