| City | 2026 Pop. ↓ |
|---|---|
| Brookings | 25,725 |
| Box Elder | 14,424 |
| Brandon | 11,265 |
| Belle Fourche | 5,842 |
| Blackhawk | 2,785 |
| Beresford | 2,082 |
| Baltic | 1,365 |
| Britton | 1,198 |
| Blucksberg Mountain | 734 |
| Boulder Canyon | 599 |
| Burke | 591 |
| Bridgewater | 518 |
| Bryant | 492 |
| Bowdle | 475 |
| Big Stone City | 406 |
| Buffalo | 358 |
| Blunt | 329 |
| Bison | 308 |
| Bristol | 275 |
| Bullhead | 270 |
| Bonesteel | 258 |
| Brant Lake South | 258 |
| Bruce | 220 |
| Burbank | 196 |
| Buffalo Gap | 161 |
| Badger | 138 |
| Brandt | 120 |
| Bath | 103 |
| Bath Corner | 100 |
| Bridger | 89 |
| Brentford | 85 |
| Bushnell | 76 |
| Brentwood Colony | 75 |
| Batesland | 72 |
| Bradley | 69 |
| Brant Lake | 55 |
| Belvidere | 39 |
| Broadland | 27 |
| Bancroft | 13 |
| Butler | 4 |
| City | 2026 Pop. ↓ |
|---|---|
| Canton | 2,976 |
| Chamberlain | 2,451 |
| Colonial Pine Hills | 2,313 |
| Custer | 1,776 |
| Crooks | 1,416 |
| Clear Lake | 1,219 |
| Clark | 1,189 |
| Centerville | 995 |
| Castlewood | 746 |
| Colman | 707 |
| Colton | 676 |
| Canistota | 670 |
| Corsica | 563 |
| Crook City | 342 |
| Colome | 339 |
| Chancellor | 327 |
| Chester | 204 |
| Cherry Creek | 194 |
| Corn Creek | 157 |
| Columbia | 154 |
| Conde | 138 |
| Cavour | 131 |
| Carthage | 126 |
| Central City | 114 |
| Claremont | 106 |
| Cresbard | 104 |
| Canova | 92 |
| Clearfield Colony | 86 |
| Claire City | 80 |
| Cow Creek | 79 |
| Clark Colony | 78 |
| Corona | 73 |
| Cameron Colony | 71 |
| Camp Crook | 71 |
| Clear Lake | 37 |
| Caputa | 36 |
| Crocker | 30 |
| Chelsea | 19 |
| Cottonwood | 9 |
| City | 2026 Pop. ↓ |
|---|---|
| Elk Point | 2,061 |
| Eagle Butte | 1,273 |
| Elkton | 808 |
| Estelline | 802 |
| Edgemont | 779 |
| Eureka | 765 |
| Emery | 463 |
| Ethan | 363 |
| Enemy Swim | 358 |
| Egan | 253 |
| Eden | 91 |
| Evergreen Colony | 73 |
| Erwin | 41 |
| City | 2026 Pop. ↓ |
|---|---|
| Green Valley | 1,636 |
| Groton | 1,327 |
| Gregory | 1,257 |
| Garretson | 1,161 |
| Gettysburg | 1,038 |
| Gayville | 372 |
| Gary | 238 |
| Glendale Colony | 218 |
| Goodwin | 155 |
| Geddes | 148 |
| Glenham | 105 |
| Golden View Colony | 101 |
| Green Grass | 98 |
| Grenville | 48 |
| Grassland Colony | 44 |
| Garden City | 36 |
| Gann Valley | 6 |
| City | 2026 Pop. ↓ |
|---|---|
| Johnson Siding | 674 |
| Jefferson | 441 |
| Java | 118 |
| Jamesville Colony | 81 |
| City | 2026 Pop. ↓ |
|---|---|
| Lead | 3,075 |
| Lennox | 2,684 |
| Lemmon | 1,157 |
| Lake Madison | 932 |
| Lower Brule | 815 |
| Lake Andes | 680 |
| Lake Norden | 670 |
| Lake Preston | 610 |
| Leola | 406 |
| Lake Poinsett | 395 |
| Little Eagle | 372 |
| La Plant | 288 |
| Langford | 276 |
| Letcher | 159 |
| Long Hollow | 159 |
| Lyons | 116 |
| Lesterville | 110 |
| La Bolt | 62 |
| Lane | 52 |
| Lake City | 44 |
| Lebanon | 31 |
| Long Lake | 27 |
| Loomis | 6 |
| Lowry | 5 |
| Lantry | 4 |
| City | 2026 Pop. ↓ |
|---|---|
| Mitchell | 15,757 |
| Madison | 6,050 |
| Milbank | 3,515 |
| Mobridge | 3,183 |
| Miller | 1,306 |
| Mina | 1,093 |
| Mission | 1,089 |
| Meadow View Addition | 959 |
| Martin | 926 |
| Marion | 906 |
| Manderson-White Horse Creek | 745 |
| Menno | 622 |
| McLaughlin | 546 |
| Mountain Plains | 507 |
| Murdo | 481 |
| Montrose | 477 |
| Mount Vernon | 463 |
| Marty | 224 |
| Mellette | 192 |
| Mission Hill | 185 |
| Monroe | 165 |
| McIntosh | 107 |
| Millerdale Colony | 105 |
| Midland | 104 |
| Mayfield Colony | 103 |
| Meckling | 79 |
| Morningside | 73 |
| Millbrook Colony | 66 |
| Mound City | 64 |
| Morristown | 42 |
| Mansfield | 36 |
| Maverick Junction | 26 |
| Marvin | 19 |
| Milltown | 6 |
| City | 2026 Pop. ↓ |
|---|---|
| North Sioux City | 3,039 |
| North Spearfish | 2,196 |
| North Eagle Butte | 1,312 |
| New Underwood | 594 |
| Newell | 571 |
| New Effington | 225 |
| Nisland | 206 |
| Northville | 134 |
| Norris | 108 |
| New Witten | 55 |
| New Elm Spring Colony | 49 |
| Nunda | 46 |
| Naples | 41 |
| New Holland | 5 |
| City | 2026 Pop. ↓ |
|---|---|
| Oglala | 1,673 |
| Onida | 635 |
| Oahe Acres | 545 |
| Oacoma | 391 |
| Okreek | 131 |
| Oelrichs | 129 |
| Oldham | 120 |
| Olivet | 61 |
| Old Elm Spring Colony | 55 |
| Ortley | 55 |
| Orient | 54 |
| Okaton | 50 |
| Oak Lane Colony | 46 |
| Orland Colony | 44 |
| Oral | 15 |
| Onaka | 14 |
| City | 2026 Pop. ↓ |
|---|---|
| Pierre | 13,786 |
| Pine Ridge | 2,289 |
| Parkston | 1,536 |
| Parker | 1,381 |
| Piedmont | 1,235 |
| Platte | 1,217 |
| Plankinton | 780 |
| Philip | 736 |
| Parmelee | 654 |
| Prairiewood Village | 610 |
| Presho | 461 |
| Porcupine | 431 |
| Pickstown | 248 |
| Pukwana | 239 |
| Pine Lakes Addition | 227 |
| Pollock | 225 |
| Peever | 171 |
| Peever Flats | 132 |
| Pierpont | 123 |
| Pringle | 102 |
| Prairie City | 22 |
| City | 2026 Pop. ↓ |
|---|---|
| Quinn | 61 |
| City | 2026 Pop. ↓ |
|---|---|
| Rapid City | 81,888 |
| Rapid Valley | 6,898 |
| Redfield | 2,093 |
| Rosebud | 1,738 |
| Rosholt | 367 |
| Roscoe | 281 |
| Renner Corner | 236 |
| Richland | 207 |
| Roslyn | 182 |
| Rowena | 169 |
| Ramona | 163 |
| Reliance | 127 |
| Running Water | 98 |
| Revillo | 96 |
| Ravinia | 71 |
| Ree Heights | 59 |
| Raymond | 57 |
| Rustic Acres Colony | 41 |
| Rockport Colony | 31 |
| Rockham | 20 |
| City | 2026 Pop. ↓ |
|---|---|
| Sioux Falls | 217,856 |
| Spearfish | 14,541 |
| Sturgis | 6,899 |
| Summerset | 3,039 |
| Sisseton | 2,402 |
| Springfield | 1,927 |
| Salem | 1,360 |
| Scotland | 806 |
| Shindler | 666 |
| Selby | 598 |
| St. Francis | 444 |
| Sicangu Village | 431 |
| Spring Creek | 353 |
| Stickney | 319 |
| Soldier Creek | 281 |
| Summit | 274 |
| Swift Bird | 225 |
| Spring Creek Colony | 198 |
| South Shore | 188 |
| St. Lawrence | 161 |
| Spencer | 140 |
| Sinai | 103 |
| Stockholm | 103 |
| Shamrock Colony | 80 |
| Sherman | 75 |
| Sunset Colony | 75 |
| Strandburg | 65 |
| Stratford | 57 |
| Spink Colony | 53 |
| Spring Lake Colony | 47 |
| Smithwick | 27 |
| Seneca | 24 |
| St. Charles | 14 |
| St. Onge | 13 |
| Stephan | 9 |
| Storla | 5 |
| City | 2026 Pop. ↓ |
|---|---|
| Tea | 8,520 |
| Tyndall | 1,127 |
| Tripp | 561 |
| Timber Lake | 556 |
| Two Strike | 442 |
| Tabor | 413 |
| Trent | 250 |
| Tulare | 204 |
| Toronto | 197 |
| Tschetter Colony | 118 |
| Turton | 53 |
| Twin Brooks | 47 |
| Tolstoy | 37 |
| City | 2026 Pop. ↓ |
|---|---|
| Utica | 68 |
| City | 2026 Pop. ↓ |
|---|---|
| Watertown | 23,937 |
| Winner | 2,987 |
| Webster | 1,670 |
| Wagner | 1,406 |
| Whitewood | 996 |
| Wonderland Homes | 962 |
| Worthing | 922 |
| Wessington Springs | 753 |
| Wanblee | 748 |
| Wall | 661 |
| Woonsocket | 652 |
| White River | 595 |
| West Brule | 593 |
| White | 578 |
| Wounded Knee | 508 |
| Waubay | 474 |
| Wolsey | 472 |
| Warner | 443 |
| Wilmot | 421 |
| White Lake | 412 |
| Wakonda | 336 |
| Willow Lake | 272 |
| White Horse | 219 |
| Wessington | 201 |
| Wakpala | 196 |
| Wentworth | 170 |
| Whitehorse | 124 |
| Wallace | 95 |
| Westport | 80 |
| Wasta | 59 |
| Wood | 49 |
| Ward | 44 |
| Winfred | 36 |
| Waverly | 26 |
| Wetonka | 13 |
| White Rock | 7 |