| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Galena | city | South Dakota | United States | 44.33 | -103.64 | 5285 | |
| Gallup | city | South Dakota | United States | 45.07 | -98.50 | 1669 | |
| Gannvalley | city | South Dakota | United States | 44.03 | -98.99 | 1706 | |
| Garden City | city | South Dakota | United States | 44.96 | -97.58 | 1863 | |
| Garretson | city | South Dakota | United States | 43.72 | -96.50 | 1669 | |
| Gary | city | South Dakota | United States | 44.79 | -96.46 | 1669 | |
| Gayville | city | South Dakota | United States | 44.37 | -103.76 | 5203 | |
| Gayville | city | South Dakota | United States | 42.89 | -97.17 | 1171 | |
| Geddes | city | South Dakota | United States | 43.25 | -98.70 | 1669 | |
| Gederos Estates | city | South Dakota | United States | 45.51 | -98.51 | 1669 | |
| Gettysburg | city | South Dakota | United States | 45.01 | -99.96 | 2053 | |
| Glad Valley | city | South Dakota | United States | 45.40 | -101.78 | 2509 | |
| Glencross | city | South Dakota | United States | 45.45 | -100.92 | 2509 | |
| Glendale Colony | city | South Dakota | United States | 44.80 | -98.29 | 1669 | |
| Glenham | city | South Dakota | United States | 45.53 | -100.27 | 1719 | |
| Glenwood (historical) | city | South Dakota | United States | 43.08 | -96.84 | 1669 | |
| Goiens (historical) | city | South Dakota | United States | 44.20 | -103.39 | 4255 | |
| Gold Mountain Subdivision | city | South Dakota | United States | 43.96 | -103.60 | 5200 | |
| Golden View Colony | city | South Dakota | United States | 43.69 | -97.44 | 1669 | |
| Goodwill | city | South Dakota | United States | 45.57 | -97.07 | 1669 | |
| Goodwin | city | South Dakota | United States | 44.88 | -96.85 | 1991 | |
| Gorman | city | South Dakota | United States | 44.93 | -100.07 | 1906 | |
| Gossage Memorial | city | South Dakota | United States | 44.07 | -103.25 | 3559 | |
| Graceville Colony | city | South Dakota | United States | 43.93 | -97.29 | 1669 | |
| Grandview | city | South Dakota | United States | 43.64 | -99.30 | 1735 | |
| Grandview (historical) | city | South Dakota | United States | 43.40 | -98.36 | 1669 | |
| Grass Ranch Colony | city | South Dakota | United States | 43.65 | -98.88 | 1669 | |
| Grassland Colony | city | South Dakota | United States | 45.67 | -98.79 | 1669 | |
| Gray Goose | city | South Dakota | United States | 44.50 | -100.35 | 1722 | |
| Green Grass | city | South Dakota | United States | 45.17 | -101.25 | 1981 | |
| Green Trees Subdivision | city | South Dakota | United States | 44.95 | -97.16 | 1706 | |
| Green Valley | city | South Dakota | United States | 44.04 | -103.11 | 3349 | |
| Greenfield | city | South Dakota | United States | 42.88 | -96.85 | 1230 | |
| Greenway | city | South Dakota | United States | 45.91 | -99.71 | 1902 | |
| Greenwood | city | South Dakota | United States | 42.92 | -98.39 | 1256 | |
| Greenwood | city | South Dakota | United States | 44.22 | -103.56 | 5029 | |
| Greenwood Colony | city | South Dakota | United States | 43.21 | -98.15 | 1669 | |
| Gregory | city | South Dakota | United States | 43.23 | -99.43 | 2509 | |
| Gregory (historical) | city | South Dakota | United States | 44.16 | -103.74 | 5882 | |
| Grenville | city | South Dakota | United States | 45.47 | -97.39 | 1797 | |
| Gretna | city | South Dakota | United States | 45.45 | -99.51 | 1935 | |
| Grindstone | city | South Dakota | United States | 44.14 | -101.97 | 2509 | |
| Gros (historical) | city | South Dakota | United States | 45.09 | -97.94 | 1669 | |
| Grosse | city | South Dakota | United States | 43.93 | -99.29 | 1722 | |
| Groton | city | South Dakota | United States | 45.45 | -98.10 | 1669 | |
| Grover | city | South Dakota | United States | 44.81 | -97.27 | 1751 | |
| Gustave | city | South Dakota | United States | 45.28 | -103.98 | 3402 |