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Data Centers in Wisconsin
13 mapped data center facilities across Wisconsin, the United States — every point on this map is a real facility from our US & Canada dataset, updated July 31, 2026.
13Facilities mapped
6Cities & towns
5Operators
Map data © OpenStreetMap contributors (ODbL) · Basemap © CARTO
Top operators in Wisconsin
Lumen Technologies 1AT&T 1Involta 1WE Energies 1West Wisconsin Telcom 1
Biggest clusters
Milwaukee 2Madison 1Franklin 1Whitewater 1Waukesha 1Menomonie 1
Facility list
| Facility | Operator | City |
|---|---|---|
| Central Office | AT&T | Whitewater |
| Data Holdings Data Center | — | Milwaukee |
| Expedient Milwaukee | — | Franklin |
| Involta | Involta | — |
| Lumen Madison 1 Data Center | Lumen Technologies | — |
| Marquette-Adams Telephone Coop | — | — |
| Pewaukee Data Center | WE Energies | Waukesha |
| TierPoint Milwaukee | — | Milwaukee |
| West Wisconsin Telcom | West Wisconsin Telcom | Menomonie |
| Data center | — | Madison |
| Data center | — | — |
| Data center | — | — |
| Data center | — | — |
Frequently asked questions
How many data centers are in Wisconsin?
There are 13 mapped data center facilities in Wisconsin in this dataset (updated July 31, 2026). The true number is higher — some sites are unpublished or under construction.
Who operates the most data centers in Wisconsin?
Lumen Technologies has the most mapped facilities in Wisconsin in this dataset, with 1 sites.
Where are Wisconsin's data centers concentrated?
The biggest clusters are around Milwaukee, Madison, Franklin.