Ranking of Colorado Cities and Places By Population with Irish Ancestry in 2021
Updated on April 16, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, there were 620.60K people in Colorado with Irish ancestry. Among all Colorado cities and places, Denver city had the highest population with Irish ancestry (71.62K), followed by Colorado Springs city (50.42K), and Aurora city (27.63K).
The chart and table below shows the top 10 cities and places with high number of people with Irish ancestry.
You can see similar information for other states and for other ancestry groups in Colorado.
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Related Topics: US Census 2021 Topic List.
Data Source: US Census Bureau.
Ranking of Colorado Cities and Places By Population with Irish Ancestry in 2021
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| Rank | City or Place | Population |
|---|---|---|
| 1 | Denver city | 71622 |
| 2 | Colorado Springs city | 50423 |
| 3 | Aurora city | 27631 |
| 4 | Fort Collins city | 21599 |
| 5 | Lakewood city | 18684 |
| 6 | Arvada city | 15869 |
| 7 | Centennial city | 15600 |
| 8 | Highlands Ranch CDP | 14225 |
| 9 | Westminster city | 13961 |
| 10 | Thornton city | 12451 |
| 11 | Boulder city | 12111 |
| 12 | Longmont city | 11926 |
| 13 | Loveland city | 10506 |
| 14 | Pueblo city | 9314 |
| 15 | Broomfield city | 9138 |
| 16 | Greeley city | 8959 |
| 17 | Castle Rock town | 8299 |
| 18 | Grand Junction city | 7742 |
| 19 | Parker town | 6943 |
| 20 | Littleton city | 6188 |
| 21 | Ken Caryl CDP | 4973 |
| 22 | Dakota Ridge CDP | 4581 |
| 23 | Englewood city | 4400 |
| 24 | Wheat Ridge city | 4304 |
| 25 | Security-Widefield CDP | 4214 |
| 26 | Commerce City city | 4038 |
| 27 | Pueblo West CDP | 3913 |
| 28 | Columbine CDP | 3858 |
| 29 | Brighton city | 3678 |
| 30 | Windsor town | 3670 |
| 31 | Erie town | 3659 |
| 32 | Northglenn city | 3604 |
| 33 | Lafayette city | 3352 |
| 34 | Durango city | 3348 |
| 35 | Louisville city | 3059 |
| 36 | Johnstown town | 3016 |
| 37 | Golden city | 2718 |
| 38 | Clifton CDP | 2447 |
| 39 | Fountain city | 2262 |
| 40 | Cimarron Hills CDP | 2259 |
| 41 | Montrose city | 2036 |
| 42 | Evans city | 1990 |
| 43 | Four Square Mile CDP | 1932 |
| 44 | Lone Tree city | 1926 |
| 45 | Fruita city | 1842 |
| 46 | Cañon City city | 1764 |
| 47 | Greenwood Village city | 1740 |
| 48 | Wellington town | 1636 |
| 49 | Castle Pines city | 1624 |
| 50 | Fort Carson CDP | 1535 |
| 51 | Frederick town | 1525 |
| 52 | Severance town | 1450 |
| 53 | Firestone town | 1408 |
| 54 | Evergreen CDP | 1390 |
| 55 | Woodmoor CDP | 1389 |
| 56 | Black Forest CDP | 1387 |
| 57 | The Pinery CDP | 1364 |
| 58 | Berthoud town | 1351 |
| 59 | Craig city | 1347 |
| 60 | Stonegate CDP | 1339 |
| 61 | Woodland Park city | 1297 |
| 62 | Cherry Creek CDP | 1281 |
| 63 | Redlands CDP | 1240 |
| 64 | Superior town | 1215 |
| 65 | Sherrelwood CDP | 1201 |
| 66 | Steamboat Springs city | 1196 |
| 66 | Sterling city | 1196 |
| 67 | Welby CDP | 1125 |
| 68 | Roxborough Park CDP | 1100 |
| 69 | Applewood CDP | 1087 |
| 70 | Gunbarrel CDP | 1084 |
| 71 | Timnath town | 1076 |
| 72 | Delta city | 1069 |
| 73 | Aspen city | 1047 |
| 74 | Monument town | 1021 |
| 75 | Fairmount CDP | 1007 |
| 76 | Edwards CDP | 1005 |
| 77 | Cortez city | 1002 |
| 78 | Cherry Hills Village city | 985 |
| 79 | Gunnison city | 946 |
| 80 | Estes Park town | 929 |
| 81 | La Junta city | 908 |
| 82 | Rifle city | 898 |
| 83 | Orchard Mesa CDP | 892 |
| 84 | Carbondale town | 888 |
| 85 | Gleneagle CDP | 869 |
| 86 | Glenwood Springs city | 858 |
| 87 | Todd Creek CDP | 844 |
| 88 | Battlement Mesa CDP | 837 |
| 89 | Fruitvale CDP | 785 |
| 90 | Alamosa city | 780 |
| 91 | Federal Heights city | 735 |
| 92 | Eaton town | 712 |
| 93 | Lochbuie town | 694 |
| 94 | Eagle town | 683 |
| 95 | Stratmoor CDP | 677 |
| 96 | Edgewater city | 671 |
| 97 | Manitou Springs city | 664 |
| 98 | Fort Morgan city | 661 |
| 99 | Dacono city | 651 |
| 100 | Vail town | 643 |
| 101 | Brush city | 626 |
| 102 | Trinidad city | 616 |
| 103 | Sheridan city | 602 |
| 104 | Salida city | 594 |
| 105 | Glendale city | 584 |
| 106 | Genesee CDP | 575 |
| 107 | Lincoln Park CDP | 555 |
| 108 | West Pleasant View CDP | 554 |
| 109 | Berkley CDP | 545 |
| 110 | Twin Lakes CDP (Adams County) | 478 |
| 111 | El Jebel CDP | 476 |
| 112 | Telluride town | 474 |
| 113 | Breckenridge town | 472 |
| 114 | Shaw Heights CDP | 464 |
| 115 | Mead town | 463 |
| 116 | Dove Valley CDP | 461 |
| 117 | Castle Pines Village CDP | 452 |
| 118 | Acres Green CDP | 451 |
| 119 | Avon town | 450 |
| 120 | Milliken town | 448 |
| 120 | Orchard City town | 448 |
| 121 | Ponderosa Park CDP | 438 |
| 122 | Meridian CDP | 436 |
| 123 | Silverthorne town | 435 |
| 124 | Florence city | 426 |
| 125 | Platteville town | 421 |
| 126 | Hayden town | 419 |
| 127 | Columbine Valley town | 415 |
| 128 | Palisade town | 409 |
| 129 | Yuma city | 406 |
| 130 | Strasburg CDP | 382 |
| 131 | Rocky Ford city | 381 |
| 132 | Gypsum town | 380 |
| 133 | Bayfield town | 375 |
| 134 | Niwot CDP | 373 |
| 135 | Hudson town | 370 |
| 136 | Laporte CDP | 368 |
| 137 | Holly Hills CDP | 364 |
| 138 | Elizabeth town | 361 |
| 139 | Lamar city | 357 |
| 140 | Fort Lupton city | 353 |
| 141 | Penrose CDP | 352 |
| 142 | Burlington city | 343 |
| 143 | Cedaredge town | 336 |
| 144 | Lyons town | 335 |
| 145 | Coal Creek CDP | 328 |
| 146 | Crested Butte town | 320 |
| 147 | Idaho Springs city | 316 |
| 148 | Palmer Lake town | 309 |
| 149 | Meridian Village CDP | 303 |
| 150 | Paonia town | 300 |
| 151 | Rangely town | 291 |
| 152 | Upper Witter Gulch CDP | 288 |
| 153 | Basalt town | 282 |
| 153 | Leadville North CDP | 282 |
| 154 | La Salle town | 279 |
| 155 | Inverness CDP | 278 |
| 156 | New Castle town | 277 |
| 157 | Minturn town | 272 |
| 158 | Parachute town | 263 |
| 159 | Cascade-Chipita Park CDP | 261 |
| 160 | Ordway town | 260 |
| 161 | Colorado City CDP | 258 |
| 162 | Meeker town | 255 |
| 163 | Wray city | 250 |
| 164 | Perry Park CDP | 246 |
| 165 | Pierce town | 237 |
| 166 | Eldora CDP | 219 |
| 166 | Park Center CDP | 219 |
| 167 | Indian Hills CDP | 208 |
| 168 | Mancos town | 204 |
| 169 | Springfield town | 196 |
| 170 | Bennett town | 195 |
| 171 | Ellicott CDP | 191 |
| 172 | Del Norte town | 190 |
| 173 | Limon town | 188 |
| 174 | Cheyenne Wells town | 186 |
| 175 | Silt town | 185 |
| 176 | Alamosa East CDP | 183 |
| 177 | Air Force Academy CDP | 180 |
| 177 | Leadville city | 180 |
| 178 | Sierra Ridge CDP | 179 |
| 179 | Las Animas city | 176 |
| 180 | La Veta town | 174 |
| 181 | Gerrard CDP | 173 |
| 182 | Holyoke city | 169 |
| 183 | Grand View Estates CDP | 163 |
| 184 | Deer Trail town | 162 |
| 184 | Hugo town | 162 |
| 185 | Ault town | 159 |
| 185 | Mount Crested Butte town | 159 |
| 186 | Aspen Park CDP | 157 |
| 187 | Blue River town | 155 |
| 187 | Dolores town | 155 |
| 187 | Frisco town | 155 |
| 188 | Mountain Village town | 154 |
| 189 | Allenspark CDP | 153 |
| 190 | Ignacio town | 152 |
| 191 | Pine Brook Hill CDP | 151 |
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