Each edition grades its towns against each other only.
Its Register listing is the Robert Clagett Farm. Most of Garretts Mill was built recently: 0.0% of its homes predate 1940 and the median home dates from 1977. Below: maps from 1953 on.
Read from the archive, the National Register and the record. The page puts what stands out first.
The first neighbors to add old photos shape how Garretts Mill’s history is told.
Wikipedia doesn’t have a history of Garretts Mill yet. The photos, dates and memories neighbors add here are how it gets written.
Garretts Mill is an unincorporated community and census-designated place in Washington County, Maryland, United States. Its population was 234 as of the 2010 census.
Between the 2010 and 2020 censuses its population fell from 234 to 228 (-3%).
Intro from Wikipedia. Population: U.S. Census Bureau.
Weddings on Main Street, storms, parades, school pictures, the old store. If it’s in your family album, it belongs here.
Every edition of the U.S. Geological Survey’s map of Garretts Mill. Tap a year, or press play to watch the town change.
U.S. Geological Survey historical topographic maps (public domain), via Esri’s collection of the scans. The red ring marks the center of Garretts Mill.
The country’s official list of buildings and places worth saving.
National Park Service, National Register of Historic Places. Photos from Wikimedia Commons, credited on each place’s page.
Nobody well known was born in Garretts Mill itself, so here are the best known from just nearby.
One place: the Robert Clagett Farm (listed 1999).
What the archives can’t tell you, neighbors can.
Founding dates: Wikidata, Wikipedia, the U.S. post office records of Blevins & Helbock (CC0) and the Census. Homes by year built: Census ACS 2020–24. National Register of Historic Places: National Park Service (list of May 22, 2026). Old photos, postcards and papers: Wikimedia Commons, the Library of Congress and other public archives, credited on each item’s page. Maps: U.S. Geological Survey historical topographic maps (via Esri) and Sanborn fire-insurance maps (Library of Congress). History text and census tables: Wikipedia (CC BY-SA 4.0). Places that used to be: USGS Geographic Names Information System (2021). How TownRatings grades history →
From the National Register of Historic Places (1), U.S. Geological Survey historical maps and the USGS Geographic Names Information System. Archive images are copied here with their credits and licenses, shown on each photo’s page. Refreshed monthly.
