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Monocacy

Ghost town · Montgomery County, Maryland

Seneca quadrangle, USGS topographic map (1908, 1:62,500)
Seneca quadrangle, USGS topographic map (1908, 1:62,500) · U.S. Geological Survey, Historical Topographic Map Collection · Public domain

Monocacy is a ghost town in Montgomery County, Maryland. It is one of 8 former communities in Montgomery County on the federal names register. That ranks the county 9th among the 24 Maryland counties with a vanished settlement on record.

The U.S. Geological Survey lists Monocacy as a historical populated place on the Poolesville topographic quadrangle: the name is no longer in official use for a community, whether the settlement was abandoned, absorbed into a neighbouring town or renamed. The recorded location is 39.2112° N, 77.4650° W.

Key facts

USGS quadranglePoolesville
Elevation265 ft
Nearest living townBarnesville, MD
Distance to it4.8 miles
GNIS feature ID1712550
Coordinates39.21121, -77.46499

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What's there now

Monocacy is no longer a community in its own right. The nearest living town is Barnesville, MD (population 207), about 4.8 miles away in a straight line, and the site sits at roughly 265 feet above sea level. Much of the land around former townsites is private; check access before you visit.

Nearby places

Questions

Where is Monocacy?

Monocacy is in Montgomery County, Maryland, at 39.2112, -77.4650.

How many ghost towns are in Montgomery County?

Montgomery County, Maryland has 8 ghost towns on record at Wayfarrow.

Sources and licences

Facts marked "approximately" carry an uncertain date in the source. Text on this page is generated from the sources above; no encyclopedia prose is copied. Last updated 2026-11-05.