Every edition of the U.S. Geological Survey’s map of Broomes Island. Tap a year, or press play to watch the town change.
1892Leonardtown sheet · 1:62,500
U.S. Geological Survey historical topographic maps (public domain), via Esri’s collection of the scans. The red ring marks the center of Broomes Island.
The story so far
Broomes Island, in brief
Wikipedia doesn’t have a history of Broomes Island yet. The photos, dates and memories neighbors add here are how it gets written.
Broomes Island is a small waterfront community and census-designated place (CDP) located at the southern terminus of MD 264 in Calvert County, Maryland, United States, on the Patuxent River. It is located approximately 10 miles (16 km) south of Prince Frederick, the county seat. As of 2019 Census estimates, the population of the CDP was 421. Although Broomes Island is a rather small community, it does have its own post office and zip code, 20615. In November 2007, the United States Postal Service considered closing the small post office and re-routing all mail delivery through the larger St. Leonard post office branch. After residents contacted US Senator Barbara Mikulski about the proposed…
Its first post office opened in 1889. Between the 2010 and 2020 censuses its population fell from 405 to 379 (-6%).
Intro from Wikipedia. Population: U.S. Census Bureau.
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 Wikimedia Commons (4), U.S. Geological Survey historical maps, the US Post Offices dataset (Blevins & Helbock) 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.