TowerCensus

Antenna structures in Alexander County, Illinois

At a glance

Alexander County, Illinois has 26 FCC-registered antenna structures, 19 of them marked constructed. That is the 79th-largest count among the 102 Illinois counties with registrations, and 0.37% of the state's 7,110. The tallest constructed structure in the county is registration 1262442 near Tamms at 95 m (310 ft).

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

Registered structures
26
Constructed
19
Avg height
60 m
Tallest standing
95 m

How does Alexander County compare with the rest of Illinois?

With 26 registrations, Alexander County ranks 79th of 102 counties in Illinois; Cook County leads the state with 965. The average registered overall height here is 60 m, about 13% below the Illinois average of 69 m. The tallest standing structure, at 95 m, is about 59% above the county average.

What kinds of structures are registered in Alexander County?

The most common filed structure type in Alexander County is tower (code TOWER), with 7 registrations (26.9%). It is followed by lattice tower (7) and monopole (5). In all, 8 different FCC structure-type codes appear in the county.

By registration status: 19 constructed, 4 canceled, 2 granted (not yet constructed) and 1 dismantled. Only constructed registrations describe structures the registry treats as standing; canceled, dismantled and terminated records stay listed as history.

Who owns the towers in Alexander County?

Tillman Infrastructure, LLC holds the most registrations in Alexander County, with 5 of the 26. The next largest are MRR License LLC (4), American Towers LLC (3) and UNION PACIFIC RAILROAD COMPANY (2). 14 owners with two or more registrations nationwide hold structures in the county.

Which places in Alexander County have registered structures?

Registrations in Alexander County list 8 different city or place names. The most frequent are Cairo (7), Tamms (6), East Cape Girardeau (4), Thebes (4) and Olive Branch (2).

Every registration

All 26 structures in Alexander County, tallest first

#StructureHeightTypeStatus
1Tamms · 126244295 mTower (type not specified)Constructed
2East Cape Girardeau · 100686282 mAntenna tower array (tower 3 of 3)Constructed
3East Cape Girardeau · 100686382 mAntenna tower array (tower 1 of 3)Granted (not yet constructed)
4East Cape Girardeau · 100686482 mAntenna tower array (tower 2 of 3)Constructed
5Tamms · 130970879 mLattice towerConstructed
6Tamms · 131087779 mLattice towerConstructed
7Olive Branch · 127682770 mUnspecified structureConstructed
8Tamms · 106120067 mGuyed towerConstructed
9Tamms · 131350064 mLattice towerCanceled
10East Cape Girardeau · 100686961 mGuyed towerConstructed
11Mc Clure · 122976161 mTower (type not specified)Canceled
12Thebes · 131295261 mLattice towerConstructed
13McClure · 122943361 mTower (type not specified)Constructed
14Cairo · 129639361 mMonopoleConstructed
15Cairo · 123179860 mPoleDismantled
16Thebes · 128702656 mLattice towerConstructed
17Thebes · 128656556 mMonopoleCanceled
18Tamms · 103428752 mTower (type not specified)Constructed
19Cairo · 133470952 mLattice towerGranted (not yet constructed)
20Thebes · 131083149 mMonopoleConstructed
21Cairo · 131471949 mMonopoleCanceled
22Cairo · 131522448 mMonopoleConstructed
23Cairo · 120497140 mLattice towerConstructed
24Diswood · 122531737 mTower (type not specified)Constructed
25Olive Branch · 122633237 mTower (type not specified)Constructed
26Cairo · 123903311 mTower (type not specified)Constructed

Frequently asked questions

How many cell towers are in Alexander County, IL?

The FCC Antenna Structure Registration database lists 26 registered antenna structures in Alexander County, Illinois, 19 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 Alexander County?

The tallest constructed registered structure in Alexander County is registration 1262442, a tower near Tamms at 95 m (310 ft) overall height.

Who owns the most towers in Alexander County?

Tillman Infrastructure, LLC holds the most registrations in Alexander County (5), followed by MRR License LLC (4).

What kind of towers are in Alexander County?

Tower (type not specified) is the most common filed type (7 of 26 registrations), then lattice 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 Alexander County, Illinois”, https://towercensus.com/towers/illinois/county/alexander-county (data as of October 13, 2026).