| City | 2025 Pop. ↓ |
|---|---|
| Brookings | 24,851 |
| Box Elder | 14,372 |
| Brandon | 10,784 |
| Belle Fourche | 5,906 |
| Blackhawk | 2,939 |
| Beresford | 2,064 |
| Baltic | 1,350 |
| Britton | 1,195 |
| Boulder Canyon | 706 |
| Blucksberg Mountain | 658 |
| Burke | 592 |
| Bridgewater | 504 |
| Bryant | 481 |
| Bowdle | 473 |
| Big Stone City | 413 |
| Buffalo | 354 |
| Blunt | 332 |
| Bison | 301 |
| Brant Lake South | 279 |
| Bristol | 272 |
| Bonesteel | 260 |
| Bullhead | 226 |
| Bruce | 217 |
| Buffalo Gap | 160 |
| Badger | 136 |
| Brandt | 119 |
| Burbank | 98 |
| Bridger | 94 |
| Bath Corner | 86 |
| Brentford | 85 |
| Brentwood Colony | 82 |
| Bushnell | 74 |
| Batesland | 73 |
| Bradley | 66 |
| Brant Lake | 55 |
| Belvidere | 43 |
| Broadland | 28 |
| Bath | 27 |
| Bancroft | 13 |
| Butler | 6 |
| City | 2025 Pop. ↓ |
|---|---|
| Canton | 2,948 |
| Chamberlain | 2,448 |
| Colonial Pine Hills | 2,309 |
| Custer | 1,801 |
| Crooks | 1,369 |
| Clear Lake | 1,196 |
| Clark | 1,171 |
| Centerville | 966 |
| Castlewood | 720 |
| Colman | 684 |
| Colton | 675 |
| Canistota | 646 |
| Corsica | 554 |
| Colome | 339 |
| Chancellor | 315 |
| Cherry Creek | 291 |
| Chester | 231 |
| Corn Creek | 202 |
| Crook City | 159 |
| Columbia | 156 |
| Conde | 138 |
| Cavour | 129 |
| Carthage | 127 |
| Clear Lake | 125 |
| Central City | 110 |
| Claremont | 105 |
| Cresbard | 101 |
| Canova | 94 |
| Cow Creek | 93 |
| Claire City | 81 |
| Clark Colony | 78 |
| Corona | 71 |
| Camp Crook | 70 |
| Cameron Colony | 56 |
| Clearfield Colony | 50 |
| Caputa | 36 |
| Crocker | 26 |
| Chelsea | 19 |
| Cloverleaf Colony | 18 |
| Cottonwood | 10 |
| City | 2025 Pop. ↓ |
|---|---|
| Elk Point | 2,056 |
| Eagle Butte | 1,275 |
| Elkton | 783 |
| Estelline | 774 |
| Edgemont | 766 |
| Eureka | 747 |
| Emery | 470 |
| Enemy Swim | 380 |
| Ethan | 358 |
| Egan | 249 |
| Evergreen Colony | 93 |
| Eden | 90 |
| Erwin | 39 |
| City | 2025 Pop. ↓ |
|---|---|
| Green Valley | 1,459 |
| Groton | 1,333 |
| Gregory | 1,279 |
| Garretson | 1,154 |
| Gettysburg | 1,051 |
| Gayville | 376 |
| Glendale Colony | 254 |
| Gary | 233 |
| Goodwin | 151 |
| Geddes | 150 |
| Golden View Colony | 134 |
| Glenham | 106 |
| Grenville | 45 |
| Garden City | 36 |
| Grassland Colony | 22 |
| Gann Valley | 15 |
| City | 2025 Pop. ↓ |
|---|---|
| Johnson Siding | 658 |
| Jefferson | 443 |
| Java | 119 |
| Jamesville Colony | 49 |
| City | 2025 Pop. ↓ |
|---|---|
| Lead | 3,052 |
| Lennox | 2,567 |
| Lemmon | 1,138 |
| Lower Brule | 962 |
| Lake Madison | 892 |
| Lake Andes | 686 |
| Lake Norden | 641 |
| Lake Preston | 608 |
| Lake Poinsett | 424 |
| Long Hollow | 407 |
| Leola | 399 |
| Little Eagle | 349 |
| La Plant | 332 |
| Langford | 278 |
| Letcher | 160 |
| Lesterville | 114 |
| Lyons | 105 |
| La Bolt | 62 |
| Lantry | 49 |
| Lane | 47 |
| Lake City | 45 |
| Lebanon | 30 |
| Long Lake | 25 |
| Lowry | 6 |
| City | 2025 Pop. ↓ |
|---|---|
| Mitchell | 15,607 |
| Madison | 6,067 |
| Milbank | 3,547 |
| Mobridge | 3,212 |
| Miller | 1,297 |
| Mission | 1,130 |
| Mina | 1,021 |
| Martin | 919 |
| Marion | 888 |
| Meadow View Addition | 658 |
| Manderson-White Horse Creek | 645 |
| Menno | 618 |
| Mountain Plains | 601 |
| McLaughlin | 535 |
| Murdo | 460 |
| Montrose | 459 |
| Mount Vernon | 457 |
| Mellette | 191 |
| Mission Hill | 179 |
| Monroe | 164 |
| Marty | 146 |
| Midland | 109 |
| Millerdale Colony | 108 |
| McIntosh | 106 |
| Morningside | 91 |
| Mayfield Colony | 66 |
| Mound City | 65 |
| Mansfield | 54 |
| Meckling | 46 |
| Morristown | 43 |
| Milltown | 31 |
| Marvin | 19 |
| Millbrook Colony | 15 |
| City | 2025 Pop. ↓ |
|---|---|
| North Sioux City | 3,062 |
| North Spearfish | 1,684 |
| North Eagle Butte | 1,594 |
| New Underwood | 611 |
| Newell | 586 |
| New Effington | 226 |
| Nisland | 212 |
| Norris | 156 |
| Northville | 132 |
| New Elm Spring Colony | 54 |
| New Witten | 54 |
| Nunda | 49 |
| Naples | 41 |
| New Holland | 5 |
| City | 2025 Pop. ↓ |
|---|---|
| Oglala | 1,478 |
| Onida | 638 |
| Oahe Acres | 494 |
| Oacoma | 393 |
| Oelrichs | 127 |
| Oldham | 117 |
| Okreek | 70 |
| Olivet | 62 |
| Oral | 55 |
| Okaton | 54 |
| Orient | 51 |
| Ortley | 50 |
| Old Elm Spring Colony | 49 |
| Orland Colony | 49 |
| Onaka | 14 |
| City | 2025 Pop. ↓ |
|---|---|
| Pierre | 13,718 |
| Pine Ridge | 2,824 |
| Parkston | 1,538 |
| Parker | 1,333 |
| Platte | 1,237 |
| Porcupine | 1,011 |
| Piedmont | 994 |
| Plankinton | 762 |
| Philip | 749 |
| Prairiewood Village | 514 |
| Presho | 466 |
| Parmelee | 402 |
| Pine Lakes Addition | 278 |
| Pukwana | 236 |
| Pickstown | 231 |
| Pollock | 221 |
| Peever | 173 |
| Peever Flats | 134 |
| Pierpont | 119 |
| Pringle | 105 |
| Prairie City | 27 |
| City | 2025 Pop. ↓ |
|---|---|
| Quinn | 60 |
| City | 2025 Pop. ↓ |
|---|---|
| Rapid City | 81,131 |
| Rapid Valley | 7,090 |
| Rosebud | 2,297 |
| Redfield | 2,075 |
| Rosholt | 370 |
| Roscoe | 279 |
| Renner Corner | 246 |
| Richland | 210 |
| Roslyn | 179 |
| Ramona | 161 |
| Rowena | 131 |
| Reliance | 127 |
| Revillo | 98 |
| Running Water | 95 |
| Ravinia | 71 |
| Raymond | 56 |
| Ree Heights | 55 |
| Rockport Colony | 34 |
| Rockham | 18 |
| City | 2025 Pop. ↓ |
|---|---|
| Sioux Falls | 213,249 |
| Spearfish | 14,197 |
| Sturgis | 6,993 |
| Summerset | 3,022 |
| Sisseton | 2,421 |
| Springfield | 1,912 |
| Salem | 1,311 |
| Scotland | 785 |
| Selby | 605 |
| Shindler | 585 |
| St. Francis | 467 |
| Stickney | 311 |
| Soldier Creek | 301 |
| Sicangu Village | 290 |
| Summit | 276 |
| Swift Bird | 224 |
| South Shore | 190 |
| St. Lawrence | 160 |
| Spring Creek Colony | 156 |
| Spencer | 136 |
| Spring Creek | 132 |
| Stockholm | 107 |
| Sinai | 101 |
| Sherman | 74 |
| Sunset Colony | 68 |
| Strandburg | 66 |
| Shamrock Colony | 64 |
| Spink Colony | 59 |
| Stratford | 58 |
| Stephan | 54 |
| Spring Lake Colony | 51 |
| Shannon Colony | 34 |
| Smithwick | 24 |
| Seneca | 23 |
| St. Charles | 9 |
| Storla | 6 |
| City | 2025 Pop. ↓ |
|---|---|
| Tea | 8,204 |
| Tyndall | 1,089 |
| Tripp | 561 |
| Timber Lake | 543 |
| Tabor | 399 |
| Two Strike | 356 |
| Trent | 244 |
| Tulare | 202 |
| Toronto | 194 |
| Tschetter Colony | 71 |
| Turton | 51 |
| Twin Brooks | 47 |
| Tolstoy | 36 |
| City | 2025 Pop. ↓ |
|---|---|
| Utica | 69 |
| City | 2025 Pop. ↓ |
|---|---|
| Watertown | 23,694 |
| Winner | 2,977 |
| Webster | 1,652 |
| Wagner | 1,415 |
| Whitewood | 982 |
| Wonderland Homes | 976 |
| Worthing | 909 |
| Wessington Springs | 775 |
| Wall | 665 |
| West Brule | 664 |
| Woonsocket | 649 |
| Wanblee | 645 |
| White | 559 |
| White River | 506 |
| Waubay | 474 |
| Wolsey | 461 |
| Warner | 444 |
| Wilmot | 424 |
| White Lake | 396 |
| Wounded Knee | 377 |
| Wakonda | 342 |
| Wakpala | 296 |
| Willow Lake | 268 |
| Wessington | 199 |
| Wentworth | 166 |
| Whitehorse | 148 |
| White Horse | 114 |
| Wallace | 94 |
| Westport | 82 |
| Wasta | 62 |
| Winfred | 58 |
| Ward | 44 |
| Wood | 41 |
| Waverly | 26 |
| Wetonka | 12 |
| White Rock | 7 |