Each edition grades its towns against each other only.
Below: maps from 1913 on and the census since 1810.
The Harmony post office opened in 1819, the earliest record of the town by name. Another post office, Mainstream (1852), opened inside today’s town and later closed.
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 Harmony’s history is told.
Peaked at 1,107 in 1850; 825 people lived here in 2020.
22 censuses, 1810–2020.
U.S. Census Bureau decennial counts, from the census table on Harmony’s Wikipedia page.
Harmony’s post office has been open since 1819. Another post office, Mainstream, opened and closed inside today’s town.
US Post Offices dataset (Blevins & Helbock, CC0). Places and cemeteries from the USGS Geographic Names Information System (2021).
Wikipedia doesn’t have a history of Harmony yet. The photos, dates and memories neighbors add here are how it gets written.
Harmony is a town in Somerset County, Maine, United States. The population was 825 at the 2020 census.
Its first post office opened in 1819. Between the 2010 and 2020 censuses its population fell from 939 to 825 (-12%).
Intro from Wikipedia. Population: U.S. Census Bureau.
Woven from the archive, old maps, post office records, the National Register and the people born here.
Born hereHelen Marr Hurd is born here
Born hereBartlett Tripp is born here
Born hereFreeman Knowles is born here
Born hereJames Hutchins Baker is born here
On the mapFirst mapped by the U.S. Geological SurveyEvery edition of the U.S. Geological Survey’s map of Harmony. 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 Harmony.
Writers, athletes, leaders and more, ranked by how widely they’re known.
Each neighbor’s History grade, on the same three inputs.
The Harmony post office opened in 1819, the earliest record of the town by name (U.S. post office records).
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 Wikimedia Commons (3), 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.
2022
2022
2022
