Antenna structures in McHenry County, Illinois
At a glance
McHenry County, Illinois has 190 FCC-registered antenna structures, 124 of them marked constructed. That is the 5th-largest count among the 102 Illinois counties with registrations, and 2.7% of the state's 7,108. The tallest constructed structure in the county is registration 1027195 near Crystal Lake at 152 m (499 ft).
Dataset updated . Refreshed from the FCC ASR weekly bulk database.
Registered structures
190
Constructed
124
Avg height
59 m
Tallest standing
152 m
How does McHenry County compare with the rest of Illinois?
With 190 registrations, McHenry County ranks 5th of 102 counties in Illinois; Cook County leads the state with 965. The average registered overall height here is 59 m, about 15% 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 McHenry County?
The most common filed structure type in McHenry County is tower (code TOWER), with 77 registrations (40.5%). It is followed by monopole (47) and pole (21). In all, 10 different FCC structure-type codes appear in the county.
By registration status: 124 constructed, 19 canceled, 18 granted (not yet constructed), 16 dismantled and 13 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 McHenry County?
American Towers LLC holds the most registrations in McHenry County, with 25 of the 190. The next largest are T-Mobile USA Tower LLC (14), NEW CINGULAR WIRELESS SERVICES, INC. (11) and Parallel Infrastructure III, LLC (10). 53 owners with two or more registrations nationwide hold structures in the county.
Which places in McHenry County have registered structures?
Registrations in McHenry County list 33 different city or place names. The most frequent are Crystal Lake (39), Woodstock (24), Harvard (20), McHenry (16) and Marengo (12).
Every registration
All 190 structures in McHenry County, tallest first
| # | Structure | Height | Type | Status |
|---|---|---|---|---|
| 1 | Crystal Lake · 1027195 | 152 m | Tower (type not specified) | Constructed |
| 2 | Crystal Lake · 1052309 | 131 m | Unspecified structure | Constructed |
| 3 | Woodstock · 1284369 | 127 m | Tower (type not specified) | Constructed |
| 4 | McHenry · 1010945 | 120 m | Tower (type not specified) | Constructed |
| 5 | Oakwood Hills · 1034827 | 120 m | Tower (type not specified) | Granted (not yet constructed) |
| 6 | McHenry · 1203722 | 116 m | Tower (type not specified) | Granted (not yet constructed) |
| 7 | Woodstock · 1008683 | 108 m | Tower (type not specified) | Constructed |
| 8 | McHenry · 1057090 | 106 m | Tower (type not specified) | Constructed |
| 9 | Fox Lake · 1010954 | 101 m | Tower (type not specified) | Constructed |
| 10 | Fox Lake · 1224719 | 99 m | Tower (type not specified) | Canceled |
| 11 | Crystal Lake · 1041970 | 98 m | Lattice tower | Constructed |
| 12 | Crystal Lake · 1010955 | 95 m | Lattice tower | Dismantled |
| 13 | Woodstock · 1041400 | 93 m | Lattice tower | Constructed |
| 14 | Woodstock · 1008269 | 92 m | Tower (type not specified) | Constructed |
| 15 | Crystal Lake · 1025215 | 91 m | Tower (type not specified) | Constructed |
| 16 | Algonquin · 1202092 | 91 m | Guyed tower | Constructed |
| 17 | Antioch · 1009762 | 91 m | Structure type 2TOWER | Constructed |
| 18 | Crystal Lake · 1052308 | 90 m | Unspecified structure | Constructed |
| 19 | Crystal Lake · 1052310 | 90 m | Unspecified structure | Constructed |
| 20 | Woodstock · 1016389 | 89 m | Tower (type not specified) | Constructed |
| 21 | Marengo · 1296939 | 88 m | Guyed tower | Constructed |
| 22 | Crystal Lake · 1008802 | 85 m | Tower (type not specified) | Dismantled |
| 23 | Crystal Lake · 1224366 | 85 m | Mast | Terminated |
| 24 | Crystal Lake · 1224367 | 85 m | Lattice tower | Constructed |
| 25 | Mc Henry · 1010226 | 82 m | Tower (type not specified) | Constructed |
| 26 | Hartland Township · 1008011 | 80 m | Tower (type not specified) | Constructed |
| 27 | Woodstock · 1210631 | 80 m | Tower (type not specified) | Terminated |
| 28 | Woodstock · 1214329 | 79 m | Tower (type not specified) | Granted (not yet constructed) |
| 29 | Spring Grove · 1242923 | 70 m | Tower (type not specified) | Canceled |
| 30 | Alden Township · 1008009 | 68 m | Tower (type not specified) | Constructed |
| 31 | Marengo · 1208756 | 67 m | Tower (type not specified) | Canceled |
| 32 | Antioch · 1009763 | 66 m | Structure type 2TOWER | Constructed |
| 33 | Alder · 1211989 | 66 m | Tower (type not specified) | Canceled |
| 34 | Woodstock · 1031760 | 64 m | Tower (type not specified) | Constructed |
| 35 | McHenry · 1254805 | 63 m | Pole | Canceled |
| 36 | Woodstock · 1058602 | 61 m | Pole | Terminated |
| 37 | Richmond · 1065795 | 61 m | Tower (type not specified) | Constructed |
| 38 | Huntley · 1263046 | 61 m | Unspecified structure | Dismantled |
| 39 | Crystal Lake · 1272443 | 61 m | Tower (type not specified) | Canceled |
| 40 | Crystal Lake · 1059537 | 61 m | Monopole | Constructed |
| 41 | Woodstock · 1064071 | 61 m | Lattice tower | Constructed |
| 42 | Woodstock · 1065804 | 61 m | Lattice tower | Dismantled |
| 43 | Hebron · 1065860 | 61 m | Lattice tower | Constructed |
| 44 | Marengo · 1065966 | 61 m | Lattice tower | Constructed |
| 45 | Huntley · 1215248 | 61 m | Pole | Constructed |
| 46 | McHenry · 1215262 | 61 m | Pole | Constructed |
| 47 | Harvard · 1215263 | 61 m | Tower (type not specified) | Constructed |
| 48 | Crystal Lake · 1215278 | 61 m | Pole | Constructed |
| 49 | Richmond · 1216987 | 61 m | Pole | Constructed |
| 50 | Cary · 1218844 | 61 m | Pole | Constructed |
| 51 | Spring Grove · 1218849 | 61 m | Pole | Dismantled |
| 52 | Wonder Lake · 1219260 | 61 m | Pole | Dismantled |
| 53 | Spring Grove · 1220544 | 61 m | Pole | Constructed |
| 54 | Ringwood · 1221122 | 61 m | Pole | Constructed |
| 55 | Spring Grove · 1227959 | 61 m | Pole | Canceled |
| 56 | Woodstock · 1242542 | 61 m | Tower (type not specified) | Constructed |
| 57 | Woodstock · 1242754 | 61 m | Tower (type not specified) | Canceled |
| 58 | Woodstock · 1243009 | 61 m | Tower (type not specified) | Constructed |
| 59 | Solon Mills · 1254098 | 61 m | Tower (type not specified) | Constructed |
| 60 | Mc Henry · 1254258 | 61 m | Tower (type not specified) | Canceled |
| 61 | Lakemoor · 1255438 | 61 m | Tower (type not specified) | Constructed |
| 62 | Harvard · 1259731 | 61 m | Tower (type not specified) | Constructed |
| 63 | Hebron · 1259733 | 61 m | Tower (type not specified) | Constructed |
| 64 | Crystal Lake · 1264287 | 61 m | Tower (type not specified) | Constructed |
| 65 | Marengo · 1268970 | 61 m | Unspecified structure | Dismantled |
| 66 | Crystal Lake · 1273143 | 61 m | Unspecified structure | Dismantled |
| 67 | Marengo · 1275803 | 61 m | Unspecified structure | Dismantled |
| 68 | Crystal Lake · 1276576 | 61 m | Monopole | Constructed |
| 69 | McHenry · 1298147 | 61 m | Monopole | Constructed |
| 70 | Richmond · 1308637 | 61 m | Lattice tower | Granted (not yet constructed) |
| 71 | Huntley · 1328706 | 61 m | Monopole | Constructed |
| 72 | Woodstock · 1048559 | 61 m | Tower (type not specified) | Terminated |
| 73 | Huntley · 1052296 | 61 m | Tower (type not specified) | Canceled |
| 74 | Huntley · 1052467 | 61 m | Tower (type not specified) | Terminated |
| 75 | McHenry · 1053271 | 61 m | Tower (type not specified) | Terminated |
| 76 | Marengo · 1053273 | 61 m | Tower (type not specified) | Canceled |
| 77 | McHenry · 1062634 | 61 m | Tower (type not specified) | Terminated |
| 78 | Crystal Lake · 1065754 | 61 m | Tower (type not specified) | Terminated |
| 79 | Richmond · 1065803 | 61 m | Tower (type not specified) | Terminated |
| 80 | Woodstock · 1065859 | 61 m | Tower (type not specified) | Terminated |
| 81 | Island Lake · 1244278 | 61 m | Tower (type not specified) | Constructed |
| 82 | Marengo · 1251808 | 61 m | Tower (type not specified) | Constructed |
| 83 | Fox River Grove · 1253813 | 61 m | Tower (type not specified) | Canceled |
| 84 | Marengo · 1255445 | 61 m | Unspecified structure | Dismantled |
| 85 | Marengo · 1065965 | 60 m | Monopole | Constructed |
| 86 | McHenry · 1239083 | 60 m | Monopole | Constructed |
| 87 | Spring Grove · 1261983 | 60 m | Tower (type not specified) | Constructed |
| 88 | Algonquin · 1263045 | 60 m | Unspecified structure | Dismantled |
| 89 | Lake In The Hills · 1266679 | 60 m | Tank | Constructed |
| 90 | Crystal Lake · 1270436 | 60 m | Unspecified structure | Dismantled |
| 91 | McHenry · 1273491 | 60 m | Tower (type not specified) | Canceled |
| 92 | Harvard · 1273492 | 60 m | Tower (type not specified) | Constructed |
| 93 | Cary · 1289448 | 60 m | Monopole | Constructed |
| 94 | Harvard · 1326638 | 60 m | Lattice tower | Constructed |
| 95 | Richmond · 1206683 | 60 m | Monopole | Constructed |
| 96 | Harvard · 1253329 | 60 m | Pole | Constructed |
| 97 | Algonquin · 1044093 | 60 m | Pole | Constructed |
| 98 | McHenry · 1064308 | 60 m | Guyed tower | Constructed |
| 99 | Ringwood · 1207398 | 60 m | Tower (type not specified) | Constructed |
| 100 | Crystal Lake · 1228370 | 60 m | Monopole | Constructed |
| 101 | Huntley · 1280324 | 60 m | Tower (type not specified) | Constructed |
| 102 | Hebron · 1214440 | 59 m | Monopole | Constructed |
| 103 | Woodstock · 1250240 | 59 m | Monopole | Constructed |
| 104 | Cary · 1269519 | 59 m | Tower (type not specified) | Constructed |
| 105 | Huntley · 1271532 | 59 m | Tower (type not specified) | Dismantled |
| 106 | Crystal Lake · 1251384 | 58 m | Pole | Constructed |
| 107 | Richmond · 1269033 | 58 m | Monopole | Constructed |
| 108 | Huntley · 1224492 | 57 m | Pole | Constructed |
| 109 | Crystal Lake · 1274153 | 57 m | Monopole | Constructed |
| 110 | Crystal Lake · 1325091 | 57 m | Monopole | Constructed |
| 111 | Marengo · 1279727 | 56 m | Tower (type not specified) | Constructed |
| 112 | Margngo · 1299976 | 55 m | Monopole | Constructed |
| 113 | Harvard · 1247159 | 54 m | Antenna tower array | Constructed |
| 114 | Algonquin · 1058542 | 52 m | Guyed tower | Constructed |
| 115 | Spring Grove · 1008304 | 51 m | Tower (type not specified) | Constructed |
| 116 | Woodstock · 1008375 | 51 m | Tower (type not specified) | Constructed |
| 117 | Fox Rivergrove · 1053283 | 51 m | Tank | Terminated |
| 118 | Harvard · 1244681 | 51 m | Monopole | Constructed |
| 119 | Woodstock · 1329771 | 50 m | Monopole | Constructed |
| 120 | Huntley · 1255439 | 49 m | Tower (type not specified) | Canceled |
| 121 | Crystal Lake · 1210026 | 49 m | Tank | Terminated |
| 122 | Huntley · 1040087 | 49 m | Monopole | Constructed |
| 123 | Crystal Lake · 1056304 | 49 m | Tower (type not specified) | Constructed |
| 124 | Harvard · 1059526 | 49 m | Pole | Constructed |
| 125 | Ringwood · 1060649 | 49 m | Tower (type not specified) | Constructed |
| 126 | Niles · 1264998 | 49 m | Monopole | Constructed |
| 127 | Woodstock · 1268695 | 49 m | Tower (type not specified) | Constructed |
| 128 | Hebron · 1207767 | 49 m | Tower (type not specified) | Constructed |
| 129 | Fox Lake · 1278220 | 49 m | Mast | Canceled |
| 130 | Harvard · 1334026 | 49 m | Lattice tower | Granted (not yet constructed) |
| 131 | Harvard · 1268769 | 48 m | Monopole | Constructed |
| 132 | Harvard · 1281937 | 48 m | Monopole | Constructed |
| 133 | Crystal Lake · 1056223 | 48 m | Tower (type not specified) | Terminated |
| 134 | Harvard · 1276272 | 48 m | Mast | Canceled |
| 135 | Crystal Lake · 1008266 | 48 m | Tower (type not specified) | Constructed |
| 136 | Algonquin · 1009107 | 48 m | Tower (type not specified) | Constructed |
| 137 | Crystal Lake · 1009133 | 48 m | Lattice tower | Constructed |
| 138 | Harvard · 1009132 | 47 m | Tower (type not specified) | Constructed |
| 139 | Hampshire · 1293918 | 47 m | Monopole | Constructed |
| 140 | Lakemoor · 1300075 | 47 m | Monopole | Constructed |
| 141 | Union · 1302680 | 47 m | Monopole | Constructed |
| 142 | McHenry · 1253110 | 47 m | Monopole | Constructed |
| 143 | Union · 1253114 | 47 m | Tower (type not specified) | Constructed |
| 144 | Marengo · 1253340 | 47 m | Tower (type not specified) | Constructed |
| 145 | Wonder Lake · 1258208 | 47 m | Monopole | Constructed |
| 146 | Marengo · 1326224 | 47 m | Monopole | Constructed |
| 147 | Wonder Lake · 1009135 | 46 m | Tower (type not specified) | Constructed |
| 148 | Harvard · 1040092 | 46 m | Unspecified structure | Constructed |
| 149 | Crystal Lake · 1259914 | 46 m | Tower (type not specified) | Canceled |
| 150 | Harvard · 1302194 | 46 m | Monopole | Constructed |
| 151 | Woodstock · 1302195 | 46 m | Monopole | Granted (not yet constructed) |
| 152 | Wonder Lake · 1303236 | 46 m | Monopole | Granted (not yet constructed) |
| 153 | Wonderlake · 1302384 | 45 m | Monopole | Granted (not yet constructed) |
| 154 | Ringwood · 1220729 | 45 m | Mast | Dismantled |
| 155 | Crystal Lake · 1244761 | 45 m | Monopole | Constructed |
| 156 | Cary · 1219264 | 44 m | Pole | Constructed |
| 157 | Crystal Lake · 1273493 | 43 m | Unspecified structure | Constructed |
| 158 | Woodstock · 1216865 | 43 m | Pole | Constructed |
| 159 | Lake In The Hills · 1065405 | 42 m | Lattice tower | Constructed |
| 160 | Crystal Lake · 1276330 | 42 m | Tower (type not specified) | Constructed |
| 161 | Wonder Lake · 1243876 | 42 m | Unspecified structure | Dismantled |
| 162 | McHenry · 1261873 | 42 m | Monopole | Constructed |
| 163 | Crystal Lake · 1324092 | 41 m | Monopole | Granted (not yet constructed) |
| 164 | Crystal Lake · 1329772 | 41 m | Monopole | Granted (not yet constructed) |
| 165 | Crystal Lake · 1296312 | 40 m | Pole | Constructed |
| 166 | Spring Grove · 1260254 | 40 m | Monopole | Constructed |
| 167 | Hebron · 1269213 | 40 m | Unspecified structure | Dismantled |
| 168 | McHenry · 1302357 | 40 m | Monopole | Constructed |
| 169 | Cary · 1303240 | 40 m | Monopole | Granted (not yet constructed) |
| 170 | McHenry · 1303642 | 40 m | Monopole | Granted (not yet constructed) |
| 171 | Johnsburg · 1303645 | 40 m | Monopole | Granted (not yet constructed) |
| 172 | Crystal Lake · 1332920 | 39 m | Monopole | Granted (not yet constructed) |
| 173 | Wonderlake · 1258067 | 38 m | Tower (type not specified) | Constructed |
| 174 | Woodstock · 1274503 | 38 m | Unspecified structure | Canceled |
| 175 | Woodstock · 1288647 | 37 m | Lattice tower | Constructed |
| 176 | Crystal Lake · 1323451 | 35 m | Monopole | Constructed |
| 177 | Lake In The Hills · 1228371 | 32 m | Tower (type not specified) | Constructed |
| 178 | Crystal Lake · 1254794 | 32 m | Building with antenna | Constructed |
| 179 | Prairie Grove · 1278929 | 32 m | Tower (type not specified) | Constructed |
| 180 | McHenry · 1303644 | 32 m | Monopole | Granted (not yet constructed) |
| 181 | Cary · 1309519 | 32 m | Monopole | Granted (not yet constructed) |
| 182 | Lake In The Hills · 1008274 | 31 m | Tower (type not specified) | Constructed |
| 183 | Harvard · 1239239 | 30 m | Tower (type not specified) | Constructed |
| 184 | Crystal Lake · 1266686 | 25 m | Tower (type not specified) | Constructed |
| 185 | Crystal Lake · 1266689 | 24 m | Tower (type not specified) | Canceled |
| 186 | Spring Grove · 1316679 | 20 m | Lattice tower | Constructed |
| 187 | Harvard · 1297147 | 15 m | Monopole | Constructed |
| 188 | Harvard · 1286184 | 12 m | Monopole | Granted (not yet constructed) |
| 189 | Harvard · 1286185 | 12 m | Monopole | Granted (not yet constructed) |
| 190 | Harvard · 1063798 | 11 m | Pole | Constructed |
Frequently asked questions
How many cell towers are in McHenry County, IL?
The FCC Antenna Structure Registration database lists 190 registered antenna structures in McHenry County, Illinois, 124 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 McHenry County?
The tallest constructed registered structure in McHenry County is registration 1027195, a tower near Crystal Lake at 152 m (499 ft) overall height.
Who owns the most towers in McHenry County?
American Towers LLC holds the most registrations in McHenry County (25), followed by T-Mobile USA Tower LLC (14).
What kind of towers are in McHenry County?
Tower (type not specified) is the most common filed type (77 of 190 registrations), then monopole (47).
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 McHenry County, Illinois”, https://towercensus.com/towers/illinois/county/mchenry-county (data as of October 6, 2026).