TowerCensus

Antenna structures in Williamson County, Illinois

At a glance

Williamson County, Illinois has 85 FCC-registered antenna structures, 70 of them marked constructed. That is the 18th-largest count among the 102 Illinois counties with registrations, and 1.2% of the state's 7,110. The tallest constructed structure in the county is registration 1047010 near Creal Springs at 316 m (1,037 ft).

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

Registered structures
85
Constructed
70
Avg height
76 m
Tallest standing
316 m

How does Williamson County compare with the rest of Illinois?

With 85 registrations, Williamson County ranks 18th of 102 counties in Illinois; Cook County leads the state with 965. The average registered overall height here is 76 m, about 10% above the Illinois average of 69 m. The tallest standing structure, at 316 m, is about 4.2 times the county average.

What kinds of structures are registered in Williamson County?

The most common filed structure type in Williamson County is tower (code TOWER), with 38 registrations (44.7%). It is followed by lattice tower (24) and monopole (5). In all, 11 different FCC structure-type codes appear in the county.

By registration status: 70 constructed, 9 dismantled, 4 canceled 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 Williamson County?

Cellco Partnership holds the most registrations in Williamson County, with 17 of the 85. The next largest are American Towers LLC (9), SBA Structures, LLC (6) and AMEREN ILLINOIS COMPANY (5). 26 owners with two or more registrations nationwide hold structures in the county.

Which places in Williamson County have registered structures?

Registrations in Williamson County list 17 different city or place names. The most frequent are Marion (35), Johnston City (9), Herrin (7), Creal Springs (6) and Carbondale (4).

Every registration

All 85 structures in Williamson County, tallest first

#StructureHeightTypeStatus
1Creal Springs · 1047010316 mTower (type not specified)Constructed
2Creole Springs · 1006879172 mTower (type not specified)Constructed
3Johnston City · 1059897152 mTower (type not specified)Constructed
4Marion · 1009768150 mTower (type not specified)Constructed
5Herrin · 1008705137 mUnspecified structureDismantled
6Carbondale · 1027046113 mUnspecified structureDismantled
7Pittsburg · 1017983113 mTower (type not specified)Constructed
8Bush · 1055672107 mTower (type not specified)Canceled
9Bush · 1207609106 mGuyed towerConstructed
10Herrin · 105219997 mTower (type not specified)Constructed
11Marion · 102705196 mTower (type not specified)Dismantled
12Herrin · 100939696 mTower (type not specified)Constructed
13Marion · 100962995 mLattice towerConstructed
14Creal Springs · 126258495 mLattice towerConstructed
15Herrin · 122254195 mTower (type not specified)Canceled
16Herrin · 122536795 mTower (type not specified)Constructed
17Johnson City · 123688495 mTower (type not specified)Constructed
18Marion · 127288494 mTower (type not specified)Constructed
19Creal Springs · 126195592 mLattice towerConstructed
20Carterville · 100977091 mTower (type not specified)Constructed
21Marion · 132521291 mLattice towerConstructed
22Johnston City · 100976491 mAntenna tower array (tower 1 of 4)Constructed
23Johnston City · 100976591 mAntenna tower array (tower 2 of 4)Constructed
24Johnston City · 100976691 mAntenna tower array (tower 3 of 4)Constructed
25Johnston City · 100976791 mAntenna tower array (tower 4 of 4)Constructed
26Carterville · 100962291 mGuyed towerConstructed
27Marion · 131699989 mLattice towerConstructed
28Crab Orchard · 131859787 mLattice towerConstructed
29Marion · 100935286 mTower (type not specified)Dismantled
30Creal Springs · 126453082 mUnspecified structureCanceled
31Marion · 126402381 mTower (type not specified)Constructed
32Marion · 127455881 mTower (type not specified)Constructed
33Creal Springs · 130167081 mLattice towerConstructed
34Creal Springs · 129320881 mLattice towerConstructed
35Marion · 129335081 mLattice towerConstructed
36Thompsonville · 129379481 mLattice towerConstructed
37Johnston City · 129831981 mLattice towerConstructed
38Marion · 129845080 mLattice towerConstructed
39Marion · 105553279 mTower (type not specified)Dismantled
40Johnston City · 121415479 mTower (type not specified)Constructed
41Crab Orchard · 121981379 mTower (type not specified)Constructed
42Marion · 129535579 mLattice towerConstructed
43Johnson City · 131731179 mLattice towerConstructed
44Marion · 121415179 mLattice towerConstructed
45Marion · 123958979 mTower (type not specified)Constructed
46Marion · 122321078 mLattice towerConstructed
47Marion · 122050378 mTower (type not specified)Dismantled
48Johnson City · 122050878 mLattice towerConstructed
49Marion · 121991676 mLattice towerConstructed
50Marion · 101061467 mStructure type 2TOWERDismantled
51Carrier Mills · 100874866 mTower (type not specified)Constructed
52Crab Orchard · 100943261 mGuyed towerConstructed
53Carbondale · 122961161 mTower (type not specified)Constructed
54Marion · 130862861 mGuyed towerConstructed
55Marion · 101061361 mStructure type 2TOWERDismantled
56Johnston City · 126368660 mTower (type not specified)Constructed
57Crainville · 122594160 mTower (type not specified)Constructed
58Marion · 122596660 mTower (type not specified)Constructed
59Marion · 128554160 mLattice towerConstructed
60Cartersville · 121061559 mTower (type not specified)Constructed
61Marion · 125020058 mLattice towerConstructed
62Marion · 100945557 mTower (type not specified)Constructed
63Johnston City · 130641955 mMonopoleConstructed
64Marion · 131730455 mMonopoleCanceled
65Carbondale · 128912850 mPoleConstructed
66Carbondale · 123958849 mLattice towerConstructed
67Carterville · 124031449 mTower (type not specified)Constructed
68Johnson City · 130779749 mMonopoleConstructed
69Marion · 126566045 mTower (type not specified)Constructed
70Crainville · 120638844 mTower (type not specified)Constructed
71Marion · 123934443 mTower (type not specified)Constructed
72Marion · 124034843 mTower (type not specified)Constructed
73Marion · 125373942 mTower (type not specified)Constructed
74Herrin · 123122440 mMonopoleConstructed
75Energy · 123453540 mLattice towerConstructed
76Energy · 129337440 mMonopoleConstructed
77Marion · 128619437 mLattice towerConstructed
78Carterville · 129513236 mLattice towerConstructed
79Marion · 127884534 mUnspecified structureConstructed
80Energy · 127789130 mTower (type not specified)Granted (not yet constructed)
81Marion · 100945627 mTower (type not specified)Constructed
82Herrin · 100944321 mPoleDismantled
83Ordill · 100947316 mPoleConstructed
84Marion · 131851712 mOil rigGranted (not yet constructed)
85Marion · 124495811 mTower (type not specified)Constructed

Frequently asked questions

How many cell towers are in Williamson County, IL?

The FCC Antenna Structure Registration database lists 85 registered antenna structures in Williamson County, Illinois, 70 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 Williamson County?

The tallest constructed registered structure in Williamson County is registration 1047010, a tower near Creal Springs at 316 m (1,037 ft) overall height.

Who owns the most towers in Williamson County?

Cellco Partnership holds the most registrations in Williamson County (17), followed by American Towers LLC (9).

What kind of towers are in Williamson County?

Tower (type not specified) is the most common filed type (38 of 85 registrations), then lattice tower (24).

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 Williamson County, Illinois”, https://towercensus.com/towers/illinois/county/williamson-county (data as of October 13, 2026).