Each edition grades its towns against each other only.
Below: maps from 1941 on and the census since 1830.
The Cooper post office opened in 1827, 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 Cooper’s history is told.
Peaked at 657 in 1840; 168 people lived here in 2020.
20 censuses, 1830–2020.
U.S. Census Bureau decennial counts, from the census table on Cooper’s Wikipedia page.
Woven from the archive, old maps, post office records, the National Register and the people born here.
Wikipedia doesn’t have a history of Cooper yet. The photos, dates and memories neighbors add here are how it gets written.
Cooper is a town in Washington County, Maine, United States. The community was named after General John Cooper, a landowner. The population was 168 at the 2020 census.
Its first post office opened in 1827. Between the 2010 and 2020 censuses its population grew from 154 to 168 (+9%).
Intro from Wikipedia. Population: U.S. Census Bureau.
Weddings on Main Street, storms, parades, school pictures, the old store. If it’s in your family album, it belongs here.
Every edition of the U.S. Geological Survey’s map of Cooper. 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 Cooper.
Cooper had its own post office from 1827 to 1944.
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 Cooper post office opened in 1827, 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 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.
