Maryland has 11 Army bases: 3.3% of the US total of 332. That ranks #9 by count and #18 per person (0.18 per 100,000 residents) of 51.
Source: DoD Military Installations, Ranges and Training Areas (MIRTA), via the Bureau of Transportation Statistics, 2026. Every active installation the DoD lists under the Army, including its Reserve and National Guard sites, at the centre of its boundary, with its area in acres. Joint bases are listed under the branch that reports them.
Licence: U.S. government data: no copyright, free to reuse
Local blogs, news sites, parks pages: embed the live interactive map with one snippet. Attribution stays on, that's the whole deal.
<iframe src="https://get-instamaps.com/embed/rankings/army-bases/maryland" width="100%" height="440" style="border:2px solid #111" loading="lazy" title="Maryland army bases map — InstaMaps"></iframe>| # | Name | Details |
|---|---|---|
| 1 | Aberdeen Proving Ground | Army · 72,280 acres |
| 2 | Adelphi Laboratory Center | Army · 206 acres |
| 3 | Charles County USARC | Army Reserve · 15 acres |
| 4 | Fort Detrick | Army · 810 acres |
| 5 | Fort Detrick Forest Glen Annex | Army · 125 acres |
| 6 | Fort Detrick Glen Haven Annex | Army · 20 acres |
| 7 | Fort Meade | Army · 5,115 acres |
| 8 | Naval Research Laboratory – Blossom Point | Army · 1,586 acres |
| 9 | NG Havre De Grace Military Res | Army National Guard · 76 acres |
| 10 | NG MTA Camp Fretterd | Army National Guard · 588 acres |
| 11 | NG MTA Gunpowder Military Reservation | Army National Guard · 254 acres |
Names as the source gives them. Coordinates for every one are in the CSV.
"Maryland has 11 Army bases, #9 in the US by count and #18 per person (DoD Military Installations, Ranges and Training Areas, 2026, mapped by InstaMaps)." Free to quote with a link to this page. Population: US Census 2024 estimates.