Cell towers in Warren County, IL

The FCC registry lists 21 constructed antenna structures in Warren County, 0% of Illinois's 5,168. Ownership is spread across 13 registrants; the largest, Array Digital Infrastructure, has 6 (29%). The three big tower companies — American Tower, Crown Castle and SBA — hold 6 between them.

Value a buyout offer

1Constructed structures 21
2Tallest 408 ft
3Largest owner Array Digital Infrastructure
4Median height (state 207 ft) 228 ft

Structures

rank 76 of 102 in IL

Most common type

Guyed tower

29% of structures

Over 200 feet

52% of structures

Peak build decade

1990s

29% built then

Who owns the towers in Warren County

13 different registrants own the 21 structures. Owner names are the registrant's legal entity as filed with the FCC; the large tower companies file under many subsidiary names, which this site groups into families where the brand is in the name or listed in the company's SEC filings.

Constructed structures in Warren County by owner group, bars to scale. Source: FCC ASR, October 2026.

Height and age

The median structure here stands 228 feet, 21 feet taller than the Illinois median — a sign of broadcast and rural coverage towers rather than short suburban sites. The tallest is a guyed tower near Monmouth at 408 feet, built in 1990. More than in any other decade, 29% were built in the 1990s.

Structures in Warren County by type, bars to scale. Source: FCC ASR.

Structures in Warren County by decade built, columns to scale. Source: FCC ASR.

Every registered structure

Sorted tallest first. The registration number opens the FCC record, which shows the exact location and the owner's contact for the structure. A tower on your land that is not in this list is probably under 200 feet and away from airports, so it did not need registering — see why some towers aren't listed.

FCC reg.	Type	Height	Built	City	Owner
1005773	Guyed tower	408 ft	1990	Monmouth	SBA Towers II LLC
1321621	Guyed tower	408 ft	2022	Roseville	SBA Towers X, LLC
1008759	Guyed tower	350 ft	1996	Roseville	Cellco Partnership
1211573	Tower	328 ft	2000	Cameron	SpectraSite Communications, LLC. through American Towers, LLC.
1008882	Lattice tower	310 ft	1995	Roseville	ARRAY DIGITAL INFRASTRUCTURE, INC.
1009276	Tower	299 ft	1958	Monmouth	ILLINOIS, STATE OF
1253139	Lattice tower	262 ft	2006	Monouth	CCATT LLC
1245426	Lattice tower	260 ft	2004	Kirkwood	ARRAY DIGITAL INFRASTRUCTURE, INC.
1049107	Guyed tower	259 ft	1998	Avon	BNSF Railway Co.
1272590	Lattice tower	256 ft	2012	Monmouth	SBA Towers IX, LLC
1049108	Guyed tower	228 ft	2000	Kirkwood	BNSF Railway Co.
1049164	Guyed tower	200 ft	1976	Smithshire	BNSF Railway Co.
1245508	Monopole	199 ft	2004	Monmouth	ARRAY DIGITAL INFRASTRUCTURE, INC.
1274689	Tower	199 ft	2011	Monmouth	Octagon Towers, LLC
1008542	Tower	198 ft	1996	Monmouth	GEM ELECTRONICS OF MONMOUTH INC
1014247	Lattice tower	195 ft	1997	Cameron	ARRAY DIGITAL INFRASTRUCTURE, INC.
1235006	Mast	190 ft	2002	Cameron	Cellco Partnership
1295135	Monopole	151 ft	2015	Monmouth	SBA Towers VI, LLC
1302902	Monopole	89 ft	2017	Monmouth	ARRAY DIGITAL INFRASTRUCTURE, INC.
1302908	Monopole	89 ft	2017	Monmouth	ARRAY DIGITAL INFRASTRUCTURE, INC.
1300904	On a building	25 ft	2017	Monmouth	City Of Monmouth

If you have a tower lease in Warren County

Find your structure above, open its FCC record and confirm the owner — that is the company your lease runs to today, even if a different carrier signed it originally. Before answering a buyout offer, put your current rent, escalator and remaining term into the calculator to see what the rent is worth and what return the offer assumes.

Counties in Illinois with similar tower counts: Richland County (22), Washington County (22), Piatt County (21), Pulaski County (20), Alexander County (19).

Source: FCC Antenna Structure Registration, weekly public access file (r_tower.zip, created 2026-10-18); constructed registrations only; locations rounded. Checked 2026-10-23. Methodology.