Each edition grades its towns against each other only.
Most of Osborn was built recently: 7% of its homes predate 1940 and the median home dates from 1984. Below: maps from 1932 on and the census since 1930.
The Osborn post office opened in 1913, the earliest record of the town by name.
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 Osborn’s history is told.
Wikipedia doesn’t have a history of Osborn yet. The photos, dates and memories neighbors add here are how it gets written.
Osborn is a town in Hancock County, Maine, United States. The population was 65 at the 2020 census.
Its first post office opened in 1913. Between the 2010 and 2020 censuses its population fell from 67 to 65 (-3%).
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.
Every edition of the U.S. Geological Survey’s map of Osborn. 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 Osborn.
Between 33 and 72 people in every census since 1930.
10 censuses, 1930–2020.
U.S. Census Bureau decennial counts, from the census table on Osborn’s Wikipedia page.
Nobody well known was born in Osborn itself, so here are the best known from just nearby.
Osborn had its own post office from 1913 to 1923.
US Post Offices dataset (Blevins & Helbock, CC0). Places and cemeteries from the USGS Geographic Names Information System (2021).
Each neighbor’s History grade, on the same three inputs.
The Osborn post office opened in 1913, 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 (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.
2010
