Antenna structures in Union County, South Dakota
At a glance
Union County, South Dakota has 24 FCC-registered antenna structures, 15 of them marked constructed. That is the 16th-largest count among the 66 South Dakota counties with registrations, and 1.9% of the state's 1,289. The tallest constructed structure in the county is registration 1049725 near Beresford at 200 m (656 ft).
Dataset updated . Refreshed from the FCC ASR weekly bulk database.
How does Union County compare with the rest of South Dakota?
With 24 registrations, Union County ranks 16th of 66 counties in South Dakota; Minnehaha County leads the state with 116. The average registered overall height here is 80 m, roughly in line with the South Dakota average of 84 m. The tallest standing structure, at 200 m, is about 2.5 times the county average.
What kinds of structures are registered in Union County?
The most common filed structure type in Union County is lattice tower (code LTOWER), with 7 registrations (29.2%). It is followed by guyed tower (5) and tower (5). In all, 6 different FCC structure-type codes appear in the county.
By registration status: 15 constructed, 4 canceled, 2 dismantled, 2 granted (not yet constructed) and 1 terminated. Only constructed registrations describe structures the registry treats as standing; canceled, dismantled and terminated records stay listed as history.
Who owns the towers in Union County?
American Towers LLC holds the most registrations in Union County, with 7 of the 24. The next largest are BIT/State Radio Communications Engineering (2), BNSF Railway Co. (2) and Iowa Wireless Services Holding Corporation (2). 13 owners with two or more registrations nationwide hold structures in the county.
Which places in Union County have registered structures?
Registrations in Union County list 10 different city or place names. The most frequent are North Sioux City (6), Beresford (4), Elk Point (3), Burbank (2) and Jefferson (2).
Every registration
All 24 structures in Union County, tallest first
| # | Structure | Height | Type | Status |
|---|---|---|---|---|
| 1 | Beresford · 1049725 | 200 m | Guyed tower | Constructed |
| 2 | Beresford · 1324365 | 200 m | Guyed tower | Constructed |
| 3 | Beresford · 1212371 | 103 m | Guyed tower | Constructed |
| 4 | Elk Point · 1212377 | 103 m | Tower (type not specified) | Constructed |
| 5 | Breresford · 1212368 | 102 m | Tower (type not specified) | Constructed |
| 6 | Burbank · 1212374 | 102 m | Guyed tower | Constructed |
| 7 | Elk Point · 1212378 | 102 m | Unspecified structure | Dismantled |
| 8 | Beresford · 1274234 | 94 m | Unspecified structure | Canceled |
| 9 | Burbank · 1274235 | 94 m | Unspecified structure | Canceled |
| 10 | Junction City · 1297987 | 94 m | Guyed tower | Constructed |
| 11 | Jefferson · 1231259 | 81 m | Lattice tower | Granted (not yet constructed) |
| 12 | Alsen · 1221942 | 77 m | Tower (type not specified) | Constructed |
| 13 | Elk Point · 1222826 | 77 m | Unspecified structure | Dismantled |
| 14 | North Sioux City · 1050807 | 66 m | Tank | Constructed |
| 15 | Jefferson · 1334731 | 61 m | Lattice tower | Granted (not yet constructed) |
| 16 | Dakota Dunes · 1225717 | 60 m | Lattice tower | Constructed |
| 17 | Dakota Dunes · 1207829 | 59 m | Lattice tower | Constructed |
| 18 | Alcester · 1256787 | 48 m | Tower (type not specified) | Terminated |
| 19 | North Sioux City · 1225715 | 47 m | Lattice tower | Constructed |
| 20 | North Sioux City · 1289088 | 43 m | Lattice tower | Constructed |
| 21 | North Sioux City · 1295788 | 34 m | Lattice tower | Constructed |
| 22 | Alcester · 1256269 | 33 m | Tower (type not specified) | Canceled |
| 23 | North Sioux City · 1288083 | 33 m | Monopole | Constructed |
| 24 | North Sioux City · 1292040 | 13 m | Pole | Canceled |
Frequently asked questions
How many cell towers are in Union County, SD?
The FCC Antenna Structure Registration database lists 24 registered antenna structures in Union County, South Dakota, 15 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 Union County?
The tallest constructed registered structure in Union County is registration 1049725, a guyed tower near Beresford at 200 m (656 ft) overall height.
Who owns the most towers in Union County?
American Towers LLC holds the most registrations in Union County (7), followed by BIT/State Radio Communications Engineering (2).
What kind of towers are in Union County?
Lattice tower is the most common filed type (7 of 24 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 Union County, South Dakota”, https://towercensus.com/towers/south-dakota/county/union-county (data as of October 13, 2026).