Colorado
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Colorado / Counties by Population
The data is from the US Census. Below are 64 Colorado counties ranked 1 through 64 . You can copy and paste this list directly into your favorite spreadsheet program. Don't you just adore lovely numbers listed nicely in columns & rows? We do!
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| Rank | County | Population |
|---|---|---|
| 1 | Denver County | 693,417 |
| 2 | El Paso County | 688,153 |
| 3 | Arapahoe County | 636,671 |
| 4 | Jefferson County | 570,427 |
| 5 | Adams County | 497,115 |
| 6 | Larimer County | 338,161 |
| 7 | Douglas County | 328,614 |
| 8 | Boulder County | 321,030 |
| 9 | Weld County | 295,123 |
| 10 | Pueblo County | 164,685 |
| 11 | Mesa County | 149,998 |
| 12 | Broomfield County | 66,120 |
| 13 | Garfield County | 58,538 |
| 14 | La Plata County | 55,101 |
| 15 | Eagle County | 54,357 |
| 16 | Fremont County | 47,002 |
| 17 | Montrose County | 41,268 |
| 18 | Summit County | 30,429 |
| 19 | Delta County | 30,346 |
| 20 | Morgan County | 28,257 |
| 21 | Montezuma County | 25,909 |
| 22 | Elbert County | 25,162 |
| 23 | Routt County | 24,874 |
| 24 | Teller County | 24,113 |
| 25 | Logan County | 21,689 |
| 26 | Chaffee County | 19,164 |
| 27 | Otero County | 18,325 |
| 28 | Pitkin County | 17,909 |
| 29 | Park County | 17,392 |
| 30 | Gunnison County | 16,537 |
| 31 | Alamosa County | 16,444 |
| 32 | Grand County | 15,066 |
| 33 | Las Animas County | 14,179 |
| 34 | Moffat County | 13,060 |
| 35 | Archuleta County | 12,908 |
| 36 | Prowers County | 12,052 |
| 37 | Rio Grande County | 11,351 |
| 38 | Yuma County | 10,069 |
| 39 | Clear Creek County | 9,379 |
| 40 | Conejos County | 8,142 |
| 41 | San Miguel County | 7,968 |
| 42 | Kit Carson County | 7,635 |
| 43 | Lake County | 7,585 |
| 44 | Huerfano County | 6,583 |
| 45 | Saguache County | 6,468 |
| 46 | Rio Blanco County | 6,465 |
| 47 | Gilpin County | 5,924 |
| 48 | Bent County | 5,809 |
| 49 | Crowley County | 5,630 |
| 50 | Lincoln County | 5,548 |
| 51 | Washington County | 4,840 |
| 52 | Ouray County | 4,722 |
| 53 | Custer County | 4,640 |
| 54 | Phillips County | 4,318 |
| 55 | Costilla County | 3,687 |
| 56 | Baca County | 3,563 |
| 57 | Sedgwick County | 2,350 |
| 58 | Cheyenne County | 2,039 |
| 59 | Dolores County | 1,841 |
| 60 | Kiowa County | 1,449 |
| 61 | Jackson County | 1,296 |
| 62 | Hinsdale County | 878 |
| 63 | Mineral County | 823 |
| 64 | San Juan County | 544 |
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United States Census Bureau. Annual Estimates of the Resident Population: April 1, 2010 to July 1, 2018. U.S. Census Bureau, Population Division. Web. May 2019. http://www.census.gov/. United States Census Bureau. B01001 SEX BY AGE, 2018 American Community Survey 5-Year Estimates. U.S. Census Bureau, American Community Survey Office. Web. 19 December 2019. http://www.census.gov/. |
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