Founding year: the first De Graff post office (Blevins & Helbock, CC0).The full story ↓
History grade
What drives De Graff’s History grade
On its age, its old homes and the National Register, De Graff is more historic than 54% of U.S. towns. Its share of homes from before 1940 holds the grade up; its National Register listings pull it down.
B−
HistoryA character grade: shown, never part of De Graff’s overall grade.
Ohio towns list about as much on the Register as the country (a typical Ohio town has 2.9 per 10,000 residents, the U.S. 2.4), so De Graff’s 0.0 sits below most of its state (23% of Ohio towns have fewer) while its 0 listings outnumber those of 23% of U.S. towns.
How sure. Graded on any two of the three inputs instead, the letter would range from C− to B+. The pre-1940 share is a Census survey estimate (±15.3 points). The founding year is the first post office, not a stated founding date.
Founding year: the first post office (other dates in Quick answers). Homes: Census ACS 2020–24. National Register: National Park Service, May 2026 list; each listing counted once (boundary changes and added documentation belong to their listing), and a historic district counts its contributing buildings. How TownRatings grades history →
What stands out about De Graff’s past
Read from the archive, the National Register and the record. The page puts what stands out first.
De Graff was named in honor of a railroad official. Different sources format the community's name in several different ways: besides the official De Graff, the name has been rendered De Graft, DeGraff, Degraff, and Degraft.
Passages that mention De Graff, cut from the printed page as they were published.
History of Logan County and Ohio1880 · page 368Read the page →
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umbus for his machinery. In 1840, he built a grist-mill, which is still standing, now owned by Mathias Wolf. In 1850, he laid out the village of De Graff. The Bellefontaine and Indiana road, now “ Bee Line,” had been projected, and even staked out at this time, and | John Koke, who had purchased the land of Mr. Boggs, in company with Samuel Gilfillin,
Text read by machine from the scan; it may contain errors.
History of Logan County and Ohio1880 · page 366Read the page →
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Shawanoes or Shawnees, known among the settlers as Oldtown, was located on the bank of Stony Creek, about a mile and a half southwest of the present town of De Graff. A good many of its inhabitants, however, soon left after the accessions to the scttlemert began to be more numerous, so that there was barely a representation of the natives in 1812. But a
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History of Logan County and Ohio1880 · page 667Read the page →
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ei]7 after Jlr. Cookston's marriag-e he located in Union Co., near where De Graff now stands, wliicli was at that tini(i covered with timber and underbrush. After making several changes, and renting some time, he bought 90 acres ol' land north of De Graff', where he lived six years; then moving to De Graff, and
Text read by machine from the scan; it may contain errors.
History of Logan County and Ohio1880 · page 667Read the page →
Read the text
after Mr.-Cookston’s marriage he located in Union Co., near where De Graff now stands, which was at that time covered with timber and underbrush. After making several changes, and renting some time, he bought 90 acres of land north of De Graff, where he ‘lived six years; then moving to De Graff, and living there three years, he purchased. 160
Text read by machine from the scan; it may contain errors.
Scans and text from the Internet Archive. Books published in 1930 or earlier, which are in the public domain.
Timeline
De Graff, 1853 to 1931
Woven from the archive, old maps, post office records, the National Register and the people born here.
Nothing in the archives for these yearsWeddings on Main Street, storms, parades, school pictures, the old store. If it’s in your family album, it belongs here.
The De Graff post office opened in 1853, the earliest record of the town by name (U.S. post office records).
How does De Graff rank for history?
De Graff is more historic than 54% of U.S. towns. The History grade combines the town’s founding era, the share of homes built before 1940 and its National Register listings. It’s a character grade, so it isn’t part of the overall grade. How it works.
How old are the homes in De Graff?
46% of De Graff’s homes were built before 1940 (Census estimate, ±15.3 points), against a typical 15% for an Ohio town; the median home was built in 1950.
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).
From Wikimedia Commons (7), Wikipedia, 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), the USGS Geographic Names Information System and old county and town histories (Internet Archive). Archive images are copied here with their credits and licenses, shown on each photo’s page. Refreshed monthly.