| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Aberdeen | city | South Dakota | United States | 45.46472 | -98.48611 | 1299 | 17152 |
| Academy | city | South Dakota | United States | 43.45639 | -99.07944 | 1699 | 270 |
| Agar | city | South Dakota | United States | 44.83833 | -100.07417 | 1830 | 72 |
| Ahnberg | city | South Dakota | United States | 44.30417 | -97.05667 | 1758 | 453 |
| Ajax | city | South Dakota | United States | 43.8975 | -103.18139 | 3435 | 166 |
| Akaska | city | South Dakota | United States | 45.3325 | -100.12028 | 1801 | 112 |
| Albee | city | South Dakota | United States | 45.05222 | -96.55306 | 1171 | 187 |
| Alcester | city | South Dakota | United States | 43.02139 | -96.63056 | 1394 | 789 |
| Alexandria | city | South Dakota | United States | 43.65361 | -97.7825 | 1325 | 285 |
| Allen | city | South Dakota | United States | 43.28083 | -101.92389 | 3300 | 117 |
| Allison Crossing | city | South Dakota | United States | 45.19889 | -101.91694 | 2227 | 47 |
| Alpena | city | South Dakota | United States | 44.18139 | -98.36528 | 1289 | 158 |
| Alsen | city | South Dakota | United States | 42.96111 | -96.80528 | 1322 | 529 |
| Alsville | city | South Dakota | United States | 44.58667 | -97.12778 | 1669 | 405 |
| Altamont | city | South Dakota | United States | 44.83972 | -96.68917 | 1850 | 210 |
| Alto | city | South Dakota | United States | 44.33 | -100.12694 | 1496 | 87 |
| Ames | city | South Dakota | United States | 44.26917 | -99.08444 | 1814 | 61 |
| Amherst | city | South Dakota | United States | 45.73806 | -97.92083 | 1302 | 221 |
| Anderson Subdivision | city | South Dakota | United States | 43.51639 | -96.62472 | 1400 | 7748 |
| Andover | city | South Dakota | United States | 45.41028 | -97.90222 | 1499 | 140 |
| Andys Acres | city | South Dakota | United States | 43.62944 | -96.68972 | 1440 | 3472 |
| Antelope | city | South Dakota | United States | 43.30306 | -100.62889 | 2568 | 201 |
| Antelope Development Area | city | South Dakota | United States | 43.30222 | -100.63417 | 2578 | 201 |
| Appleby | city | South Dakota | United States | 44.81694 | -97.05028 | 1719 | 503 |
| Ardmore | city | South Dakota | United States | 43.01944 | -103.65583 | 3585 | 53 |
| Argonne | city | South Dakota | United States | 44.07333 | -97.63833 | 1450 | 117 |
| Argyle | city | South Dakota | United States | 43.535 | -103.6475 | 4799 | 105 |
| Arlington | city | South Dakota | United States | 44.36444 | -97.13278 | 1814 | 352 |
| Arlington Beach | city | South Dakota | United States | 44.53389 | -97.0975 | 1706 | 431 |
| Armour | city | South Dakota | United States | 43.31861 | -98.34639 | 1512 | 361 |
| Arpan | city | South Dakota | United States | 44.78833 | -103.64861 | 2900 | 56 |
| Arrowhead Estates | city | South Dakota | United States | 44.03611 | -103.27639 | 3572 | 24279 |
| Artas | city | South Dakota | United States | 45.88806 | -99.80611 | 1824 | 111 |
| Artesian | city | South Dakota | United States | 44.00917 | -97.92056 | 1328 | 154 |
| Ashland Heights | city | South Dakota | United States | 44.12972 | -103.12472 | 3166 | 11697 |
| Ashton | city | South Dakota | United States | 44.995 | -98.4975 | 1289 | 122 |
| Astoria | city | South Dakota | United States | 44.55833 | -96.54694 | 1804 | 284 |
| Athboy | city | South Dakota | United States | 45.57417 | -101.92222 | 2303 | 70 |
| Athol | city | South Dakota | United States | 45.00889 | -98.59611 | 1289 | 131 |
| Aurora | city | South Dakota | United States | 44.28417 | -96.68528 | 1624 | 448 |
| Aurora Center | city | South Dakota | United States | 43.52694 | -98.58944 | 1653 | 204 |
| Avance historical | city | South Dakota | United States | 44.91833 | -102.24722 | 2526 | 33 |
| Avon | city | South Dakota | United States | 43.005 | -98.05944 | 1646 | 428 |
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