Antenna structures in Carroll County, Illinois
At a glance
Carroll County, Illinois has 33 FCC-registered antenna structures, 26 of them marked constructed. That is the 63rd-largest count among the 102 Illinois counties with registrations, and 0.46% of the state's 7,110. The tallest constructed structure in the county is registration 1008729 near Shannon at 155 m (510 ft).
Dataset updated . Refreshed from the FCC ASR weekly bulk database.
How does Carroll County compare with the rest of Illinois?
With 33 registrations, Carroll County ranks 63rd of 102 counties in Illinois; Cook County leads the state with 965. The average registered overall height here is 73 m, roughly in line with the Illinois average of 69 m. The tallest standing structure, at 155 m, is about twice the county average.
What kinds of structures are registered in Carroll County?
The most common filed structure type in Carroll County is lattice tower (code LTOWER), with 15 registrations (45.5%). It is followed by tower (7) and guyed tower (4). In all, 5 different FCC structure-type codes appear in the county.
By registration status: 26 constructed, 3 canceled, 2 dismantled and 2 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 Carroll County?
ARRAY DIGITAL INFRASTRUCTURE, INC. holds the most registrations in Carroll County, with 7 of the 33. The next largest are BNSF Railway Co. (4), TowerNorth Development, LLC (3) and CARROLL COUNTY COMMUNICATIONS INC DBA = WCCI FM (2). 16 owners with two or more registrations nationwide hold structures in the county.
Which places in Carroll County have registered structures?
Registrations in Carroll County list 13 different city or place names. The most frequent are Savanna (9), Lanark (5), Thomson (5), Mount Carroll (4) and Chadwick (2).
Every registration
All 33 structures in Carroll County, tallest first
| # | Structure | Height | Type | Status |
|---|---|---|---|---|
| 1 | Shannon · 1008729 | 155 m | Tower (type not specified) | Constructed |
| 2 | Savanna · 1022066 | 129 m | Tower (type not specified) | Constructed |
| 3 | Mount Carroll · 1000031 | 122 m | Tower (type not specified) | Constructed |
| 4 | Mount Carmel · 1305410 | 122 m | Guyed tower | Constructed |
| 5 | Mount Carroll · 1290418 | 106 m | Lattice tower | Granted (not yet constructed) |
| 6 | Mount Carroll · 1012902 | 98 m | Lattice tower | Constructed |
| 7 | Lanark · 1007856 | 95 m | Lattice tower | Constructed |
| 8 | Thomson · 1290913 | 95 m | Lattice tower | Canceled |
| 9 | Lanark · 1328343 | 93 m | Lattice tower | Canceled |
| 10 | Lanark · 1328792 | 93 m | Lattice tower | Constructed |
| 11 | Savanna · 1008213 | 82 m | Guyed tower | Constructed |
| 12 | Thomson · 1299503 | 80 m | Lattice tower | Constructed |
| 13 | Thompson · 1239637 | 79 m | Pole | Constructed |
| 14 | Lanark · 1249746 | 79 m | Lattice tower | Constructed |
| 15 | Savanna · 1022065 | 79 m | Tower (type not specified) | Constructed |
| 16 | Chadwick · 1261863 | 79 m | Lattice tower | Constructed |
| 17 | Lanark · 1299234 | 79 m | Lattice tower | Constructed |
| 18 | Savanna · 1013293 | 76 m | Unspecified structure | Dismantled |
| 19 | Savanna · 1207364 | 76 m | Guyed tower | Constructed |
| 20 | Thomson · 1334127 | 71 m | Lattice tower | Constructed |
| 21 | Chadwick · 1308977 | 64 m | Lattice tower | Constructed |
| 22 | Mt. Carroll · 1324333 | 61 m | Monopole | Canceled |
| 23 | Mt Carroll · 1328149 | 61 m | Monopole | Constructed |
| 24 | Savanna · 1047928 | 55 m | Lattice tower | Constructed |
| 25 | Savanna · 1234718 | 52 m | Tower (type not specified) | Constructed |
| 26 | Savana · 1207472 | 52 m | Tower (type not specified) | Constructed |
| 27 | Mount Carroll · 1313448 | 46 m | Lattice tower | Constructed |
| 28 | Thomson · 1296561 | 35 m | Lattice tower | Constructed |
| 29 | Thomson · 1313328 | 31 m | Guyed tower | Dismantled |
| 30 | Savanna · 1298626 | 15 m | Monopole | Constructed |
| 31 | Burke · 1319232 | 15 m | Monopole | Constructed |
| 32 | Wacker · 1298148 | 12 m | Pole | Granted (not yet constructed) |
| 33 | Savanna · 1233972 | 11 m | Tower (type not specified) | Constructed |
Frequently asked questions
How many cell towers are in Carroll County, IL?
The FCC Antenna Structure Registration database lists 33 registered antenna structures in Carroll County, Illinois, 26 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 Carroll County?
The tallest constructed registered structure in Carroll County is registration 1008729, a tower near Shannon at 155 m (510 ft) overall height.
Who owns the most towers in Carroll County?
ARRAY DIGITAL INFRASTRUCTURE, INC. holds the most registrations in Carroll County (7), followed by BNSF Railway Co. (4).
What kind of towers are in Carroll County?
Lattice tower is the most common filed type (15 of 33 registrations), then tower (7).
More in Illinois
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 Carroll County, Illinois”, https://towercensus.com/towers/illinois/county/carroll-county (data as of October 13, 2026).