TowerCensus

Antenna structures in Shelby County, Iowa

At a glance

Shelby County, Iowa has 27 FCC-registered antenna structures, 20 of them marked constructed. That is the 70th-largest count among the 99 Iowa counties with registrations, and 0.65% of the state's 4,130. The tallest constructed structure in the county is registration 1304136 near Harlan at 122 m (400 ft).

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

Registered structures
27
Constructed
20
Avg height
84 m
Tallest standing
122 m

How does Shelby County compare with the rest of Iowa?

With 27 registrations, Shelby County ranks 70th of 99 counties in Iowa; Polk County leads the state with 229. The average registered overall height here is 84 m, roughly in line with the Iowa average of 79 m. The tallest standing structure, at 122 m, is about 46% above the county average.

What kinds of structures are registered in Shelby County?

The most common filed structure type in Shelby County is tower (code TOWER), with 13 registrations (48.1%). It is followed by lattice tower (9) and guyed tower (4).

By registration status: 20 constructed, 4 canceled, 2 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 Shelby County?

Iowa 8-Monona Limited Partnership holds the most registrations in Shelby County, with 6 of the 27. The next largest are ARRAY DIGITAL INFRASTRUCTURE, INC. (4), Heartland Tower Inc. (2) and American Towers LLC (1). 13 owners with two or more registrations nationwide hold structures in the county.

Which places in Shelby County have registered structures?

Registrations in Shelby County list 11 different city or place names. The most frequent are Harlan (11), Defiance (4), Earling (2), Portsmouth (2) and Elk Horn (2).

Every registration

All 27 structures in Shelby County, tallest first

#StructureHeightTypeStatus
1Harlan · 1304136122 mLattice towerConstructed
2Harlan · 1047590122 mTower (type not specified)Constructed
3Defiance · 1294308111 mLattice towerCanceled
4Earling · 1305928103 mLattice towerConstructed
5Harlan · 122107798 mTower (type not specified)Constructed
6Harlan · 101245595 mGuyed towerConstructed
7Portsmouth · 128196894 mTower (type not specified)Constructed
8Defiance · 130873094 mLattice towerConstructed
9Irwin · 130709293 mLattice towerConstructed
10Avoca · 127574693 mTower (type not specified)Constructed
11Harlan · 123169393 mTower (type not specified)Granted (not yet constructed)
12Harlan · 101807392 mGuyed towerConstructed
13Manilla · 103408391 mTower (type not specified)Constructed
14Harlan · 120209088 mGuyed towerConstructed
15Defiance · 131909082 mLattice towerCanceled
16Elk Horn · 132717181 mLattice towerConstructed
17Walnut · 123886279 mGuyed towerConstructed
18Defiance · 126114079 mTower (type not specified)Canceled
19Earling · 126183979 mTower (type not specified)Canceled
20Kimballton · 131163278 mLattice towerConstructed
21Elk Horn · 102368673 mTower (type not specified)Constructed
22Tennant · 101520369 mUnspecified structureDismantled
23Harlan · 105969664 mTower (type not specified)Constructed
24Harlan · 126219358 mLattice towerConstructed
25Harlan · 122520057 mTower (type not specified)Dismantled
26Portsmouth · 125472355 mTower (type not specified)Constructed
27Harlan · 120096310 mTower (type not specified)Constructed

Frequently asked questions

How many cell towers are in Shelby County, IA?

The FCC Antenna Structure Registration database lists 27 registered antenna structures in Shelby County, Iowa, 20 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 Shelby County?

The tallest constructed registered structure in Shelby County is registration 1304136, a lattice tower near Harlan at 122 m (400 ft) overall height.

Who owns the most towers in Shelby County?

Iowa 8-Monona Limited Partnership holds the most registrations in Shelby County (6), followed by ARRAY DIGITAL INFRASTRUCTURE, INC. (4).

What kind of towers are in Shelby County?

Tower (type not specified) is the most common filed type (13 of 27 registrations), then lattice tower (9).

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