| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Bad Wound | city | South Dakota | United States | 43.30 | -101.76 | 3349 | |
| Badger | city | South Dakota | United States | 44.49 | -97.20 | 1728 | |
| Badnation | city | South Dakota | United States | 43.65 | -100.37 | 2509 | |
| Baltic | city | South Dakota | United States | 43.76 | -96.74 | 1669 | |
| Bancroft | city | South Dakota | United States | 44.49 | -97.75 | 1669 | |
| Bard (historical) | city | South Dakota | United States | 43.71 | -97.90 | 1669 | |
| Barnard | city | South Dakota | United States | 45.73 | -98.50 | 1669 | |
| Batesland | city | South Dakota | United States | 43.13 | -102.10 | 3398 | |
| Bath | city | South Dakota | United States | 45.47 | -98.32 | 1669 | |
| Bath Corner | city | South Dakota | United States | 45.46 | -98.33 | 1669 | |
| Bear Butte | city | South Dakota | United States | 44.47 | -103.31 | 2860 | |
| Bear Creek | city | South Dakota | United States | 45.06 | -101.45 | 2509 | |
| Beardsley | city | South Dakota | United States | 43.30 | -97.98 | 1669 | |
| Beaver Crossing | city | South Dakota | United States | 44.38 | -104.00 | 5869 | |
| Beebe | city | South Dakota | United States | 45.45 | -99.20 | 1725 | |
| Belle Fourche | city | South Dakota | United States | 44.67 | -103.85 | 3349 | |
| Belvidere | city | South Dakota | United States | 43.83 | -101.27 | 2509 | |
| Bemis | city | South Dakota | United States | 44.83 | -96.85 | 1948 | |
| Benchmark | city | South Dakota | United States | 44.23 | -103.58 | 5052 | |
| Benclare | city | South Dakota | United States | 43.51 | -96.48 | 1669 | |
| Bend | city | South Dakota | United States | 44.23 | -103.01 | 2919 | |
| Beresford | city | South Dakota | United States | 43.08 | -96.77 | 1669 | |
| Berne | city | South Dakota | United States | 43.82 | -103.64 | 5869 | |
| Betts | city | South Dakota | United States | 43.71 | -98.15 | 1669 | |
| Bieglers First Addition | city | South Dakota | United States | 45.55 | -98.61 | 1669 | |
| Big Bend | city | South Dakota | United States | 44.07 | -103.41 | 4206 | |
| Big Springs | city | South Dakota | United States | 42.94 | -96.61 | 1669 | |
| Big Stone City | city | South Dakota | United States | 45.29 | -96.46 | 1000 | |
| Bijou Hills | city | South Dakota | United States | 43.52 | -99.15 | 1742 | |
| Billsburg | city | South Dakota | United States | 44.40 | -101.68 | 2509 | |
| Bison | city | South Dakota | United States | 45.52 | -102.46 | 2798 | |
| Bixby | city | South Dakota | United States | 45.15 | -102.56 | 2509 | |
| Black Eyes | city | South Dakota | United States | 43.26 | -101.70 | 3349 | |
| Black Horse | city | South Dakota | United States | 45.72 | -101.38 | 1899 | |
| Blackhawk | city | South Dakota | United States | 44.15 | -103.31 | 3556 | |
| Blackpipe | city | South Dakota | United States | 43.34 | -101.27 | 2887 | |
| Blacktail | city | South Dakota | United States | 44.37 | -103.76 | 5203 | |
| Bloomfield | city | South Dakota | United States | 44.63 | -98.10 | 1669 | |
| Bloomingdale | city | South Dakota | United States | 42.92 | -96.96 | 1207 | |
| Blue Bell | city | South Dakota | United States | 43.72 | -103.48 | 5029 | |
| Bluff Center (historical) | city | South Dakota | United States | 42.92 | -97.09 | 1158 | |
| Blumengard Colony | city | South Dakota | United States | 45.24 | -99.17 | 1669 | |
| Blunt | city | South Dakota | United States | 44.51 | -99.99 | 1669 | |
| Boekhoff Subdivision | city | South Dakota | United States | 43.54 | -96.84 | 1669 | |
| Bon Homme Colony | city | South Dakota | United States | 42.86 | -97.71 | 1246 | |
| Boneita Springs | city | South Dakota | United States | 44.44 | -102.56 | 2614 | |
| Bonesteel | city | South Dakota | United States | 43.08 | -98.94 | 1945 | |
| Bonilla | city | South Dakota | United States | 44.58 | -98.50 | 1669 | |
| Booge | city | South Dakota | United States | 43.65 | -96.46 | 1669 | |
| Bovee | city | South Dakota | United States | 43.32 | -98.77 | 1669 | |
| Bowdle | city | South Dakota | United States | 45.45 | -99.65 | 1998 | |
| Box Elder | city | South Dakota | United States | 44.11 | -103.07 | 3349 | |
| Bradley | city | South Dakota | United States | 45.09 | -97.64 | 1788 | |
| Bramhall (historical) | city | South Dakota | United States | 44.52 | -99.30 | 1807 | |
| Brandon | city | South Dakota | United States | 43.59 | -96.57 | 1669 | |
| Brandt | city | South Dakota | United States | 44.66 | -96.62 | 1850 | |
| Brentford | city | South Dakota | United States | 45.16 | -98.32 | 1669 | |
| Brentwood Colony | city | South Dakota | United States | 45.15 | -99.30 | 1725 | |
| Bridger | city | South Dakota | United States | 44.55 | -101.91 | 1873 | |
| Bridgewater | city | South Dakota | United States | 43.55 | -97.51 | 1669 | |
| Bristol | city | South Dakota | United States | 45.34 | -97.75 | 1768 | |
| Britton | city | South Dakota | United States | 45.79 | -97.75 | 1669 | |
| Broadland | city | South Dakota | United States | 44.49 | -98.35 | 1669 | |
| Broadmoor Subdivision | city | South Dakota | United States | 44.04 | -103.27 | 3494 | |
| Brookings | city | South Dakota | United States | 44.31 | -96.80 | 1669 | |
| Brownsville (historical) | city | South Dakota | United States | 44.28 | -103.69 | 5869 | |
| Bruce | city | South Dakota | United States | 44.44 | -96.89 | 1669 | |
| Bryant | city | South Dakota | United States | 44.59 | -97.47 | 1830 | |
| Buffalo | city | South Dakota | United States | 45.58 | -103.55 | 2864 | |
| Buffalo Chip | city | South Dakota | United States | 44.41 | -103.41 | 3349 | |
| Buffalo Gap | city | South Dakota | United States | 43.49 | -103.31 | 3349 | |
| Bullhead | city | South Dakota | United States | 45.77 | -101.08 | 1791 | |
| Bunker (historical) | city | South Dakota | United States | 44.24 | -101.10 | 2040 | |
| Burbank | city | South Dakota | United States | 42.75 | -96.83 | 1125 | |
| Burdette | city | South Dakota | United States | 44.70 | -98.80 | 1669 | |
| Burdock | city | South Dakota | United States | 43.45 | -103.99 | 3605 | |
| Burke | city | South Dakota | United States | 43.18 | -99.29 | 2509 | |
| Burkmere | city | South Dakota | United States | 45.05 | -99.31 | 1748 | |
| Bushnell | city | South Dakota | United States | 44.33 | -96.64 | 1669 | |
| Butler | city | South Dakota | United States | 45.26 | -97.71 | 1824 |