TowerCensus

Antenna structures in St. Clair County, Illinois

At a glance

St. Clair County, Illinois has 184 FCC-registered antenna structures, 109 of them marked constructed. That is the 8th-largest count among the 102 Illinois counties with registrations, and 2.6% of the state's 7,110. The tallest constructed structure in the county is registration 1012232 near Caseyville at 152 m (498 ft).

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

Registered structures
184
Constructed
109
Avg height
59 m
Tallest standing
152 m

How does St. Clair County compare with the rest of Illinois?

With 184 registrations, St. Clair County ranks 8th of 102 counties in Illinois; Cook County leads the state with 965. The average registered overall height here is 59 m, about 14% below the Illinois average of 69 m. The tallest standing structure, at 152 m, is about 2.6 times the county average.

What kinds of structures are registered in St. Clair County?

The most common filed structure type in St. Clair County is tower (code TOWER), with 74 registrations (40.2%). It is followed by monopole (25) and lattice tower (20). In all, 21 different FCC structure-type codes appear in the county.

By registration status: 109 constructed, 27 granted (not yet constructed), 24 canceled, 16 dismantled and 8 terminated. Only constructed registrations describe structures the registry treats as standing; canceled, dismantled and terminated records stay listed as history.

Who owns the towers in St. Clair County?

American Towers LLC holds the most registrations in St. Clair County, with 25 of the 184. The next largest are Birach Broadcasting Corporation (13), ARRAY DIGITAL INFRASTRUCTURE, INC. (8) and UNION PACIFIC RAILROAD COMPANY (8). 52 owners with two or more registrations nationwide hold structures in the county.

Which places in St. Clair County have registered structures?

Registrations in St. Clair County list 44 different city or place names. The most frequent are Belleville (28), Caseyville (12), Cahokia (12), East Saint Louis (11) and Washington Park (10).

Every registration

All 184 structures in St. Clair County, tallest first

#StructureHeightTypeStatus
1Caseyville · 1012232152 mTower (type not specified)Constructed
2Fairview Heights · 1021677145 mGuyed towerConstructed
3Fairview Heights · 1299684145 mGuyed towerCanceled
4Trenton · 1296765137 mGuyed towerGranted (not yet constructed)
5Belleville · 1226787125 mTower (type not specified)Constructed
6Columbia · 1007092123 mGuyed towerConstructed
7Saint Clair County · 1006874122 mGuyed towerGranted (not yet constructed)
8Saint Clair County · 1006875122 mGuyed towerGranted (not yet constructed)
9Saint Clair County · 1006876122 mGuyed towerGranted (not yet constructed)
10Saint Clair County · 1006877122 mGuyed towerGranted (not yet constructed)
11New Athens · 1008634114 mLattice towerConstructed
12East Saint Louis · 1008332108 mTower (type not specified)Constructed
13Turkey Hill · 1007464101 mTower (type not specified)Dismantled
14Washington Park · 1242970101 mAntenna tower array (tower 3 of 3)Canceled
15Washington Park · 1242978101 mAntenna tower array (tower 1 of 3)Canceled
16Washington Park · 1242984101 mAntenna tower array (tower 3 of 3)Canceled
17Washington Park · 1243005101 mAntenna tower array (tower 2 of 3)Granted (not yet constructed)
18Washington Park · 1243006101 mAntenna tower array (tower 3 of 3)Granted (not yet constructed)
19Washington Park · 1243016101 mAntenna tower array (tower 1 of 3)Constructed
20Caseyville · 125073999 mAntenna tower array (tower 1 of 3)Granted (not yet constructed)
21Caseyville · 125075199 mAntenna tower array (tower 2 of 3)Granted (not yet constructed)
22Caseyville · 125126499 mAntenna tower array (tower 3 of 3)Granted (not yet constructed)
23Washington Park · 106251699 mTower (type not specified)Dismantled
24Caseyville · 100709598 mTower (type not specified)Constructed
25New Athens · 121097498 mTower (type not specified)Canceled
26Marissa · 121248298 mLattice towerConstructed
27Marissa · 125700596 mTower (type not specified)Constructed
28E. St. Louis · 102568795 mTower (type not specified)Constructed
29Marissa · 125752294 mUnspecified structureDismantled
30East Carondelet · 101222994 mTower (type not specified)Constructed
31Belleville · 105935292 mTower (type not specified)Dismantled
32Belleville · 100981191 mTower (type not specified)Constructed
33Summerfield · 128760990 mGuyed towerConstructed
34East Carondelet · 131579090 mGuyed towerConstructed
35Belleville · 106316587 mTower (type not specified)Constructed
36Belleville · 102568186 mTower (type not specified)Constructed
37Freeburg · 125219185 mTower (type not specified)Constructed
38Belleville · 124919982 mTower (type not specified)Constructed
39Belleville · 125354782 mTower (type not specified)Dismantled
40Mascoutah · 130779381 mLattice towerGranted (not yet constructed)
41New Baden · 121218680 mGuyed towerConstructed
42New Athens · 122316380 mTower (type not specified)Constructed
43Lebanon · 122227680 mUnspecified structureDismantled
44New Athens · 121758679 mTower (type not specified)Canceled
45New Athens · 125752579 mTower (type not specified)Constructed
46Smithton · 126411079 mTower (type not specified)Canceled
47Lebanon · 130380979 mLattice towerGranted (not yet constructed)
48Fairview Heights · 125961173 mTower (type not specified)Constructed
49New Baden · 130401570 mLattice towerConstructed
50Millstadt · 122538967 mGuyed towerConstructed
51Freeburg · 121098867 mTower (type not specified)Canceled
52Belleville · 124844167 mTower (type not specified)Canceled
53Mascoutah · 100855764 mTower (type not specified)Constructed
54O' Fallon · 125945764 mTower (type not specified)Constructed
55East St Louis · 129715763 mLattice towerConstructed
56East Saint Louis · 100928062 mTower (type not specified)Constructed
57Belleville · 103808161 mLattice towerConstructed
58Belleville · 122854261 mTower (type not specified)Granted (not yet constructed)
59Freeburg · 123819361 mGuyed towerConstructed
60East St. Louis · 105444061 mTower (type not specified)Granted (not yet constructed)
61Caseyville · 127676261 mAntenna tower array (tower 1 of 3)Granted (not yet constructed)
62Caseyville · 127676361 mAntenna tower array (tower 3 of 3)Granted (not yet constructed)
63Caseyville · 127676461 mAntenna tower array (tower 2 of 3)Granted (not yet constructed)
64Belleville · 133342161 mLattice towerGranted (not yet constructed)
65Belleville · 123047761 mGuyed towerConstructed
66Collinsville · 126020761 mTower (type not specified)Canceled
67Freeburg · 126219961 mTower (type not specified)Canceled
68Smithton · 126508361 mTower (type not specified)Constructed
69Lebanon · 127444861 mTower (type not specified)Constructed
70Marissa · 105769260 mTower (type not specified)Constructed
71Dupo · 120342860 mAntenna tower array (tower 1 of 4)Constructed
72Dupo · 120343060 mAntenna tower array (tower 2 of 4)Constructed
73Dupo · 120343160 mAntenna tower array (tower 3 of 4)Constructed
74Dupo · 120343260 mAntenna tower array (tower 4 of 4)Constructed
75East Saint Louis · 128367360 mPoleConstructed
76Millstadt · 102509660 mTower (type not specified)Constructed
77Shiloh · 103525160 mTower (type not specified)Constructed
78Saint Clair · 100791159 mUnspecified structureDismantled
79O'Fallon · 121557258 mTankGranted (not yet constructed)
80Caseyville · 129679958 mMonopoleConstructed
81Belleville · 133443758 mLattice towerGranted (not yet constructed)
82East St. Louis · 125962857 mTower (type not specified)Constructed
83Mascoutah · 102663556 mLattice towerConstructed
84O' Fallon · 123046156 mLattice towerConstructed
85Belleville · 124164556 mMonopoleConstructed
86Bellville · 100901856 mAntenna tower array (tower 1 of 5)Terminated
87Bellville · 100901956 mAntenna tower array (tower 2 of 5)Terminated
88Bellville · 100902056 mAntenna tower array (tower 3 of 5)Terminated
89Bellville · 100902156 mAntenna tower array (tower 4 of 5)Terminated
90Bellville · 100902256 mAntenna tower array (tower 5 of 5)Terminated
91Bellevile · 123185655 mTower (type not specified)Canceled
92Belleville · 123326655 mTower (type not specified)Canceled
93O'Fallon · 122765455 mTower (type not specified)Constructed
94Belleville · 131230755 mLattice towerGranted (not yet constructed)
95Lebanon · 123916254 mGuyed towerConstructed
96Shiloh · 105873153 mPoleConstructed
97O'Fallon · 127724253 mMastCanceled
98Ofallon · 128367053 mTower (type not specified)Canceled
99Centerville · 100878052 mMonopoleConstructed
100Lebanon · 121886152 mTower (type not specified)Canceled
101Edgemont · 123568452 mTower (type not specified)Constructed
102Millstadt · 124867252 mTower (type not specified)Constructed
103O'Fallon · 102756051 mTower (type not specified)Terminated
104Washington Park · 122469950 mTower (type not specified)Terminated
105Shiloh · 105225949 mPoleConstructed
106Belleville · 104355749 mPoleConstructed
107Belleville · 121637349 mPoleConstructed
108East St. Louis · 125843549 mUnspecified structureDismantled
109East St. Louis · 127705649 mTower (type not specified)Granted (not yet constructed)
110Belleville · 121893948 mMastConstructed
111Belleville · 104855548 mPoleConstructed
112Shiloh · 102314847 mLattice towerConstructed
113Fairview Heights · 124926847 mUnspecified structureDismantled
114Belleville · 125790847 mTower (type not specified)Canceled
115Dupo · 133417547 mMonopoleConstructed
116East Saint Louis · 102874847 mTower (type not specified)Canceled
117Shiloh · 131548347 mMonopoleConstructed
118Alorton · 101172447 mMastConstructed
119East Saint Louis · 128354647 mPoleConstructed
120Swansea · 125886446 mMonopoleConstructed
121East St. Louis · 126710246 mTower (type not specified)Constructed
122Lebanon · 100291446 mTower (type not specified)Canceled
123Saint Louis · 104783546 mTower (type not specified)Dismantled
124Swansea · 105872946 mMonopoleConstructed
125Sauget · 100219046 mLattice towerConstructed
126Dupo · 126083746 mTower (type not specified)Canceled
127Dupo · 126797746 mTower (type not specified)Canceled
128Shiloh · 101363845 mMonopoleConstructed
129Mascoutah · 100864445 mTower (type not specified)Constructed
130Lebanon · 100006744 mLattice towerConstructed
131Centreville · 126230944 mTower (type not specified)Constructed
132Belleville · 128078644 mTower (type not specified)Constructed
133St. Louis · 125333343 mUnspecified structureDismantled
134Shiloh · 132048942 mMonopoleConstructed
135East Saint Louis · 120325741 mLattice towerConstructed
136East St Louis · 132073041 mLattice towerConstructed
137East Saint Louis · 127085541 mTower (type not specified)Constructed
138Edgemont · 125481639 mUnspecified structureDismantled
139Belleville · 124511938 mMonopoleConstructed
140Mascoutah · 132924038 mBuilding with antennaConstructed
141East Saint Louis · 100291538 mMonopoleConstructed
142East Carondelet · 105224938 mUnspecified structureDismantled
143O' Fallon · 127162737 mPoleConstructed
144Caseyville · 124272837 mTower (type not specified)Canceled
145Caseyville · 126103437 mTower (type not specified)Canceled
146Caseyville · 126357637 mTower (type not specified)Constructed
147Cahokia · 128577437 mMonopoleCanceled
148Cahokia · 130164537 mMonopoleConstructed
149Belleville · 130932237 mMonopoleConstructed
150Cahokia · 124597135 mTower (type not specified)Constructed
151East St. Louis · 105225435 mMastConstructed
152East Saint Louis · 102153834 mTower (type not specified)Constructed
153Belleville · 100878134 mTower (type not specified)Constructed
154Centreville · 102663434 mTower (type not specified)Constructed
155Cahokia · 129496134 mMonopoleConstructed
156East St. Louis · 120156733 mBuilding with towerGranted (not yet constructed)
157Shiloh · 125071332 mUnspecified structureConstructed
158Belleville · 124488232 mTower (type not specified)Constructed
159Collinsville · 125296832 mTower (type not specified)Granted (not yet constructed)
160Belleville · 105935331 mTower (type not specified)Dismantled
161East St Louis · 127934331 mPoleConstructed
162E St Louis · 129850131 mLattice towerConstructed
163East Saint Louis · 132093231 mLattice towerConstructed
164Shiloh Station · 123505330 mTower (type not specified)Constructed
165Cahokia · 125970627 mTower (type not specified)Constructed
166Summerfield · 128760427 mGuyed towerConstructed
167Washington Park · 131741227 mMonopoleConstructed
168Cahokia · 100933225 mMonopoleConstructed
169Cahokia · 124867324 mMonopoleConstructed
170East Saint Louis · 128386324 mMastConstructed
171Bellville · 100901724 mTower (type not specified)Terminated
172Mascoutah · 129811119 mMonopoleConstructed
173Scott Air Force · 129820519 mMonopoleConstructed
174Belleville · 122854118 mTower (type not specified)Constructed
175Sauget · 130582518 mMonopoleConstructed
176Washington Park · 130795118 mLattice towerDismantled
177Cahkia · 120519017 mTower (type not specified)Granted (not yet constructed)
178Cahokia · 128763315 mMonopoleConstructed
179Cahokia · 127908014 mPoleConstructed
180Cahokia · 129226214 mMonopoleConstructed
181Summerfield · 128431912 mTower (type not specified)Constructed
182Cahokia · 128618612 mMonopoleGranted (not yet constructed)
183Cahokia · 128618712 mMonopoleGranted (not yet constructed)
184Bellville · 10090169 mPoleDismantled

Frequently asked questions

How many cell towers are in St. Clair County, IL?

The FCC Antenna Structure Registration database lists 184 registered antenna structures in St. Clair County, Illinois, 109 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 St. Clair County?

The tallest constructed registered structure in St. Clair County is registration 1012232, a tower near Caseyville at 152 m (498 ft) overall height.

Who owns the most towers in St. Clair County?

American Towers LLC holds the most registrations in St. Clair County (25), followed by Birach Broadcasting Corporation (13).

What kind of towers are in St. Clair County?

Tower (type not specified) is the most common filed type (74 of 184 registrations), then monopole (25).

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 St. Clair County, Illinois”, https://towercensus.com/towers/illinois/county/st-clair-county (data as of October 13, 2026).