Each edition grades its towns against each other only.
Below: maps from 1969 on.
The Dempster Township post office opened in 1884, the earliest record of the town by name.
Dempster Township was named for William Dempster, who owned the town site.
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 Dempster Township’s history is told.
From Wikipedia’s history of Dempster Township.
Dempster was platted in 1884. It was named for William Dempster, who owned the town site. A post office has been in operation in Dempster since 1884.
Text from Wikipedia, licensed CC BY-SA 4.0.
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 Dempster Township. 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 Dempster Township.
Nobody well known was born in Dempster Township itself, so here are the best known from just nearby.
Old hamlets and crossroads still carry their names on the map.
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 Dempster Township post office opened in 1884, 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 Wikipedia, U.S. Geological Survey historical maps, 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.
