RANKING · 2024 ACS · 59 SHOWN OF 59

Highest Czech population share, Colorado counties

Colorado counties ranked by the share of all residents who are Czech ancestry (2024 American Community Survey). A concentration measure: Czech residents as a percentage of total population. This list covers the 59 counties in Colorado that qualify, ranked against each other statewide.

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SAME RANKING BYCities States Metros

YEAR2010 2020 2024

RANKPLACESTATEPOPCZECH SHAREVS 2010

01Custer County, COCO5,5902.7%+1.8 pts

02Dolores County, COCO2,4662.7%+1.1 pts

03Rio Blanco County, COCO6,6832.2%+1.5 pts

04Huerfano County, COCO7,0111.8%+1.2 pts

05Logan County, COCO20,6541.6%+0.2 pts

06Jackson County, COCO1,2111.2%+0.0 pts

07Park County, COCO18,3141.2%+0.2 pts

08Sedgwick County, COCO2,2471.1%−0.1 pts

09Gunnison County, COCO17,4391.0%+0.3 pts

10Douglas County, COCO399,3960.9%−0.1 pts

11Jefferson County, COCO580,4510.9%+0.0 pts

12Cheyenne County, COCO1,7130.9%+0.6 pts

13Phillips County, COCO4,4200.8%+0.8 pts

14Broomfield County, COCO79,1740.8%−0.5 pts

15Teller County, COCO24,7560.8%+0.2 pts

16Larimer County, COCO377,2920.8%−0.4 pts

17Rio Grande County, COCO11,0870.8%+0.6 pts

18Boulder County, COCO328,5600.7%−0.3 pts

19Pitkin County, COCO16,6250.7%+0.6 pts

20San Miguel County, COCO7,7530.7%+0.4 pts

21Lincoln County, COCO5,6450.6%+0.2 pts

22Summit County, COCO31,5170.6%−0.2 pts

23Denver County, COCO740,6130.6%−0.0 pts

24Grand County, COCO16,4960.6%−0.2 pts

25Routt County, COCO25,3290.6%−0.5 pts

26Washington County, COCO4,7320.6%−0.7 pts

27El Paso County, COCO757,0400.5%−0.3 pts

28Arapahoe County, COCO673,8200.5%−0.2 pts

29Chaffee County, COCO20,8310.5%−0.7 pts

30Weld County, COCO378,4260.5%−0.4 pts

31Costilla County, COCO3,6790.5%–

32Archuleta County, COCO14,3060.5%+0.1 pts

33Montrose County, COCO44,5910.4%+0.3 pts

34Pueblo County, COCO169,2770.4%−0.1 pts

35Ouray County, COCO5,2650.4%−0.4 pts

36Garfield County, COCO63,4740.4%−0.1 pts

37Montezuma County, COCO26,6780.4%+0.1 pts

38Adams County, COCO554,6680.4%−0.3 pts

39Yuma County, COCO9,8960.4%−0.7 pts

40Mesa County, COCO162,8450.4%−0.2 pts

41Delta County, COCO32,1780.3%−0.3 pts

42La Plata County, COCO56,8980.3%−0.3 pts

43Clear Creek County, COCO8,9940.3%−1.6 pts

44Elbert County, COCO30,5340.3%−0.3 pts

45Eagle County, COCO54,2910.3%−1.1 pts

46Lake County, COCO7,5520.3%+0.1 pts

47Las Animas County, COCO14,3910.2%−0.3 pts

48Morgan County, COCO30,3060.2%−0.5 pts

49Kit Carson County, COCO7,0690.2%−0.3 pts

50Fremont County, COCO50,0390.2%−0.2 pts

51Alamosa County, COCO16,6880.2%−0.1 pts

52Otero County, COCO17,6830.2%−0.3 pts

53Prowers County, COCO11,8840.2%−0.2 pts

54Kiowa County, COCO1,4120.1%−0.8 pts

55Moffat County, COCO13,1220.1%−0.6 pts

56Mineral County, COCO9100.1%−0.5 pts

57Conejos County, COCO7,5290.1%−0.5 pts

58Crowley County, COCO5,6770.1%–

59Gilpin County, COCO6,0730.0%−0.2 pts

SHOWING 1–59 OF 59

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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES