The Harrington post office opened in 1821, the earliest record of the town by name. Five smaller post offices, Orrington (1800), West Harrington (1876) and Marshville (1893), opened inside today’s town and later closed.
First census: 298 in 18002020 census: 962205 years
Founding year: the first Harrington post office (Blevins & Helbock, CC0).The full story ↓
What stands out about Harrington’s past
Read from the archive, the National Register and the record. The page puts what stands out first.
Originally called Plantation Number 5, it was one of six townships east of the Union River granted in 1762 by the Massachusetts General Court to an association of petitioners. First settled about 1765, it had a population of 177 on June 17, 1797, when incorporated as Harrington. In 1848, the eastern part of the town incorporated as the town of Milbridge.
Nothing in the archives for these yearsWeddings on Main Street, storms, parades, school pictures, the old store. If it’s in your family album, it belongs 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 (5), the National Register of Historic Places (1), Wikipedia, Wikidata and Wikipedia for famous people, 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.