TowerCensus

Antenna structures in DeKalb County, Illinois

At a glance

DeKalb County, Illinois has 90 FCC-registered antenna structures, 62 of them marked constructed. That is the 17th-largest count among the 102 Illinois counties with registrations, and 1.3% of the state's 7,110. The tallest constructed structure in the county is registration 1009341 near Dekalb at 150 m (492 ft).

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

Registered structures
90
Constructed
62
Avg height
65 m
Tallest standing
150 m

How does DeKalb County compare with the rest of Illinois?

With 90 registrations, DeKalb County ranks 17th of 102 counties in Illinois; Cook County leads the state with 965. The average registered overall height here is 65 m, roughly in line with the Illinois average of 69 m. The tallest standing structure, at 150 m, is about 2.3 times the county average.

What kinds of structures are registered in DeKalb County?

The most common filed structure type in DeKalb County is tower (code TOWER), with 41 registrations (45.6%). It is followed by lattice tower (17) and monopole (15). In all, 8 different FCC structure-type codes appear in the county.

By registration status: 62 constructed, 9 canceled, 8 granted (not yet constructed), 7 dismantled and 4 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 DeKalb County?

American Towers LLC holds the most registrations in DeKalb County, with 14 of the 90. The next largest are STC Two LLC (9), ARRAY DIGITAL INFRASTRUCTURE, INC. (7) and DeKalb, County of c/o Sheriff's Office (6). 33 owners with two or more registrations nationwide hold structures in the county.

Which places in DeKalb County have registered structures?

Registrations in DeKalb County list 27 different city or place names. The most frequent are Dekalb (26), Sycamore (11), De Kalb (8), Malta (7) and Hinckley (5).

Every registration

All 90 structures in DeKalb County, tallest first

#StructureHeightTypeStatus
1Clare · 1212561152 mTower (type not specified)Canceled
2De Kalb · 1007786150 mTower (type not specified)Terminated
3Dekalb · 1009341150 mGuyed towerConstructed
4Sycamore · 1032918125 mGuyed towerConstructed
5Kirkland · 1218976122 mGuyed towerConstructed
6De Kalb · 1009077113 mTower (type not specified)Constructed
7Waterman · 1308583110 mLattice towerConstructed
8Kirkland · 1308584110 mLattice towerConstructed
9De Kalb · 104918092 mTower (type not specified)Constructed
10De Kalb · 105381092 mTower (type not specified)Constructed
11Sycamore · 100908091 mTower (type not specified)Dismantled
12Waterman · 100892591 mTower (type not specified)Constructed
13Dekalb · 101480891 mTower (type not specified)Constructed
14McGirr · 100879690 mTower (type not specified)Constructed
15Sycamore · 128105587 mLattice towerConstructed
16Waterman · 120577481 mTower (type not specified)Constructed
17Kingston · 121062881 mLattice towerConstructed
18Sycamore · 120857881 mTower (type not specified)Constructed
19Sycamore · 120277880 mLattice towerConstructed
20Sandwich · 130858579 mLattice towerConstructed
21Kirkland-Esmond · 120276279 mTower (type not specified)Constructed
22Hinckley/Waterman · 120278079 mTower (type not specified)Constructed
23Sycamore · 124982579 mTower (type not specified)Constructed
24Malta · 106406479 mLattice towerConstructed
25Malta · 106406579 mLattice towerConstructed
26Maple Park · 121157979 mTower (type not specified)Constructed
27Somonaulk · 122123379 mTower (type not specified)Constructed
28Shabona · 122123579 mTower (type not specified)Constructed
29Kingston · 127471779 mLattice towerConstructed
30Lee · 100864179 mTower (type not specified)Constructed
31Paw Paw · 122123479 mTower (type not specified)Constructed
32Genoa Township · 121117478 mLattice towerConstructed
33De Kalb · 100802876 mTower (type not specified)Constructed
34Malta · 127005976 mTower (type not specified)Constructed
35Genoa · 130354270 mLattice towerConstructed
36Dekalb · 100918869 mTower (type not specified)Constructed
37De Kalb · 100900968 mBuildingConstructed
38Sycamore · 100847367 mTower (type not specified)Dismantled
39Shabonna · 121525867 mTower (type not specified)Constructed
40Somonauk · 104910366 mGuyed towerConstructed
41Hinckley · 123392266 mUnspecified structureConstructed
42Kirkland · 124305664 mPoleConstructed
43Dekalb · 100934261 mTower (type not specified)Constructed
44Sycamore · 126236361 mMonopoleConstructed
45Malta · 127030561 mMonopoleConstructed
46Genoa · 124253961 mTower (type not specified)Constructed
47Leland · 127582861 mLattice towerConstructed
48Dekalb · 132484061 mLattice towerGranted (not yet constructed)
49Dekalb · 105351561 mTower (type not specified)Canceled
50Malta · 105593661 mTower (type not specified)Canceled
51Dekalb · 105738261 mTower (type not specified)Terminated
52Malta · 124604261 mTower (type not specified)Dismantled
53De Kalb · 100778560 mTower (type not specified)Terminated
54De Kalb · 106406360 mTower (type not specified)Constructed
55Dekalb · 105860059 mPoleDismantled
56Malta · 133341859 mLattice towerGranted (not yet constructed)
57Dekalb · 128941458 mMonopoleConstructed
58Sandwich · 126561058 mTower (type not specified)Constructed
59Dekalb · 128721156 mTankGranted (not yet constructed)
60Dekalb · 106596356 mUnspecified structureDismantled
61Dekalb · 105352355 mTower (type not specified)Canceled
62Sycamore · 130373955 mMonopoleConstructed
63Dekalb · 120685153 mMonopoleConstructed
64Hinkley · 121503452 mMonopoleConstructed
65Waterman · 132432952 mLattice towerGranted (not yet constructed)
66Dekalb · 100194149 mGuyed towerConstructed
67Dekalb · 122591749 mTower (type not specified)Canceled
68Sycamore · 132138849 mMonopoleConstructed
69Maple Park · 104011049 mUnspecified structureConstructed
70Hinckley · 130232948 mMonopoleConstructed
71Hinckley · 124257348 mTower (type not specified)Constructed
72Dekalb · 122034447 mBuildingCanceled
73Dekalb · 128441247 mBuildingConstructed
74Irene · 122144846 mTower (type not specified)Constructed
75Genoa · 123657446 mUnspecified structureConstructed
76Dekalb · 129394744 mMonopoleGranted (not yet constructed)
77Courtland · 125771840 mMonopoleConstructed
78Sycamore · 127030439 mUnspecified structureDismantled
79Dekalb · 130648734 mMonopoleCanceled
80Dekalb · 121603320 mTower (type not specified)Constructed
81Dekalb · 120389718 mTower (type not specified)Constructed
82Dekalb · 126371517 mTower (type not specified)Canceled
83Dekalb · 126375917 mTower (type not specified)Granted (not yet constructed)
84Maple Park · 130929915 mLattice towerDismantled
85Dekalb · 131560715 mLattice towerConstructed
86Hinckley · 121167714 mMastTerminated
87Cortland · 128534214 mMonopoleGranted (not yet constructed)
88Dekalb · 128534314 mMonopoleGranted (not yet constructed)
89Hinckley · 128633614 mMonopoleConstructed
90Dekalb · 131586014 mMonopoleCanceled

Frequently asked questions

How many cell towers are in DeKalb County, IL?

The FCC Antenna Structure Registration database lists 90 registered antenna structures in DeKalb County, Illinois, 62 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 DeKalb County?

The tallest constructed registered structure in DeKalb County is registration 1009341, a guyed tower near Dekalb at 150 m (492 ft) overall height.

Who owns the most towers in DeKalb County?

American Towers LLC holds the most registrations in DeKalb County (14), followed by STC Two LLC (9).

What kind of towers are in DeKalb County?

Tower (type not specified) is the most common filed type (41 of 90 registrations), then lattice tower (17).

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