On its age, its old homes and the National Register, Dublin Township is more historic than 60% 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 Dublin Township’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 Dublin Township’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 two of the three inputs, so a change in either one moves the letter more than it would with three. The pre-1940 share is a Census survey estimate (±10.5 points).
Founding year: our sources. 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 Dublin Township’s past
Read from the archive, the National Register and the record. The page puts what stands out first.
US Post Offices dataset (Blevins & Helbock, CC0). Places and cemeteries from the USGS Geographic Names Information System (2021).
On the map
Dublin Township on the map, 1914 to 1986
Every edition of the U.S. Geological Survey’s map of Dublin Township. Tap a year, or press play to watch the town change.
1914Celina sheet · 1:62,500
U.S. Geological Survey historical topographic maps (public domain), via Esri’s collection of the scans. The red ring marks the center of Dublin Township.
The story so far
Dublin Township, in brief
Wikipedia doesn’t have a history of Dublin Township yet. The photos, dates and memories neighbors add here are how it gets written.
Dublin Township is one of the fourteen townships of Mercer County, Ohio, United States. The 2020 census found 2,132 people in the township.
Its population held steady between the last two censuses: 2,138 in 2010, 2,132 in 2020.
Intro from Wikipedia. Population: U.S. Census Bureau.
Timeline
Dublin Township, 1832 to 1957
Woven from the archive, old maps, post office records, the National Register and the people born here.
Dublin Township is more historic than 60% 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 Dublin Township?
33% of Dublin Township’s homes were built before 1940 (Census estimate, ±10.5 points), against a typical 15% for an Ohio town; the median home was built in 1962.
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 (4), 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.