Counties in Colorado

1. Douglas (State: Colorado Population: 148,914)
2. Alamosa (State: Colorado Population: 7,960)
3. Weld (State: Colorado Population: 135,009)
4. Pitkin (State: Colorado Population: 7,736)
5. Adams (State: Colorado Population: 597,771)
6. Eagle (State: Colorado Population: 33,272)
7. Garfield (State: Colorado Population: 27,943)
8. La Plata (State: Colorado Population: 15,471)
9. Larimer (State: Colorado Population: 186,707)
10. Pueblo (State: Colorado Population: 122,202)
11. El Paso (State: Colorado Population: 442,297)
12. Boulder (State: Colorado Population: 230,341)
13. Broomfield (State: Colorado Population: 38,272)
14. Chaffee (State: Colorado Population: 7,699)
15. Kit Carson (State: Colorado Population: 3,678)
16. Arapahoe (State: Colorado Population: 166,112)
17. Delta (State: Colorado Population: 12,631)
18. Saguache (State: Colorado Population: 2,392)
19. Cheyenne (State: Colorado Population: 1,010)
20. Mesa (State: Colorado Population: 89,823)
21. Montezuma (State: Colorado Population: 10,193)
22. Moffat (State: Colorado Population: 9,189)
23. Gunnison (State: Colorado Population: 6,938)
24. Teller (State: Colorado Population: 7,630)
25. Rio Grande (State: Colorado Population: 6,234)
26. Denver (State: Colorado Population: 554,636)
27. Clear Creek (State: Colorado Population: 2,977)
28. Grand (State: Colorado Population: 3,103)
29. Routt (State: Colorado Population: 11,449)
30. Prowers (State: Colorado Population: 9,917)
31. Bent (State: Colorado Population: 2,758)
32. Conejos (State: Colorado Population: 1,042)
33. Rio Blanco (State: Colorado Population: 4,338)
34. Montrose (State: Colorado Population: 13,917)
35. Crowley (State: Colorado Population: 1,248)
36. Archuleta (State: Colorado Population: 1,591)
37. Baca (State: Colorado Population: 1,562)
38. Las Animas (State: Colorado Population: 9,078)
39. Huerfano (State: Colorado Population: 4,182)