Maryland has 12 mapped data centers, ranking 25th in the United States by facility count. The state is home to 5 distinct operators, with Expedient the largest at 2 facilities. Baltimore hosts 3 facilities — 25.0% of the state total.
Use the interactive Maryland data center map below to explore every mapped facility. Click any marker for the operator, location, and website. Use the Find nearest data center tool to measure distance from any point. Or view the national US data center map to compare Maryland to every other state.
Maryland Data Centers by the Numbers
- 12 mapped data centers across Maryland (OpenStreetMap data)
- 10 facilities have a documented name
- 6 facilities have a named operator
- 5 facilities publish a public website
- 5 distinct operators across 5 Maryland cities
- Baltimore is the dominant cluster, with 3 facilities — 25.0% of the state total
Largest Data Center Operators in Maryland
The largest operators by facility count in Maryland:
| Operator | Facilities | Share of state |
|---|---|---|
| Expedient | 2 | 16.7% |
| Crown Castle Fiber | 1 | 8.3% |
| AiNET | 1 | 8.3% |
| Lumen Technologies | 1 | 8.3% |
| Lincoln Rackhouse | 1 | 8.3% |
Maryland Data Centers by City
The top Maryland cities ranked by mapped data center count:
| City | Facilities | Top operators |
|---|---|---|
| Baltimore | 3 | Crown Castle Fiber, AiNET |
| Owings Mills | 1 | Expedient |
| Silver Spring | 1 | Lincoln Rackhouse |
| Linthicum Heights | 1 | – |
| Laurel | 1 | – |
Notable Data Centers in Maryland
A sample of named facilities from the OpenStreetMap dataset:
| Facility | Operator | City |
|---|---|---|
| Crown Castle Baltimore | Crown Castle Fiber | Baltimore |
| AiNET One Market Center | AiNET | Baltimore |
| Expedient Owings Mills | Expedient | Owings Mills |
| Lumen Baltimore | Lumen Technologies | – |
| Expedient Tidepoint | Expedient | – |
| Lincoln Rackhouse Maryland | Lincoln Rackhouse | Silver Spring |
Data Centers in Neighboring States
Maryland shares borders with 5 states. Explore data center inventory in each:
- Virginia Data Centers Map — 326 facilities
- West Virginia Data Centers Map — 2 facilities
- Pennsylvania Data Centers Map — 13 facilities
- Delaware — no data centers currently mapped in OpenStreetMap
- Washington D.C. Data Centers Map — 1 facilities
Frequently Asked Questions
How many data centers are in Maryland?
Maryland has 12 mapped data centers in the OpenStreetMap dataset, ranking 25th nationally by facility count. The figures are drawn from active telecom=data_center records in OpenStreetMap as of April 2026.
Which company has the most data centers in Maryland?
Expedient operates 2 of the mapped facilities in Maryland — the largest single operator presence in the state.
Which city in Maryland has the most data centers?
Baltimore hosts 3 of Maryland’s mapped data centers, more than any other city in the state.
Where can I see a complete map of US data centers?
View the national US data center map — covering all 1,553 mapped US facilities, filterable by state or operator.
View all 1,553 mapped US data centers on the national interactive map
Data source: OpenStreetMap (telecom=data_center tag) as of April 2026, bucketed to states using US Census state boundaries. Coverage is strongest for major commercial colocation operators; smaller and private corporate facilities may be unmapped. To add a missing facility, edit it in OpenStreetMap and it will appear on the next data refresh.
