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 | 704,621 |
| 2 | El Paso County | 699,232 |
| 3 | Arapahoe County | 643,052 |
| 4 | Jefferson County | 574,613 |
| 5 | Adams County | 503,167 |
| 6 | Larimer County | 343,976 |
| 7 | Douglas County | 335,299 |
| 8 | Boulder County | 322,514 |
| 9 | Weld County | 304,633 |
| 10 | Pueblo County | 166,475 |
| 11 | Mesa County | 151,616 |
| 12 | Broomfield County | 68,341 |
| 13 | Garfield County | 59,118 |
| 14 | La Plata County | 55,589 |
| 15 | Eagle County | 54,772 |
| 16 | Fremont County | 47,559 |
| 17 | Montrose County | 41,784 |
| 18 | Summit County | 30,585 |
| 19 | Delta County | 30,568 |
| 20 | Morgan County | 28,192 |
| 21 | Montezuma County | 26,140 |
| 22 | Elbert County | 25,642 |
| 23 | Routt County | 25,220 |
| 24 | Teller County | 24,646 |
| 25 | Logan County | 21,896 |
| 26 | Chaffee County | 19,638 |
| 27 | Otero County | 18,326 |
| 28 | Park County | 17,905 |
| 29 | Pitkin County | 17,890 |
| 30 | Gunnison County | 16,939 |
| 31 | Alamosa County | 16,551 |
| 32 | Grand County | 15,321 |
| 33 | Las Animas County | 14,238 |
| 34 | Archuleta County | 13,315 |
| 35 | Moffat County | 13,131 |
| 36 | Prowers County | 12,070 |
| 37 | Rio Grande County | 11,301 |
| 38 | Yuma County | 10,075 |
| 39 | Clear Creek County | 9,574 |
| 40 | Conejos County | 8,184 |
| 41 | San Miguel County | 7,967 |
| 42 | Lake County | 7,778 |
| 43 | Kit Carson County | 7,158 |
| 44 | Huerfano County | 6,662 |
| 45 | Saguache County | 6,626 |
| 46 | Rio Blanco County | 6,420 |
| 47 | Gilpin County | 6,013 |
| 48 | Bent County | 5,938 |
| 49 | Crowley County | 5,810 |
| 50 | Lincoln County | 5,546 |
| 51 | Washington County | 4,938 |
| 52 | Custer County | 4,874 |
| 53 | Ouray County | 4,794 |
| 54 | Phillips County | 4,292 |
| 55 | Costilla County | 3,776 |
| 56 | Baca County | 3,562 |
| 57 | Sedgwick County | 2,344 |
| 58 | Dolores County | 2,067 |
| 59 | Cheyenne County | 1,845 |
| 60 | Jackson County | 1,385 |
| 61 | Kiowa County | 1,376 |
| 62 | Hinsdale County | 794 |
| 63 | Mineral County | 766 |
| 64 | San Juan County | 715 |
|
United States Census Bureau / American FactFinder. "Annual Estimates of the Resident Population: April 1, 2010 to July 1, 2017". 2017 Population Estimates Program. Web. March 2018. http://factfinder2.census.gov. |
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