TowerCensus

Antenna structures in Clay County, Iowa

At a glance

Clay County, Iowa has 29 FCC-registered antenna structures, 25 of them marked constructed. That is the 64th-largest count among the 99 Iowa counties with registrations, and 0.70% of the state's 4,130. The tallest constructed structure in the county is registration 1016592 near Fostoria at 140 m (459 ft).

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

Registered structures
29
Constructed
25
Avg height
87 m
Tallest standing
140 m

How does Clay County compare with the rest of Iowa?

With 29 registrations, Clay County ranks 64th of 99 counties in Iowa; Polk County leads the state with 229. The average registered overall height here is 87 m, about 11% above the Iowa average of 79 m. The tallest standing structure, at 140 m, is about 60% above the county average.

What kinds of structures are registered in Clay County?

The most common filed structure type in Clay County is tower (code TOWER), with 13 registrations (44.8%). It is followed by lattice tower (8) and guyed tower (3). In all, 6 different FCC structure-type codes appear in the county.

By registration status: 25 constructed, 2 canceled, 1 dismantled and 1 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 Clay County?

ARRAY DIGITAL INFRASTRUCTURE, INC. holds the most registrations in Clay County, with 5 of the 29. The next largest are Alltel Corporation (4), CTI Towers Assets, II, LLC c/o Symphony Towers Infrastructure (3) and SBA Towers IV, LLC (2). 14 owners with two or more registrations nationwide hold structures in the county.

Which places in Clay County have registered structures?

Registrations in Clay County list 8 different city or place names. The most frequent are Spencer (13), Fostoria (4), Everly (4), Sioux Rapids (2) and Peterson (2).

Every registration

All 29 structures in Clay County, tallest first

#StructureHeightTypeStatus
1Fostoria · 1016592140 mTower (type not specified)Constructed
2Spencer · 1017579123 mGuyed towerGranted (not yet constructed)
3Spencer · 1216772123 mMastConstructed
4Spencer · 1026653122 mTower (type not specified)Constructed
5Spencer · 1021884120 mTower (type not specified)Constructed
6Everly · 1017897118 mTower (type not specified)Constructed
7Spencer · 1059340116 mTower (type not specified)Constructed
8Sioux Rapids · 1293164104 mGuyed towerConstructed
9Spencer · 101665899 mGuyed towerConstructed
10Fostoria · 101809295 mTower (type not specified)Constructed
11Fostoria · 121289895 mTower (type not specified)Canceled
12Everly · 130787295 mLattice towerConstructed
13Spencer · 105324991 mTower (type not specified)Constructed
14Fostoria · 101659386 mTower (type not specified)Dismantled
15Sioux Rapids · 122044981 mTower (type not specified)Constructed
16Peterson · 126035379 mLattice towerConstructed
17Spencer · 128988879 mLattice towerConstructed
18Everly · 129633479 mLattice towerConstructed
19Everly · 128668178 mLattice towerConstructed
20Webb · 131189476 mLattice towerCanceled
21Webb · 131384776 mLattice towerConstructed
22Peterson · 125487075 mLattice towerConstructed
23Dickens · 124543359 mTower (type not specified)Constructed
24Spencer · 125001859 mTower (type not specified)Constructed
25Spencer · 131522859 mMonopoleConstructed
26Greenville · 125669558 mTower (type not specified)Constructed
27Spencer · 129941458 mMonopoleConstructed
28Spencer · 101627348 mBuilding with towerConstructed
29Spencer · 129910341 mMonopoleConstructed

Frequently asked questions

How many cell towers are in Clay County, IA?

The FCC Antenna Structure Registration database lists 29 registered antenna structures in Clay County, Iowa, 25 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 Clay County?

The tallest constructed registered structure in Clay County is registration 1016592, a tower near Fostoria at 140 m (459 ft) overall height.

Who owns the most towers in Clay County?

ARRAY DIGITAL INFRASTRUCTURE, INC. holds the most registrations in Clay County (5), followed by Alltel Corporation (4).

What kind of towers are in Clay County?

Tower (type not specified) is the most common filed type (13 of 29 registrations), then lattice tower (8).

More in Iowa

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 Clay County, Iowa”, https://towercensus.com/towers/iowa/county/clay-county (data as of October 13, 2026).