Massachusetts has 12 military installations: 1.6% of the US total of 767. That ranks #21 by count and #37 per person (0.17 per 100,000 residents) of 51.
Source: DoD Military Installations, Ranges and Training Areas (MIRTA), via the Bureau of Transportation Statistics, 2026. Each active installation at the centre of its boundary. Large ranges are one dot each. Sites the DoD doesn’t publish are not here.
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/military-bases/massachusetts" width="100%" height="440" style="border:2px solid #111" loading="lazy" title="Massachusetts military installations map — InstaMaps"></iframe>Devens Reserve Forces Tng Area · NG MTA Camp Curtis Guil · Combat Capabilities Development Command Soldier Center · Hanscom Air Force Base · Westover ARB · Barnes Map ANG · Joint Base Cape Cod · NG Ayer · Patriot Golf Course · 1LT John A Fera USARC · NG Worcester Skyline Drive · Bristol County USARC
"Massachusetts has 12 military installations, #21 in the US by count and #37 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.