Mission is the #1 ranked city in South Dakota with 61.6 (col index). This ranking includes 80 South Dakota cities with available data.
| # | City | Population | COL Index |
|---|---|---|---|
| 1 | Mission | 1,380 | 61.6 |
| 2 | Oglala | 1,601 | 63.7 |
| 3 | Kyle | 1,495 | 65.6 |
| 4 | North Eagle Butte | 1,432 | 66.1 |
| 5 | Pine Ridge | 2,480 | 68.3 |
| 6 | Lemmon | 1,214 | 69.7 |
| 7 | Fort Thompson | 1,134 | 70.1 |
| 8 | Sisseton | 2,593 | 73.3 |
| 9 | Eagle Butte | 1,492 | 74.1 |
| 10 | Rosebud | 1,710 | 75.0 |
| 11 | Martin | 1,054 | 75.9 |
| 12 | Miller | 1,346 | 77.1 |
| 13 | Gregory | 1,330 | 77.7 |
| 14 | Wagner | 1,555 | 78.3 |
| 15 | Winner | 2,900 | 79.8 |
| 16 | Clark | 1,181 | 80.1 |
| 17 | Webster | 1,823 | 80.9 |
| 18 | Tyndall | 1,206 | 81.1 |
| 19 | Milbank | 3,513 | 82.6 |
| 20 | Redfield | 2,230 | 83.6 |
| 21 | Flandreau | 2,291 | 84.9 |
| 22 | Hot Springs | 3,506 | 86.4 |
| 23 | Mitchell | 15,637 | 86.8 |
| 24 | Huron | 14,347 | 86.9 |
| 25 | Springfield | 2,073 | 87.6 |
| 26 | Deadwood | 1,319 | 89.6 |
| 27 | Vermillion | 11,800 | 90.7 |
| 28 | Freeman | 1,558 | 90.9 |
| 29 | Clear Lake | 1,333 | 91.3 |
| 30 | Sturgis | 7,111 | 92.3 |
| 31 | Lead | 2,997 | 92.5 |
| 32 | Gettysburg | 1,344 | 92.6 |
| 33 | Britton | 1,117 | 93.1 |
| 34 | Aberdeen | 28,297 | 93.4 |
| 35 | Mobridge | 2,928 | 94.8 |
| 36 | Canton | 3,060 | 96.0 |
| 37 | Chamberlain | 2,621 | 96.1 |
| 38 | Parkston | 1,981 | 96.3 |
| 39 | Watertown | 22,859 | 96.5 |
| 40 | Garretson | 1,166 | 96.8 |
| 41 | Brookings | 23,710 | 97.1 |
| 42 | Belle Fourche | 5,741 | 97.2 |
| 43 | Ashland Heights | 1,142 | 97.6 |
| 44 | Madison | 6,158 | 97.6 |
| 45 | Salem | 1,201 | 98.9 |
| 46 | Platte | 1,310 | 100.8 |
| 47 | Yankton | 15,501 | 100.9 |
| 48 | Marion | 1,004 | 101.2 |
| 49 | Colman | 1,011 | 103.8 |
| 50 | Beresford | 2,437 | 104.8 |
| 51 | Fort Pierre | 2,534 | 105.0 |
| 52 | Ipswich | 1,126 | 105.4 |
| 53 | Spearfish | 12,551 | 106.1 |
| 54 | Rapid City | 76,836 | 107.6 |
| 55 | Volga | 2,246 | 108.0 |
| 56 | Pierre | 14,008 | 109.2 |
| 57 | Custer | 2,148 | 110.0 |
| 58 | Lennox | 2,587 | 110.1 |
| 59 | Groton | 1,794 | 112.0 |
| 60 | Blackhawk | 2,805 | 112.5 |
| 61 | Elk Point | 2,391 | 113.9 |
| 62 | North Sioux City | 3,018 | 115.3 |
| 63 | Sioux Falls | 197,642 | 115.4 |
| 64 | North Spearfish | 2,201 | 115.6 |
| 65 | Parker | 1,247 | 116.5 |
| 66 | Aurora | 1,407 | 118.4 |
| 67 | Worthing | 1,087 | 119.1 |
| 68 | Green Valley | 1,503 | 121.0 |
| 69 | Box Elder | 12,457 | 123.7 |
| 70 | Rapid Valley | 7,153 | 124.5 |
| 71 | Hartford | 3,412 | 126.2 |
| 72 | Dell Rapids | 3,947 | 133.1 |
| 73 | Baltic | 1,512 | 136.3 |
| 74 | Crooks | 1,216 | 137.8 |
| 75 | Brandon | 10,996 | 140.0 |
| 76 | Tea | 6,339 | 141.6 |
| 77 | Harrisburg | 7,790 | 142.8 |
| 78 | Colonial Pine Hills | 2,347 | 150.0 |
| 79 | Summerset | 2,978 | 154.2 |
| 80 | Dakota Dunes | 4,129 | 172.3 |
Cities in South Dakota are ranked by col index. Only cities with populations above 1,000 are included. Data sourced from BLS / C2ER. Last updated 2026.