Map of Colorado
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How many counties are in Colorado?
Colorado has 64 counties. The list below includes each county, its FIPS code, and population.
Colorado county table
County list for Colorado with county FIPS codes and population totals.
| County | State | County FIPS | Population |
|---|---|---|---|
| El Paso County | CO | 08041 | 744,215 |
| Denver County | CO | 08031 | 716,577 |
| Arapahoe County | CO | 08005 | 656,061 |
| Jefferson County | CO | 08059 | 576,366 |
| Adams County | CO | 08001 | 533,365 |
| Douglas County | CO | 08035 | 383,906 |
| Larimer County | CO | 08069 | 370,771 |
| Weld County | CO | 08123 | 359,442 |
| Boulder County | CO | 08013 | 326,831 |
| Pueblo County | CO | 08101 | 169,422 |
| Mesa County | CO | 08077 | 159,681 |
| Broomfield County | CO | 08014 | 76,860 |
| Garfield County | CO | 08045 | 62,707 |
| La Plata County | CO | 08067 | 56,407 |
| Eagle County | CO | 08037 | 54,381 |
| Fremont County | CO | 08043 | 50,318 |
| Montrose County | CO | 08085 | 44,156 |
| Delta County | CO | 08029 | 31,746 |
| Summit County | CO | 08117 | 30,465 |
| Morgan County | CO | 08087 | 29,524 |
| Elbert County | CO | 08039 | 28,806 |
| Montezuma County | CO | 08083 | 26,531 |
| Routt County | CO | 08107 | 25,064 |
| Teller County | CO | 08119 | 24,617 |
| Logan County | CO | 08075 | 20,619 |
| Chaffee County | CO | 08015 | 20,617 |
| Otero County | CO | 08089 | 18,136 |
| Park County | CO | 08093 | 18,117 |
| Gunnison County | CO | 08051 | 17,321 |
| Alamosa County | CO | 08003 | 16,655 |
| Pitkin County | CO | 08097 | 16,640 |
| Grand County | CO | 08049 | 15,935 |
| Las Animas County | CO | 08071 | 14,348 |
| Archuleta County | CO | 08007 | 14,189 |
| Moffat County | CO | 08081 | 13,327 |
| Prowers County | CO | 08099 | 11,751 |
| Rio Grande County | CO | 08105 | 11,188 |
| Yuma County | CO | 08125 | 9,862 |
| Clear Creek County | CO | 08019 | 9,147 |
| San Miguel County | CO | 08113 | 7,868 |
| Conejos County | CO | 08021 | 7,521 |
| Lake County | CO | 08065 | 7,365 |
| Huerfano County | CO | 08055 | 7,055 |
| Kit Carson County | CO | 08063 | 6,994 |
| Saguache County | CO | 08109 | 6,688 |
| Rio Blanco County | CO | 08103 | 6,569 |
| Gilpin County | CO | 08047 | 5,926 |
| Bent County | CO | 08011 | 5,681 |
| Crowley County | CO | 08025 | 5,636 |
| Custer County | CO | 08027 | 5,534 |
| Lincoln County | CO | 08073 | 5,480 |
| Ouray County | CO | 08091 | 5,176 |
| Washington County | CO | 08121 | 4,855 |
| Phillips County | CO | 08095 | 4,476 |
| Costilla County | CO | 08023 | 3,628 |
| Baca County | CO | 08009 | 3,344 |
| Dolores County | CO | 08033 | 2,513 |
| Sedgwick County | CO | 08115 | 2,299 |
| Cheyenne County | CO | 08017 | 1,727 |
| Kiowa County | CO | 08061 | 1,384 |
| Jackson County | CO | 08057 | 1,309 |
| Mineral County | CO | 08079 | 944 |
| San Juan County | CO | 08111 | 802 |
| Hinsdale County | CO | 08053 | 765 |