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RANKING · 2020 CENSUS · 60 SHOWN OF 60

Highest Czech population share, Colorado counties · 2020

Colorado counties ranked by the share of all residents who are Czech ancestry (2020 American Community Survey). A concentration measure: Czech residents as a percentage of total population. This list covers the 60 counties in Colorado that qualify, ranked against each other statewide. The median across all 60 is 0.5%.

Czech Americans: full group profile →
SAME RANKING BYCitiesStatesMetros
Highest Czech population share by state
All USAlaskaAlabamaArkansasArizonaCaliforniaColoradoFloridaGeorgiaIowaIdahoIllinoisIndianaKansasKentuckyLouisianaMassachusettsMarylandMaineMichiganMinnesotaMissouriMississippiMontanaNorth CarolinaNorth DakotaNebraskaNew HampshireNew JerseyNew MexicoNevadaNew YorkOhioOklahomaOregonPennsylvaniaSouth CarolinaSouth DakotaTennesseeTexasUtahVirginiaVermontWashingtonWisconsinWest VirginiaWyoming
RANKPLACESTATEPOPCZECH SHAREVS 2010
01Huerfano County, COCO7,0112.8%+2.2 pts
02Custer County, COCO5,5902.3%+1.4 pts
03Summit County, COCO31,5171.8%+0.9 pts
04Sedgwick County, COCO2,2471.7%+0.5 pts
05Cheyenne County, COCO1,7131.7%+1.4 pts
06San Juan County, COCO8131.4%+0.6 pts
07Yuma County, COCO9,8961.3%+0.2 pts
08Ouray County, COCO5,2651.2%+0.4 pts
09Rio Blanco County, COCO6,6831.1%+0.4 pts
10Logan County, COCO20,6541.0%−0.4 pts
11Larimer County, COCO377,2920.9%−0.2 pts
12Jefferson County, COCO580,4510.9%0.0 pts
13Douglas County, COCO399,3960.9%−0.1 pts
14Boulder County, COCO328,5600.8%−0.2 pts
15Gunnison County, COCO17,4390.8%+0.1 pts
16Mineral County, COCO9100.8%+0.2 pts
17Pitkin County, COCO16,6250.8%+0.7 pts
18La Plata County, COCO56,8980.8%+0.2 pts
19Kit Carson County, COCO7,0690.8%+0.3 pts
20Elbert County, COCO30,5340.7%+0.1 pts
21Jackson County, COCO1,2110.7%−0.5 pts
22Teller County, COCO24,7560.7%+0.1 pts
23Lincoln County, COCO5,6450.6%+0.2 pts
24Grand County, COCO16,4960.6%−0.2 pts
25Eagle County, COCO54,2910.5%−0.8 pts
26El Paso County, COCO757,0400.5%−0.2 pts
27Broomfield County, COCO79,1740.5%−0.8 pts
28Arapahoe County, COCO673,8200.5%−0.2 pts
29Denver County, COCO740,6130.5%−0.1 pts
30Washington County, COCO4,7320.5%−0.7 pts
31Fremont County, COCO50,0390.5%+0.1 pts
32Park County, COCO18,3140.5%−0.4 pts
33Las Animas County, COCO14,3910.5%0.0 pts
34Adams County, COCO554,6680.5%−0.2 pts
35Chaffee County, COCO20,8310.5%−0.7 pts
36Rio Grande County, COCO11,0870.5%+0.2 pts
37Mesa County, COCO162,8450.4%−0.1 pts
38Routt County, COCO25,3290.4%−0.6 pts
39Weld County, COCO378,4260.4%−0.4 pts
40Alamosa County, COCO16,6880.4%+0.1 pts
41Otero County, COCO17,6830.4%−0.1 pts
42Prowers County, COCO11,8840.4%0.0 pts
43Montrose County, COCO44,5910.4%+0.3 pts
44Hinsdale County, COCO7530.4%−3.9 pts
45Moffat County, COCO13,1220.4%−0.4 pts
46Morgan County, COCO30,3060.3%−0.5 pts
47Lake County, COCO7,5520.3%+0.2 pts
48Pueblo County, COCO169,2770.3%−0.2 pts
49Clear Creek County, COCO8,9940.3%−1.7 pts
50Montezuma County, COCO26,6780.2%−0.1 pts
51San Miguel County, COCO7,7530.2%−0.1 pts
52Crowley County, COCO5,6770.2%–
53Garfield County, COCO63,4740.2%−0.3 pts
54Gilpin County, COCO6,0730.2%−0.1 pts
55Dolores County, COCO2,4660.2%−1.4 pts
56Delta County, COCO32,1780.1%−0.5 pts
57Archuleta County, COCO14,3060.1%−0.2 pts
58Bent County, COCO5,7160.1%0.0 pts
59Baca County, COCO3,3470.1%0.0 pts
60Conejos County, COCO7,5290.0%−0.6 pts
SHOWING 1–60 OF 60

UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS