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RANKING · 2024 ACS · 63 SHOWN OF 63

Highest Scotch-Irish population share, Colorado counties

Colorado counties ranked by the share of all residents who are Scotch-Irish ancestry (2024 American Community Survey). A concentration measure: Scotch-Irish residents as a percentage of total population. This list covers the 63 counties in Colorado that qualify, ranked against each other statewide. The median across all 63 is 1.1%. Biggest climber in the top 100 since 2020: Hinsdale County, CO, up 60 places to #1.

Scotch-Irish Americans: full group profile →
SAME RANKING BYCitiesStatesMetros
Highest Scotch-Irish population share by state
All USAlaskaAlabamaArkansasArizonaCaliforniaColoradoFloridaGeorgiaIowaIdahoIllinoisIndianaKansasKentuckyLouisianaMassachusettsMarylandMaineMichiganMinnesotaMissouriMississippiMontanaNorth CarolinaNorth DakotaNebraskaNew HampshireNew JerseyNew MexicoNevadaNew YorkOhioOklahomaOregonPennsylvaniaSouth CarolinaSouth DakotaTennesseeTexasUtahVirginiaVermontWashingtonWisconsinWest VirginiaWyoming
RANKPLACESTATEPOPSCOTCH-IRISH SHAREVS 2010
01▲60Hinsdale County, COCO7533.9%−1.4 pts
02▲23Dolores County, COCO2,4663.4%−4.6 pts
03▼2Clear Creek County, COCO8,9943.0%−2.0 pts
04▲34Saguache County, COCO6,7322.8%+1.3 pts
05▲9Crowley County, COCO5,6772.7%+1.7 pts
06▲15Ouray County, COCO5,2652.7%−1.6 pts
07▼5Archuleta County, COCO14,3062.4%+0.4 pts
08▲1Pitkin County, COCO16,6251.9%−0.4 pts
09▼1Mineral County, COCO9101.8%−1.2 pts
10▼7Chaffee County, COCO20,8311.7%−0.1 pts
11▲46Lincoln County, COCO5,6451.7%−1.9 pts
12▲14Grand County, COCO16,4961.5%−0.6 pts
13Gunnison County, COCO17,4391.5%−1.1 pts
14▲5Teller County, COCO24,7561.5%−2.3 pts
15▼3Mesa County, COCO162,8451.4%−1.0 pts
16▲11Gilpin County, COCO6,0731.4%−0.7 pts
17▼2Larimer County, COCO377,2921.3%−1.4 pts
18▼1Elbert County, COCO30,5341.3%−1.1 pts
19▲37Garfield County, COCO63,4741.3%−0.8 pts
20▲28Park County, COCO18,3141.3%−4.0 pts
21▲32Costilla County, COCO3,6791.2%+0.7 pts
22▼18San Juan County, COCO8131.2%−7.4 pts
23▲12Montrose County, COCO44,5911.2%−1.0 pts
24▲5Lake County, COCO7,5521.2%−0.9 pts
25▼2Montezuma County, COCO26,6781.2%−1.9 pts
26Cheyenne County, COCO1,7131.2%−2.7 pts
27▼7Logan County, COCO20,6541.2%−1.4 pts
28▲2Jefferson County, COCO580,4511.2%−1.4 pts
29▼19Routt County, COCO25,3291.2%−1.3 pts
30▼12Moffat County, COCO13,1221.2%−0.8 pts
31▼9Otero County, COCO17,6831.1%−0.5 pts
32▼16Boulder County, COCO328,5601.1%−1.6 pts
33▼5Fremont County, COCO50,0391.1%−1.1 pts
34▼3El Paso County, COCO757,0401.1%−1.3 pts
35▲10La Plata County, COCO56,8981.0%−1.9 pts
36▲3Broomfield County, COCO79,1741.0%−1.4 pts
37▲5Delta County, COCO32,1781.0%−1.9 pts
38▲2Morgan County, COCO30,3060.9%−1.2 pts
39▼5Arapahoe County, COCO673,8200.9%−0.9 pts
40▼8Douglas County, COCO399,3960.9%−1.5 pts
41▲2Pueblo County, COCO169,2770.9%−0.7 pts
42▲7Sedgwick County, COCO2,2470.8%−2.2 pts
43▼6Baca County, COCO3,3470.8%−2.8 pts
44▼8Weld County, COCO378,4260.8%−1.1 pts
45▼4Denver County, COCO740,6130.7%−1.0 pts
46▲16Yuma County, COCO9,8960.7%−2.3 pts
47▲3Huerfano County, COCO7,0110.7%−4.2 pts
48▼42Washington County, COCO4,7320.7%−2.7 pts
49▲10Alamosa County, COCO16,6880.7%−1.2 pts
50▼3Las Animas County, COCO14,3910.6%−1.9 pts
51▲9Rio Grande County, COCO11,0870.6%−2.1 pts
52Phillips County, COCO4,4200.6%−1.2 pts
53▼42San Miguel County, COCO7,7530.5%−1.4 pts
54Adams County, COCO554,6680.5%−1.0 pts
55▼31Rio Blanco County, COCO6,6830.5%−1.9 pts
56▼49Custer County, COCO5,5900.5%−2.1 pts
57▼2Kit Carson County, COCO7,0690.5%−2.3 pts
58▼7Summit County, COCO31,5170.5%−2.2 pts
59▼13Bent County, COCO5,7160.4%−0.7 pts
60▼27Prowers County, COCO11,8840.4%−1.2 pts
61▼3Conejos County, COCO7,5290.3%−1.8 pts
62▼18Eagle County, COCO54,2910.3%−1.9 pts
63Kiowa County, COCO1,4120.1%−2.4 pts
SHOWING 1–63 OF 63

UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES