TowerCensus

Antenna structures in St. Charles County, Missouri

At a glance

St. Charles County, Missouri has 184 FCC-registered antenna structures, 136 of them marked constructed. That is the 3rd-largest count among the 115 Missouri counties with registrations, and 3.1% of the state's 6,026. The tallest constructed structure in the county is registration 1214732 near Portage Des Sioux at 184 m (603 ft).

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

Registered structures
184
Constructed
136
Avg height
52 m
Tallest standing
184 m

How does St. Charles County compare with the rest of Missouri?

With 184 registrations, St. Charles County ranks 3rd of 115 counties in Missouri; St. Louis County leads the state with 447. The average registered overall height here is 52 m, about 33% below the Missouri average of 77 m. The tallest standing structure, at 184 m, is about 3.5 times the county average.

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

The most common filed structure type in St. Charles County is tower (code TOWER), with 73 registrations (39.7%). It is followed by monopole (36) and pole (24). In all, 14 different FCC structure-type codes appear in the county.

By registration status: 136 constructed, 20 canceled, 12 dismantled, 10 granted (not yet constructed) and 6 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. Charles County?

St. Charles Tower, Inc. holds the most registrations in St. Charles County, with 25 of the 184. The next largest are COUNTY OF ST. CHARLES (18), American Towers LLC (12) and Diamond Towers IV LLC (11). 45 owners with two or more registrations nationwide hold structures in the county.

Which places in St. Charles County have registered structures?

Registrations in St. Charles County list 32 different city or place names. The most frequent are St. Charles (58), St. Peters (23), Wentzville (18), O'Fallon (15) and Saint Charles (11).

Every registration

All 184 structures in St. Charles County, tallest first

#StructureHeightTypeStatus
1Portage Des Sioux · 1214732184 mSmoke stackConstructed
2Saint Charles · 1005881154 mTower (type not specified)Dismantled
3Saint Charles · 1225623154 mGuyed towerConstructed
4O Fallon · 1002350152 mGuyed towerConstructed
5West Alton · 1287535137 mLattice towerGranted (not yet constructed)
6Augusta · 1286833137 mLattice towerConstructed
7West Alton · 1286443136 mLattice towerConstructed
8St. Peters · 1286461123 mLattice towerConstructed
9Defiance · 1282256119 mTower (type not specified)Granted (not yet constructed)
10Augusta · 1007813111 mGuyed towerConstructed
11Ofallon · 1286464106 mLattice towerConstructed
12Wentzville · 1286465106 mLattice towerGranted (not yet constructed)
13Wentzville · 1286466106 mLattice towerConstructed
14Weldon Spring · 1259770104 mTower (type not specified)Constructed
15O Fallon · 100327397 mGuyed towerConstructed
16St. Charles · 128669893 mLattice towerConstructed
17Wentzville · 128646293 mLattice towerConstructed
18Dardenne · 101192093 mTower (type not specified)Dismantled
19Saint Charles · 100624892 mLattice towerConstructed
20Dardenne · 100489091 mTower (type not specified)Constructed
21Foristell · 128646391 mLattice towerConstructed
22Wentzville · 130045391 mGuyed towerConstructed
23St. Peters · 128225488 mTower (type not specified)Granted (not yet constructed)
24Wentzville · 100701188 mGuyed towerConstructed
25St. Charles · 128786284 mLattice towerConstructed
26Orchard Farm · 124007182 mTower (type not specified)Constructed
27Wentzville · 128225582 mTower (type not specified)Granted (not yet constructed)
28O'Fallon · 128865981 mLattice towerConstructed
29Foristell · 101743180 mTower (type not specified)Constructed
30New Melle · 125172079 mUnspecified structureConstructed
31Wentzveille · 126410279 mTower (type not specified)Dismantled
32New Melle · 102863078 mTower (type not specified)Constructed
33St. Charles · 123706878 mTower (type not specified)Granted (not yet constructed)
34Wentzville · 100419178 mTower (type not specified)Constructed
35O'Fallon · 128778378 mLattice towerConstructed
36O'Fallon · 101743476 mTower (type not specified)Terminated
37St. Charles · 120329676 mTower (type not specified)Constructed
38St. Charles · 128671176 mGuyed towerConstructed
39Foristell · 121129167 mMonopoleConstructed
40Wentzville · 100668563 mLattice towerConstructed
41St. Peters · 130503063 mLattice towerConstructed
42Defiance · 100482061 mTower (type not specified)Constructed
43Wentzville · 128086261 mMonopoleConstructed
44Josephville · 127444961 mTower (type not specified)Constructed
45Wentzville · 129947659 mLattice towerConstructed
46O Fallon · 121879458 mLattice towerConstructed
47O'Fallon · 124925658 mTower (type not specified)Terminated
48O' Fallon · 127100858 mTower (type not specified)Constructed
49Harvester · 100489157 mTower (type not specified)Constructed
50Wentzville · 125329457 mMonopoleConstructed
51St. Charles · 127175057 mMonopoleConstructed
52Wentzville · 120550656 mTower (type not specified)Canceled
53Saint Peters · 100478255 mTower (type not specified)Terminated
54St. Charles · 125234153 mAntenna tower array (tower 1 of 4)Canceled
55St. Charles · 125234253 mAntenna tower array (tower 2 of 4)Canceled
56St. Charles · 125234353 mAntenna tower array (tower 4 of 4)Canceled
57St. Charles · 125233753 mAntenna tower array (tower 1 of 4)Constructed
58St. Charles · 125233853 mAntenna tower array (tower 2 of 4)Constructed
59St. Charles · 125233953 mAntenna tower array (tower 3 of 4)Constructed
60O'Fallon · 125624552 mTower (type not specified)Canceled
61St. Charles · 125843452 mTower (type not specified)Constructed
62Saint Charles · 128345652 mMastConstructed
63Lake St. Louis · 133166852 mMonopoleConstructed
64Harvester · 125233650 mMastConstructed
65Wentzville · 100476650 mMonopoleConstructed
66Saint Charles · 101289149 mUnspecified structureConstructed
67Defiance · 125229749 mTower (type not specified)Canceled
68Darennneir Prarie · 132319149 mMonopoleConstructed
69Lake Saint Louis · 127046648 mTower (type not specified)Constructed
70Wentzville · 132879648 mMonopoleConstructed
71O'Fallon · 132880147 mMonopoleConstructed
72O'Fallon · 133040747 mMonopoleConstructed
73St. Charles · 124994447 mMonopoleConstructed
74O'Fallon · 130233747 mMonopoleConstructed
75Foristell · 132880247 mMonopoleConstructed
76St Charles · 122460946 mLattice towerConstructed
77St. Charles · 124749546 mTower (type not specified)Constructed
78St. Peters · 125347946 mTower (type not specified)Constructed
79Defiance · 125591946 mTower (type not specified)Canceled
80St. Peters · 126180246 mTower (type not specified)Canceled
81St. Peters · 126357546 mTower (type not specified)Constructed
82O' Fallon · 126650746 mUnspecified structureCanceled
83Wentzville · 127911546 mPoleConstructed
84St. Charles · 100513545 mMonopoleConstructed
85St. Peters · 124351944 mTower (type not specified)Terminated
86Dardenne Praire · 126211044 mTower (type not specified)Constructed
87St. Charles · 126242944 mMonopoleConstructed
88Saint Charles · 132801944 mMonopoleConstructed
89Ofallon · 132095943 mLattice towerGranted (not yet constructed)
90St. Charles · 132358343 mPoleConstructed
91St. Charles · 126127043 mTower (type not specified)Dismantled
92O'Fallon · 130875843 mMonopoleConstructed
93O'Fallon · 122329541 mPoleConstructed
94St. Paul · 121874441 mTower (type not specified)Canceled
95O'Fallon · 129813741 mMonopoleConstructed
96Wentzville · 131363240 mMonopoleConstructed
97St. Charles · 124352040 mTower (type not specified)Constructed
98Defiance · 127890940 mDisguised structure (tree)Constructed
99St. Peters · 125944639 mTower (type not specified)Constructed
100St. Charles · 102663039 mPoleConstructed
101Saint Peters · 102663138 mTower (type not specified)Constructed
102Saint Charles · 101743538 mPoleConstructed
103St. Charles · 124479438 mMonopoleConstructed
104Lake St. Louis · 124967738 mTower (type not specified)Canceled
105Lake St. Louis · 125048538 mTower (type not specified)Constructed
106St. Peters · 125995738 mTower (type not specified)Constructed
107St. Charles · 126087138 mTower (type not specified)Constructed
108Lake St. Louis · 127890638 mPoleConstructed
109St. Peters · 132900238 mMonopoleConstructed
110O'Fallon · 125490338 mTower (type not specified)Constructed
111St. Charles · 130438538 mMonopoleConstructed
112St. Louis · 103701237 mTower (type not specified)Canceled
113St. Charles · 104855437 mPoleConstructed
114St. Peters · 127654737 mTower (type not specified)Constructed
115Dardenne Prairie · 133111937 mMonopoleConstructed
116Saint Charles · 100413235 mMonopoleConstructed
117St. Charles · 102815635 mPoleConstructed
118St. Charles · 125234035 mAntenna tower array (tower 4 of 4)Constructed
119St. Charles · 124219635 mTower (type not specified)Constructed
120Defiance · 124745235 mMonopoleConstructed
121St. Charles · 125234435 mAntenna tower array (tower 3 of 4)Canceled
122St. Charles · 125874235 mTower (type not specified)Constructed
123Portage Des Sioux · 126570035 mUnspecified structureDismantled
124St. Peters · 129076935 mMonopoleConstructed
125Portage Des Sioux · 126220035 mTower (type not specified)Canceled
126Portage Des Sioux · 126642335 mTower (type not specified)Terminated
127St. Peters · 125058834 mMonopoleConstructed
128St Charles · 124366034 mTower (type not specified)Canceled
129St. Charles · 125020934 mTower (type not specified)Constructed
130O'Fallon · 129319534 mMonopoleGranted (not yet constructed)
131Weldon Spring · 129699834 mMonopoleConstructed
132St. Charles · 101743633 mPoleDismantled
133St. Charles · 124936133 mUnspecified structureDismantled
134O'Fallon · 126868333 mMonopoleConstructed
135Saint Peters · 126998333 mTower (type not specified)Constructed
136St. Charles · 129319033 mMonopoleGranted (not yet constructed)
137Saint Charles · 100501933 mMonopoleConstructed
138Weldon Spring · 100474932 mPoleConstructed
139St. Charles · 124320132 mTower (type not specified)Constructed
140St. Charles · 124340332 mMonopoleConstructed
141St. Peters · 124932632 mPoleConstructed
142St. Charles · 122946632 mMonopoleConstructed
143O' Fallon · 124583432 mTower (type not specified)Constructed
144Saint Charles · 100487932 mTower (type not specified)Constructed
145St. Charles · 121225631 mPoleConstructed
146Wentzville · 100625931 mTower (type not specified)Constructed
147St. Peters · 121846031 mSign or billboardConstructed
148St. Charles · 124018531 mPoleDismantled
149St. Peters · 124351731 mMonopoleConstructed
150St. Charles · 124672331 mTower (type not specified)Dismantled
151St. Charles · 124672431 mMonopoleConstructed
152St. Charles · 125947531 mTower (type not specified)Canceled
153St. Peters · 125947931 mTower (type not specified)Canceled
154St. Peters · 126090231 mTower (type not specified)Dismantled
155St. Charles · 126797631 mTower (type not specified)Constructed
156St. Peters · 127903931 mPoleCanceled
157Chesterfield · 127919931 mPoleConstructed
158St Charles · 127920331 mPoleConstructed
159St Peters · 127924831 mTower (type not specified)Constructed
160St. Charles · 120816730 mPoleConstructed
161St. Charles · 123742430 mPoleConstructed
162St. Charles · 126127130 mTower (type not specified)Dismantled
163St. Charles · 127302030 mTower (type not specified)Canceled
164St. Charles · 127303830 mTower (type not specified)Canceled
165St. Peters · 129569230 mLattice towerGranted (not yet constructed)
166St. Charles · 126394930 mPoleConstructed
167St. Charles · 125339329 mPoleConstructed
168St. Peters · 125947628 mPoleConstructed
169O'Fallon · 127046727 mTower (type not specified)Constructed
170St. Peters · 128874927 mDisguised structure (tree)Constructed
171Weldon Springs · 106353027 mBuildingTerminated
172St. Charles · 120963126 mTower (type not specified)Constructed
173Saint Charles · 128291725 mPoleConstructed
174St. Charles · 130448525 mBuildingConstructed
175O' Fallon · 124424024 mTower (type not specified)Dismantled
176St. Charles · 125423624 mPoleConstructed
177St. Charles · 121846124 mSign or billboardConstructed
178Wentzville · 100625821 mTower (type not specified)Constructed
179St. Peters · 128752621 mDisguised structure (tree)Constructed
180St. Charles · 127872615 mTower (type not specified)Constructed
181St. Charles · 127872715 mTower (type not specified)Constructed
182St. Charles · 127872915 mTower (type not specified)Constructed
183St. Charles · 127873015 mTower (type not specified)Constructed
184Weldon Spring · 131114310 mPoleConstructed

Frequently asked questions

How many cell towers are in St. Charles County, MO?

The FCC Antenna Structure Registration database lists 184 registered antenna structures in St. Charles County, Missouri, 136 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. Charles County?

The tallest constructed registered structure in St. Charles County is registration 1214732, a stack near Portage Des Sioux at 184 m (603 ft) overall height.

Who owns the most towers in St. Charles County?

St. Charles Tower, Inc. holds the most registrations in St. Charles County (25), followed by COUNTY OF ST. CHARLES (18).

What kind of towers are in St. Charles County?

Tower (type not specified) is the most common filed type (73 of 184 registrations), then monopole (36).

More in Missouri

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. Charles County, Missouri”, https://towercensus.com/towers/missouri/county/st-charles-county (data as of October 13, 2026).