| | 4601100380 | Afton township | Brookings County | SD | Active government
providing primary
general-purpose functions A |
| | 4601101260 | Alton township | Brookings County | SD | Active government
providing primary
general-purpose functions A |
| | 4601102100 | Argo township | Brookings County | SD | Active government
providing primary
general-purpose functions A |
| | 4601102180 | Arlington city | Brookings County | SD | Fictitious entity created
to fill the Census Bureau
geographic hierarchy F |
| | 4601102780 | Aurora town | Brookings County | SD | Fictitious entity created
to fill the Census Bureau
geographic hierarchy F |
| | 4601102820 | Aurora township | Brookings County | SD | Active government
providing primary
general-purpose functions A |
| | 4601103460 | Bangor township | Brookings County | SD | Active government
providing primary
general-purpose functions A |
| | 4601107580 | Brookings city | Brookings County | SD | Fictitious entity created
to fill the Census Bureau
geographic hierarchy F |
| | 4601107620 | Brookings township | Brookings County | SD | Active government
providing primary
general-purpose functions A |
| | 4601107740 | Bruce city | Brookings County | SD | Fictitious entity created
to fill the Census Bureau
geographic hierarchy F |