Illinois has 1 qualifying Army installation covered in this guide. These locations support army logistics, manufacturing and sustainment. The list below gives the main location, contact, mission and facilities for each base.

Army Bases in Illinois

Army installations in Illinois support training, readiness, testing, logistics or other land-force missions. The exact role depends on the installation.

Rock Island Arsenal

Rock Island Arsenal is an active army installation in the Rock Island area. Its main work includes army logistics, manufacturing and sustainment, with facilities that support the mission and assigned personnel.

Branch Army
Location Rock Island, Illinois
Address 390 Rodman Avenue, Rock Island, IL 61299
Main contact 309-782-6001
Main operations Army logistics, manufacturing and sustainment
Key facilities Warehouses, maintenance areas, logistics facilities and base support
Status Active

Frequently Asked Questions

How many Army bases are in Illinois?

Using the installation definition in this guide, Illinois has 1 qualifying Army installation: Rock Island Arsenal.

Where is Rock Island Arsenal located?

Rock Island Arsenal is located in Rock Island, Illinois.

What is Rock Island Arsenal used for?

Rock Island Arsenal supports army logistics, manufacturing and sustainment.

Is Rock Island Arsenal an active Army installation?

Yes. Rock Island Arsenal is listed as active in this guide.

Is Rock Island Arsenal the only major Army base in Illinois?

Under the installation definition used for this guide, yes. Other Army units or Guard facilities may exist in Illinois, but they are not counted here as separate major installations.