Antenna structures in Grant County, South Dakota
At a glance
Grant County, South Dakota has 17 FCC-registered antenna structures, 14 of them marked constructed. That is the 23rd-largest count among the 66 South Dakota counties with registrations, and 1.3% of the state's 1,289. The tallest constructed structure in the county is registration 1042192 near South Shore at 250 m (820 ft).
Dataset updated . Refreshed from the FCC ASR weekly bulk database.
How does Grant County compare with the rest of South Dakota?
With 17 registrations, Grant County ranks 23rd of 66 counties in South Dakota; Minnehaha County leads the state with 116. The average registered overall height here is 94 m, about 11% above the South Dakota average of 84 m. The tallest standing structure, at 250 m, is about 2.7 times the county average.
What kinds of structures are registered in Grant County?
The most common filed structure type in Grant County is tower (code TOWER), with 10 registrations (58.8%). It is followed by guyed tower (5) and building tower (1). In all, 4 different FCC structure-type codes appear in the county.
By registration status: 14 constructed, 2 dismantled and 1 granted (not yet constructed). Only constructed registrations describe structures the registry treats as standing; canceled, dismantled and terminated records stay listed as history.
Who owns the towers in Grant County?
American Towers LLC and OTTER TAIL POWER COMPANY hold the most registrations in Grant County, 2 each of the 17. Other owners include Armada Media Corporation (1), BNSF Railway Co. (1) and CCATT LLC (1). 12 owners with two or more registrations nationwide hold structures in the county.
Which places in Grant County have registered structures?
Registrations in Grant County list 7 different city or place names. The most frequent are Milbank (10), Big Stone City (2), South Shore (1), Stockholm (1) and Summit (1).
Every registration
All 17 structures in Grant County, tallest first
| # | Structure | Height | Type | Status |
|---|---|---|---|---|
| 1 | South Shore · 1042192 | 250 m | Guyed tower | Constructed |
| 2 | Milbank · 1001825 | 151 m | Guyed tower | Constructed |
| 3 | Stockholm · 1264875 | 151 m | Tower (type not specified) | Granted (not yet constructed) |
| 4 | Milbank · 1041807 | 150 m | Tower (type not specified) | Dismantled |
| 5 | Summit · 1040236 | 106 m | Guyed tower | Constructed |
| 6 | Big Stone City · 1042273 | 104 m | Building with tower | Constructed |
| 7 | Milbank · 1271057 | 94 m | Tower (type not specified) | Constructed |
| 8 | Milbank · 1264795 | 93 m | Guyed tower | Constructed |
| 9 | Milbank · 1264796 | 92 m | Guyed tower | Constructed |
| 10 | Watertown · 1216008 | 79 m | Tower (type not specified) | Constructed |
| 11 | Revillo · 1271734 | 78 m | Tower (type not specified) | Constructed |
| 12 | Milbank · 1042296 | 70 m | Tower (type not specified) | Dismantled |
| 13 | Big Stone City · 1264343 | 61 m | Tower (type not specified) | Constructed |
| 14 | Milbank · 1225697 | 43 m | Tower (type not specified) | Constructed |
| 15 | Milbank · 1042091 | 31 m | Tower (type not specified) | Constructed |
| 16 | Milbank · 1205676 | 23 m | Tower (type not specified) | Constructed |
| 17 | Milbank · 1289268 | 15 m | Monopole | Constructed |
Frequently asked questions
How many cell towers are in Grant County, SD?
The FCC Antenna Structure Registration database lists 17 registered antenna structures in Grant County, South Dakota, 14 of them constructed. Registration is generally required only for structures taller than about 60 m or near airports, so shorter cell sites may not appear.
What is the tallest tower in Grant County?
The tallest constructed registered structure in Grant County is registration 1042192, a guyed tower near South Shore at 250 m (820 ft) overall height.
Who owns the most towers in Grant County?
American Towers LLC and OTTER TAIL POWER COMPANY are tied for the most registrations in Grant County, with 2 each.
What kind of towers are in Grant County?
Tower (type not specified) is the most common filed type (10 of 17 registrations), then guyed tower (5).
More in South Dakota
About this data
Source: FCC Antenna Structure Registration (ASR) database, as published October 13, 2026 — TowerCensus refreshes it weekly. See the methodology for how records are matched, cleaned and scored.
Cite as: TowerCensus, “Antenna structures in Grant County, South Dakota”, https://towercensus.com/towers/south-dakota/county/grant-county (data as of October 13, 2026).