RANKING · 2020 CENSUS · 117 SHOWN OF 117

Largest Irish population, Colorado cities · 2020

Colorado cities ranked by the number of residents who are Irish ancestry, from the 2020 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 117 cities in Colorado that qualify, ranked against each other statewide.

Irish Americans: full group profile →

ColoradoAll statesPop > 5KAll rankings

SAME RANKING BYCounties States Metros

YEAR2010 2020 2024

RANKPLACESTATEPOPIRISH POPULATIONVS 2010

01Denver, COCO740,61372,381+24%

02Colorado Springs, COCO494,74349,788−7%

03Aurora, COCO410,05327,291+3%

04Fort Collins, COCO171,50021,337+2%

05Lakewood, COCO156,92718,091−14%

06Arvada, COCO122,90116,295−3%

07Centennial, COCO108,65815,738+6%

08Highlands Ranch, COCO102,25714,550−3%

09Westminster, COCO116,18213,147−6%

10Boulder, COCO105,68912,791−10%

11Thornton, COCO147,76612,622+1%

12Longmont, COCO100,10911,433+15%

13Loveland, COCO81,38711,384+27%

14Pueblo, COCO110,4049,719−2%

15Greeley, COCO115,0739,163−4%

16Broomfield, COCO79,1748,574+9%

17Castle Rock, COCO83,8158,254+2%

18Grand Junction, COCO71,8277,128−8%

19Littleton, COCO46,2466,782+12%

20Parker, COCO65,9856,452−17%

21Dakota Ridge, COCO33,7534,858−2%

22Ken Caryl, COCO33,2334,637−21%

23Englewood, COCO35,3054,630−3%

24Wheat Ridge, COCO32,0814,297+11%

25Brighton, COCO45,3954,161+43%

26Northglenn, COCO38,8934,032+3%

27Columbine, COCO25,4783,831+5%

28Commerce City, COCO72,3453,806+4%

29Security-Widefield, COCO37,3453,779−1%

30Pueblo West, COCO35,6813,630+18%

31Erie, COCO40,9043,327+55%

32Durango, COCO19,7333,143+25%

33Lafayette, COCO30,1162,950−19%

34Golden, COCO20,3902,827+2%

35Windsor, COCO43,8402,827+6%

36Louisville, COCO20,5812,718−7%

37Clifton, COCO19,5182,590+2%

38Cimarron Hills, COCO19,8172,355+20%

39Fruita, COCO14,0032,315+33%

40Montrose, COCO21,5832,186−7%

41Johnstown, COCO22,4332,146+47%

42Evans, COCO22,5002,068+33%

43Fountain, COCO29,4502,066−36%

44Lone Tree, COCO15,2781,842+37%

45Cañon City, COCO17,0301,811−11%

46Fort Carson, COCO18,0191,738−14%

47Greenwood, COCO15,3231,685−20%

48Firestone, COCO20,1291,568+20%

49Black Forest, COCO15,7381,523−23%

50Wellington, COCO12,1691,493+30%

51Castle Pines, COCO15,5831,479+142%

52Woodmoor, COCO8,9341,473−11%

53Four Square Mile, COCO23,0241,468–

54The Pinery, COCO11,8711,424−20%

55Berthoud, COCO14,0801,350+84%

56Craig, COCO8,8741,323+17%

57Steamboat Springs, COCO13,5571,315−34%

58Sterling, COCO13,0541,307−10%

59Cherry Creek, COCO10,7211,303+3%

60Evergreen, COCO8,6021,294−25%

61Roxborough Park, COCO9,0851,275−29%

62Redlands, COCO8,8681,272−5%

63Glenwood Springs, COCO10,3951,190−22%

64Woodland Park, COCO8,0141,165−10%

65Superior, COCO13,6371,137−29%

66Frederick, COCO18,2411,132+22%

67Stonegate, COCO8,9061,114−19%

68Sherrelwood, COCO18,6921,103−8%

69Gunbarrel, COCO10,0511,058−29%

70Cherry Hills, COCO6,3891,039+9%

71Applewood, COCO8,3501,030−9%

72Aspen, COCO6,489987+7%

73Gunnison, COCO6,836974+19%

74Estes Park, COCO5,780956+12%

75Orchard Mesa, COCO6,945935−18%

76Fairmount, COCO9,902928−17%

77Welby, COCO16,197904−31%

78Fruitvale, COCO8,019903−24%

79Cortez, COCO9,126892−12%

80Delta, COCO9,802877−3%

81Severance, COCO11,841860+191%

82La Junta, COCO6,864856+75%

83Carbondale, COCO6,762851+29%

84Gleneagle, COCO6,440844+2%

85Rifle, COCO10,844822−41%

86Edwards, COCO10,785820−33%

87Monument, COCO13,813809−2%

88Brush, COCO5,337791+16%

89Battlement Mesa, COCO5,755754+6%

90Alamosa, COCO9,849752+4%

91Milliken, COCO9,183740+37%

92Eaton, COCO5,848738+12%

93Fort Morgan, COCO11,841731−26%

94Stratmoor, COCO5,412722−17%

95Dacono, COCO6,844692+38%

96Eagle, COCO7,280688−21%

97Federal Heights, COCO14,075671−31%

98Todd Creek, COCO5,379639+29%

99Berkley, COCO10,789628+33%

100Sheridan, COCO5,972622−4%

101Trinidad, COCO8,091617−10%

102Lochbuie, COCO8,776615−6%

103Salida, COCO5,985591−52%

104Breckenridge, COCO5,015586−23%

105West Pleasant View, COCO5,051560−23%

106Meridian, COCO5,634450+213%

107Gypsum, COCO9,212445−38%

108Avon, COCO6,184444+25%

109Shaw Heights, COCO5,565422+13%

110Mead, COCO7,042398−13%

111Silverthorne, COCO5,418395−14%

112Fort Lupton, COCO10,402376−50%

113Lamar, COCO7,588318−64%

114Twin Lakes CDP (Adams County), COCO8,030277−25%

115Timnath, COCO11,600264+178%

116Air Force Academy, COCO6,727207−36%

117Derby, COCO8,453176−62%

SHOWING 1–117 OF 117

Download CSV (full list, 117 rows)

UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS