Each edition grades its towns against each other only.
Its Register listing is the Griggs Grange No. 1467. Its Register listing is the Griggs Grange No. 1467. Below: maps from 1905 on.
The Denmark Township post office opened in 1812, the earliest record of the town by name. Three smaller post offices, Denmark (1812), Giddings (1883) and Bulah (1891), 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 Denmark Township’s history is told.
Three other post offices 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).
Every edition of the U.S. Geological Survey’s map of Denmark 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 Denmark Township.
Wikipedia doesn’t have a history of Denmark Township yet. The photos, dates and memories neighbors add here are how it gets written.
Denmark Township is one of the twenty-seven townships of Ashtabula County, Ohio, United States. The 2020 census found 847 people in the township.
Its first post office opened in 1812. Between the 2010 and 2020 censuses its population fell from 946 to 847 (-10%).
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 hereCalvin S. Brice is born here
On the mapFirst mapped by the U.S. Geological SurveyWeddings on Main Street, storms, parades, school pictures, the old store. If it’s in your family album, it belongs here.
The country’s official list of buildings and places worth saving.
National Park Service, National Register of Historic Places. Photos from Wikimedia Commons, credited on each place’s page.
Each neighbor’s History grade, on the same three inputs.
The Denmark Township post office opened in 1812, the earliest record of the town by name (U.S. post office records).
One place: the Griggs Grange No. 1467 (listed 1995).
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 the National Register of Historic Places (1), Wikidata and Wikipedia for famous people, 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.
