TowerCensus

Antenna structures in Union County, Illinois

At a glance

Union County, Illinois has 36 FCC-registered antenna structures, 26 of them marked constructed. That is the 59th-largest count among the 102 Illinois counties with registrations, and 0.51% of the state's 7,108. The tallest constructed structure in the county is registration 1222800 near Dongola at 99 m (324 ft).

Dataset updated . Refreshed from the FCC ASR weekly bulk database.

Registered structures
36
Constructed
26
Avg height
71 m
Tallest standing
99 m

How does Union County compare with the rest of Illinois?

With 36 registrations, Union County ranks 59th of 102 counties in Illinois; Cook County leads the state with 965. The average registered overall height here is 71 m, roughly in line with the Illinois average of 69 m. The tallest standing structure, at 99 m, is about 39% above the county average.

What kinds of structures are registered in Union County?

The most common filed structure type in Union County is tower (code TOWER), with 18 registrations (50%). It is followed by lattice tower (8) and guyed tower (6). In all, 4 different FCC structure-type codes appear in the county.

By registration status: 26 constructed, 5 dismantled, 4 canceled 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 Union County?

American Towers LLC holds the most registrations in Union County, with 6 of the 36. The next largest are Cellco Partnership (5), ROY WALKER COMMUNICATIONS INC (4) and AMEREN ILLINOIS COMPANY (2). 18 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 Anna (8), Dongola (7), Cobden (7), Jonesboro (5) and Alto Pass (4).

Every registration

All 36 structures in Union County, tallest first

#StructureHeightTypeStatus
1Anna · 1008113122 mTower (type not specified)Dismantled
2Jonesboro · 127523899 mTower (type not specified)Canceled
3Dongola · 122280099 mMonopoleConstructed
4Dongola · 126443699 mTower (type not specified)Canceled
5Anna · 100963897 mGuyed towerConstructed
6Mill Creek · 126362996 mGuyed towerConstructed
7Anna · 126694495 mTower (type not specified)Constructed
8Dongola · 121466995 mTower (type not specified)Constructed
9Cobden · 100912791 mUnspecified structureDismantled
10Cobden · 100867590 mGuyed towerConstructed
11McClure · 128893890 mLattice towerConstructed
12Jonesboro · 127522985 mTower (type not specified)Constructed
13Dongola · 129179682 mLattice towerConstructed
14Alto Pass · 100941681 mLattice towerGranted (not yet constructed)
15Anna · 129464881 mLattice towerConstructed
16Cobden · 120619679 mTower (type not specified)Canceled
17Cobden · 120621879 mTower (type not specified)Constructed
18Dongola · 122370178 mLattice towerConstructed
19Jonesboro · 125678578 mLattice towerConstructed
20Cobden · 100890675 mTower (type not specified)Constructed
21Alto Pass · 100890861 mTower (type not specified)Constructed
22Cobden · 100928261 mTower (type not specified)Constructed
23Makanda · 124005661 mLattice towerConstructed
24Goreville · 121796461 mUnspecified structureDismantled
25Jonesboro · 122405661 mGuyed towerConstructed
26Anna · 122368060 mTower (type not specified)Canceled
27Buncombe · 122596360 mTower (type not specified)Constructed
28Dongola · 125490659 mUnspecified structureDismantled
29Alto Pass · 100889955 mTower (type not specified)Constructed
30Alto Pass · 127646355 mTower (type not specified)Constructed
31Anna · 128170845 mLattice towerConstructed
32Jonesboro · 120768532 mTower (type not specified)Constructed
33Cobden · 131332631 mGuyed towerDismantled
34Anna · 100941727 mTower (type not specified)Constructed
35Dongola · 120768423 mTower (type not specified)Constructed
36Anna · 131465123 mGuyed towerConstructed

Frequently asked questions

How many cell towers are in Union County, IL?

The FCC Antenna Structure Registration database lists 36 registered antenna structures in Union 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 Union County?

The tallest constructed registered structure in Union County is registration 1222800, a monopole near Dongola at 99 m (324 ft) overall height.

Who owns the most towers in Union County?

American Towers LLC holds the most registrations in Union County (6), followed by Cellco Partnership (5).

What kind of towers are in Union County?

Tower (type not specified) is the most common filed type (18 of 36 registrations), then lattice tower (8).

More in Illinois

About this data

Source: FCC Antenna Structure Registration (ASR) database, as published October 6, 2026 — TowerCensus refreshes it weekly. See the methodology for how records are matched, cleaned and scored.

Cite as: TowerCensus, “Antenna structures in Union County, Illinois”, https://towercensus.com/towers/illinois/county/union-county (data as of October 6, 2026).