Ranking of Montana Cities and Places By Population with Unclassified Ancestry in 2021
Updated on April 16, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, there were 243.21K people in Montana with Unclassified ancestry. Among all Montana cities and places, Billings city had the highest population with Unclassified ancestry (23.52K), followed by Missoula city (21.77K), and Great Falls city (12.99K).
The chart and table below shows the top 10 cities and places with high number of people with Unclassified ancestry.
You can see similar information for other states and for other ancestry groups in Montana.
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Related Topics: US Census 2021 Topic List.
Data Source: US Census Bureau.
Ranking of Montana Cities and Places By Population with Unclassified Ancestry in 2021
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| Rank | City or Place | Population |
|---|---|---|
| 1 | Billings city | 23524 |
| 2 | Missoula city | 21771 |
| 3 | Great Falls city | 12987 |
| 4 | Bozeman city | 12250 |
| 5 | Butte-Silver Bow (balance) | 8937 |
| 6 | Kalispell city | 5129 |
| 7 | Helena city | 4746 |
| 8 | Havre city | 2917 |
| 9 | Belgrade city | 2649 |
| 10 | Helena Valley West Central CDP | 2341 |
| 11 | Miles City city | 2161 |
| 12 | Anaconda-Deer Lodge County | 2151 |
| 13 | Lockwood CDP | 2113 |
| 14 | Whitefish city | 1864 |
| 15 | Evergreen CDP | 1793 |
| 16 | Helena Valley Northwest CDP | 1703 |
| 17 | Livingston city | 1697 |
| 18 | Helena Valley Southeast CDP | 1574 |
| 19 | Orchard Homes CDP | 1552 |
| 20 | Laurel city | 1539 |
| 21 | Lolo CDP | 1519 |
| 22 | Sidney city | 1517 |
| 23 | Four Corners CDP | 1419 |
| 24 | Polson city | 1395 |
| 25 | Lewistown city | 1364 |
| 26 | Malmstrom AFB CDP | 1325 |
| 27 | Glendive city | 1217 |
| 28 | Hamilton city | 1182 |
| 29 | Dillon city | 1122 |
| 30 | Lakeside CDP | 918 |
| 31 | Glasgow city | 905 |
| 32 | King Arthur Park CDP | 900 |
| 33 | East Missoula CDP | 858 |
| 34 | Columbia Falls city | 841 |
| 34 | Libby city | 841 |
| 35 | Conrad city | 813 |
| 36 | Shelby city | 743 |
| 37 | Sun Prairie CDP | 729 |
| 38 | Helena Valley Northeast CDP | 647 |
| 39 | Deer Lodge city | 632 |
| 40 | Montana City CDP | 597 |
| 41 | Cut Bank city | 586 |
| 42 | Columbus town | 578 |
| 43 | Wye CDP | 552 |
| 44 | Eureka town | 546 |
| 45 | Helena West Side CDP | 531 |
| 46 | Red Lodge city | 524 |
| 47 | Corvallis CDP | 508 |
| 47 | Three Forks city | 508 |
| 48 | Colstrip city | 492 |
| 49 | Bonner-West Riverside CDP | 487 |
| 50 | Hardin city | 475 |
| 51 | Stevensville town | 469 |
| 52 | Lame Deer CDP | 462 |
| 53 | West Glendive CDP | 459 |
| 54 | Ronan city | 458 |
| 55 | Roundup city | 439 |
| 56 | Helena Flats CDP | 430 |
| 57 | Bigfork CDP | 429 |
| 58 | Forsyth city | 424 |
| 59 | Arlee CDP | 422 |
| 60 | Big Sky CDP | 421 |
| 61 | Park City CDP | 408 |
| 62 | Marion CDP | 407 |
| 63 | Clancy CDP | 406 |
| 64 | Choteau city | 397 |
| 65 | Rocky Boy West CDP | 383 |
| 66 | Trego CDP | 373 |
| 67 | Victor CDP | 369 |
| 68 | Shepherd CDP | 365 |
| 69 | Plentywood city | 334 |
| 70 | Wolf Point city | 322 |
| 71 | Evaro CDP | 318 |
| 72 | Somers CDP | 316 |
| 73 | Townsend city | 311 |
| 74 | Manhattan town | 308 |
| 75 | Boulder city | 303 |
| 75 | Hays CDP | 303 |
| 75 | Pioneer Junction CDP | 303 |
| 76 | Lincoln CDP | 300 |
| 77 | Baker city | 291 |
| 77 | Parker School CDP | 291 |
| 78 | Clinton CDP | 284 |
| 79 | Black Eagle CDP | 275 |
| 79 | Pinesdale town | 275 |
| 80 | Pablo CDP | 273 |
| 81 | Piltzville CDP | 271 |
| 82 | Herron CDP | 263 |
| 82 | Philipsburg town | 263 |
| 83 | Pray CDP | 260 |
| 84 | Fort Belknap Agency CDP | 246 |
| 85 | Fallon CDP | 243 |
| 85 | Superior town | 243 |
| 86 | White Sulphur Springs city | 240 |
| 87 | Chinook city | 239 |
| 88 | Thompson Falls city | 234 |
| 89 | Sangrey CDP | 233 |
| 90 | Big Timber city | 229 |
| 90 | East Helena city | 229 |
| 91 | Churchill CDP | 227 |
| 92 | Carlton CDP | 226 |
| 93 | Azure CDP | 224 |
| 93 | Bridger town | 224 |
| 94 | White Haven CDP | 220 |
| 95 | Hillside Colony CDP | 219 |
| 96 | Crow Agency CDP | 214 |
| 97 | Fort Benton city | 210 |
| 98 | Malta city | 205 |
| 99 | Chester town | 193 |
| 100 | Worden CDP | 191 |
| 101 | Fortine CDP | 190 |
| 101 | Frenchtown CDP | 190 |
| 101 | Wheatland CDP | 190 |
| 102 | Scobey city | 188 |
| 103 | Gallatin Gateway CDP | 185 |
| 104 | Absarokee CDP | 180 |
| 105 | Havre North CDP | 179 |
| 105 | St. Ignatius town | 179 |
| 106 | Joplin CDP | 177 |
| 107 | Alberton town | 173 |
| 108 | Joliet town | 169 |
| 109 | Belt town | 166 |
| 109 | Culbertson town | 166 |
| 109 | Frazer CDP | 166 |
| 110 | Fairview town | 162 |
| 111 | St. Marie CDP | 161 |
| 111 | Sheridan town | 161 |
| 112 | Ponderosa Pines CDP | 160 |
| 113 | Muddy CDP | 159 |
| 113 | St. Pierre CDP | 159 |
| 114 | Woods Bay CDP | 152 |
| 115 | Walkerville town | 145 |
| 116 | Riverbend CDP | 144 |
| 117 | Heart Butte CDP | 142 |
| 118 | Plains town | 141 |
| 119 | Fairfield town | 140 |
| 120 | Lewistown Heights CDP | 138 |
| 121 | St. Mary CDP | 137 |
| 122 | West Yellowstone town | 134 |
| 123 | Big Sandy town | 133 |
| 123 | Seeley Lake CDP | 133 |
| 124 | Little Browning CDP | 131 |
| 125 | Gardiner CDP | 128 |
| 125 | Hot Springs town | 128 |
| 125 | Valier town | 128 |
| 126 | Rader Creek CDP | 122 |
| 126 | St. Regis CDP | 122 |
| 127 | Huntley CDP | 120 |
| 128 | Whitehall town | 119 |
| 129 | Ravalli CDP | 118 |
| 129 | Troy city | 118 |
| 130 | Ennis town | 116 |
| 130 | Yaak CDP | 116 |
| 131 | Beaver Creek CDP | 115 |
| 131 | Elmo CDP | 115 |
| 132 | Lodge Grass town | 111 |
| 133 | Florence CDP | 110 |
| 134 | Wibaux town | 109 |
| 135 | Lindisfarne CDP | 108 |
| 136 | Savage CDP | 106 |
| 137 | Sunburst town | 102 |
| 138 | Rimrock Colony CDP | 101 |
| 139 | Fort Smith CDP | 99 |
| 140 | Springhill CDP | 98 |
| 141 | New Rockport Colony CDP | 97 |
| 142 | Turah CDP | 95 |
| 143 | Boneau CDP | 94 |
| 143 | Denton town | 94 |
| 144 | Nashua town | 93 |
| 145 | Darby town | 92 |
| 145 | Sand Coulee CDP | 92 |
| 145 | Westby town | 92 |
| 146 | Pryor CDP | 90 |
| 147 | Vaughn CDP | 87 |
| 148 | Rocky Boy's Agency CDP | 84 |
| 148 | York CDP | 84 |
| 149 | North Browning CDP | 83 |
| 150 | Big Arm CDP | 82 |
| 150 | Ryegate town | 82 |
| 151 | Harlem city | 81 |
| 152 | Drummond town | 80 |
| 153 | Broadus town | 79 |
| 154 | Plevna town | 72 |
| 155 | South Hills CDP | 68 |
| 156 | Charlo CDP | 66 |
| 157 | Coram CDP | 65 |
| 158 | Hysham town | 63 |
| 159 | Dixon CDP | 62 |
| 159 | Lodge Pole CDP | 62 |
| 160 | Ekalaka town | 61 |
| 161 | Jette CDP | 60 |
| 161 | Kings Point CDP | 60 |
| 162 | Highwood CDP | 59 |
| 163 | Augusta CDP | 58 |
| 164 | Edgar CDP | 57 |
| 165 | Brooks CDP | 56 |
| 166 | Belfry CDP | 54 |
| 166 | Harlowton city | 54 |
| 167 | Richey town | 53 |
| 167 | Saddle Butte CDP | 53 |
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