The graph below ranks each Colorado County by total residents according to the 2006 census estimates.

Colorado total population by county

CountyTotal Population
El PasoEl Paso County total population - 576,884576,884  
DenverDenver County total population - 566,974566,974
ArapahoeArapahoe County total population - 537,197537,197
JeffersonJefferson County total population - 526,994526,994
AdamsAdams County total population - 414,338414,338
BoulderBoulder County total population - 282,304282,304
LarimerLarimer County total population - 276,253276,253
DouglasDouglas County total population - 263,621263,621
WeldWeld County total population - 236,857236,857
PuebloPueblo County total population - 152,912152,912
MesaMesa County total population - 134,189134,189
GarfieldGarfield County total population - 51,90851,908
EagleEagle County total population - 49,08549,085
FremontFremont County total population - 48,01048,010
La PlataLa Plata County total population - 47,93647,936
BroomfieldBroomfield County total population - 45,11645,116
MontroseMontrose County total population - 38,55938,559
DeltaDelta County total population - 30,40130,401
MorganMorgan County total population - 28,10928,109
SummitSummit County total population - 25,39925,399
MontezumaMontezuma County total population - 25,21725,217
ElbertElbert County total population - 23,18123,181
TellerTeller County total population - 22,24322,243
RouttRoutt County total population - 21,58021,580
LoganLogan County total population - 20,78020,780
OteroOtero County total population - 19,45219,452
ParkPark County total population - 17,15717,157
ChaffeeChaffee County total population - 16,91816,918
Las AnimasLas Animas County total population - 15,56415,564
AlamosaAlamosa County total population - 15,22515,225
PitkinPitkin County total population - 14,79814,798
GunnisonGunnison County total population - 14,33114,331
ProwersProwers County total population - 13,77613,776
MoffatMoffat County total population - 13,68013,680
GrandGrand County total population - 13,40613,406
ArchuletaArchuleta County total population - 12,38612,386
Rio GrandeRio Grande County total population - 12,00612,006
YumaYuma County total population - 9,8299,829
Clear CreekClear Creek County total population - 9,1309,130
ConejosConejos County total population - 8,4068,406
LakeLake County total population - 7,8147,814
HuerfanoHuerfano County total population - 7,8087,808
Kit CarsonKit Carson County total population - 7,5907,590
San MiguelSan Miguel County total population - 7,1437,143
SaguacheSaguache County total population - 7,0067,006
Rio BlancoRio Blanco County total population - 6,1806,180
BentBent County total population - 5,5515,551
LincolnLincoln County total population - 5,4585,458
CrowleyCrowley County total population - 5,3865,386
GilpinGilpin County total population - 5,0425,042
WashingtonWashington County total population - 4,6304,630
PhillipsPhillips County total population - 4,6014,601
OurayOuray County total population - 4,3074,307
BacaBaca County total population - 4,0174,017
CusterCuster County total population - 3,9263,926
CostillaCostilla County total population - 3,3783,378
SedgwickSedgwick County total population - 2,4672,467
DoloresDolores County total population - 1,9111,911
CheyenneCheyenne County total population - 1,9061,906
KiowaKiowa County total population - 1,4131,413
JacksonJackson County total population - 1,4061,406
MineralMineral County total population - 929929
HinsdaleHinsdale County total population - 819819
San JuanSan Juan County total population - 578578

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Colorado population comparison tables
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Black:
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Hawaiian & Pacific Islander:
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Colorado Public Records

Colorado Court Records