Hamlin’s post office opened in 1878, and 1 of its places is on the National Register
Most of Hamlin was built recently: 9% of its homes predate 1940 and the median home dates from 1983. Its Register listing is the Roosevelt School. Below: 1 old photo or paper, maps from 1934 on, and the census since 1870.
Peaked at 657 in 1910; 166 people lived here in 2020.
16 censuses, 1870–2020.
U.S. Census Bureau decennial counts, from the census table on Hamlin’s Wikipedia page.
The story so far
Hamlin, in brief
Wikipedia doesn’t have a history of Hamlin yet. The photos, dates and memories neighbors add here are how it gets written.
Hamlin is a town in Aroostook County, Maine, United States. It is located on the border between the U.S. and Canada with a border crossing into the Canadian town of Grand Falls, New Brunswick. The population was 166 at the 2020 census. Hamlin is noted for being the closest continental location in the U.S. to Europe; the town's northeastern corner is situated at a distance of 2,508 miles (4,018 km) from Achill Head in Ireland, making it the closest point in the mainland U.S. to Western Europe.
Its first post office opened in 1878. Between the 2010 and 2020 censuses its population fell from 219 to 166 (-24%).
Intro from Wikipedia. Population: U.S. Census Bureau.
Timeline
Hamlin, 1878 to 1991
Woven from the archive, old maps, post office records, the National Register and the people born here.
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 (3), the National Register of Historic Places (1), U.S. Geological Survey historical maps, U.S. Census counts (via Wikipedia), 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.