Halfway’s post office opened in 1887, and 1 of its places is on the National Register
More historic than 40% of U.S. towns · #114 of 261 in Maryland. What drives it
Most of Halfway was built recently: 9% of its homes predate 1940 and the median home dates from 1970. Its Register listing is the Tammany. Below: maps from 1953 on.
Founding year: the first Halfway post office (Blevins & Helbock, CC0).
History grade
What drives Halfway’s History grade
On its age, its old homes and the National Register, Halfway is more historic than 40% of U.S. towns, #114 of 261 in Maryland. Its National Register listings hold the grade up; its age pulls it down.
C+
HistoryA character grade: shown, never part of Halfway’s overall grade.
Few Maryland towns list much on the Register (a typical Maryland town has 0.9 per 10,000 residents, the U.S. 2.4), so Halfway’s 0.9 sits near the middle of its state (48% of Maryland towns have fewer) while its 1 listings outnumber those of 51% of U.S. towns.
How sure. Graded on any two of the three inputs instead, the letter would range from C to C+. The pre-1940 share is a Census survey estimate (±4.0 points). The founding year is the first post office, not a stated founding date.
Founding year: the first post office (other dates in Quick answers). Homes: Census ACS 2020–24. National Register: National Park Service, May 2026 list; each listing counted once (boundary changes and added documentation belong to their listing), and a historic district counts its contributing buildings. How TownRatings grades history →
What stands out about Halfway’s past
Read from the archive, the National Register and the record. The page puts what stands out first.
US Post Offices dataset (Blevins & Helbock, CC0). Places and cemeteries from the USGS Geographic Names Information System (2021).
The story so far
Halfway, in brief
Wikipedia doesn’t have a history of Halfway yet. The photos, dates and memories neighbors add here are how it gets written.
Halfway is a census-designated place (CDP) in Washington County, Maryland, United States. The population was 11,896 at the 2020 census. It is named due to its location, which is halfway between Hagerstown and Williamsport. Halfway is a major suburb in the Hagerstown-Martinsburg, MD-WV, Metropolitan Statistical Area.
Its first post office opened in 1887. Between the 2010 and 2020 censuses its population grew from 10,701 to 11,896 (+11%).
Intro from Wikipedia. Population: U.S. Census Bureau.
Timeline
Halfway, 1887 to 1953
Woven from the archive, old maps, post office records, the National Register and the people born here.
The Halfway post office opened in 1887, the earliest record of the town by name (U.S. post office records).
How does Halfway rank for history?
Halfway is more historic than 40% of U.S. towns, #114 of 261 in Maryland. The History grade combines the town’s founding era, the share of homes built before 1940 and its National Register listings. It’s a character grade, so it isn’t part of the overall grade. How it works.
What is on the National Register in Halfway?
One place: the Tammany (listed 1979).
How old are the homes in Halfway?
9% of Halfway’s homes were built before 1940 (Census estimate, ±4.0 points), against a typical 3.3% for a Maryland town; the median home was built in 1970.
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).
From Wikimedia Commons (30), the National Register of Historic Places (1), 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.