TowerCensus

Antenna structures in Putnam County, Illinois

At a glance

Putnam County, Illinois has 9 FCC-registered antenna structures, 6 of them marked constructed. That is the 100th-largest count among the 102 Illinois counties with registrations, and 0.13% of the state's 7,110. The tallest constructed structure in the county is registration 1008125 near Magnolia at 127 m (415 ft).

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

Registered structures
9
Constructed
6
Avg height
93 m
Tallest standing
127 m

How does Putnam County compare with the rest of Illinois?

With 9 registrations, Putnam County ranks 100th of 102 counties in Illinois; Cook County leads the state with 965. The average registered overall height here is 93 m, about 35% above the Illinois average of 69 m. The tallest standing structure, at 127 m, is about 36% above the county average.

What kinds of structures are registered in Putnam County?

The most common filed structure type in Putnam County is tower (code TOWER), with 5 registrations (55.6%). It is followed by lattice tower (3).

By registration status: 6 constructed, 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 Putnam County?

CitySwitch II, LLC, ILLINOIS POWER, Illinois Valley Cellular RSA 2-I Partnership, SBA 2012 TC Assets, LLC, SBC TOWER HOLDINGS LLC, Shaw Local Radio Co., Tillman Infrastructure, LLC and TowerNorth Development, LLC hold the most registrations in Putnam County, 1 each of the 9. 9 owners with two or more registrations nationwide hold structures in the county.

Which places in Putnam County have registered structures?

Registrations in Putnam County list 5 different city or place names. The most frequent are Granville (4), Magnolia (2), Spring Valley (1), Putnam (1) and Hennepin (1).

Every registration

All 9 structures in Putnam County, tallest first

#StructureHeightTypeStatus
1Magnolia · 1008125127 mTower (type not specified)Constructed
2Granville · 1330341111 mLattice towerGranted (not yet constructed)
3Spring Valley · 1058186106 mTower (type not specified)Constructed
4Granville · 1009169106 mTower (type not specified)Constructed
5Putnam · 131944588 mLattice towerConstructed
6Granville · 124607582 mUnspecified structureDismantled
7Magnolia · 133257479 mLattice towerConstructed
8Hennepin · 100746176 mTower (type not specified)Dismantled
9Granville · 126646961 mTower (type not specified)Constructed

Frequently asked questions

How many cell towers are in Putnam County, IL?

The FCC Antenna Structure Registration database lists 9 registered antenna structures in Putnam County, Illinois, 6 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 Putnam County?

The tallest constructed registered structure in Putnam County is registration 1008125, a tower near Magnolia at 127 m (415 ft) overall height.

Who owns the most towers in Putnam County?

CitySwitch II, LLC, ILLINOIS POWER, Illinois Valley Cellular RSA 2-I Partnership, SBA 2012 TC Assets, LLC, SBC TOWER HOLDINGS LLC, Shaw Local Radio Co., Tillman Infrastructure, LLC and TowerNorth Development, LLC are tied for the most registrations in Putnam County, with 1 each.

What kind of towers are in Putnam County?

Tower (type not specified) is the most common filed type (5 of 9 registrations), then lattice tower (3).

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