On its age, its old homes and the National Register, Marion Township is more historic than 43% of U.S. towns, #726 of 993 in Ohio. Its share of homes from before 1940 holds the grade up; its National Register listings pull it down.
C+
HistoryA character grade: shown, never part of Marion 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 Marion 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 (±9.1 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 Marion Township’s past
Read from the archive, the National Register and the record. The page puts what stands out first.
Every edition of the U.S. Geological Survey’s map of Marion Township. Tap a year, or press play to watch the town change.
1907Blanchester 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 Marion Township.
The story so far
Marion Township, in brief
Wikipedia doesn’t have a history of Marion Township yet. The photos, dates and memories neighbors add here are how it gets written.
Marion Township is one of the thirteen townships of Clinton County, Ohio, United States. The 2020 census reported 5,520 people living in the township.
Between the 2010 and 2020 censuses its population grew from 5,394 to 5,520 (+2%).
Intro from Wikipedia. Population: U.S. Census Bureau.
From the old history books
What they wrote about Marion Township in 1882
Passages that mention Marion Township, cut from the printed page as they were published.
The history of Clinton County, Ohio1882 · page 774Read the page →
Read the text
Lawrence settled in Yernon Township, there were no settlements on the south of him; the territory of what is now Marion Township was an unbroken wilderness. Every settler had to cut his own road from the older settlements to' his own land. One of the roads used was known as the Sewell Trace. The nearest mill was at Deerfield, on the Little Miami River. When Mr. Lawrence raised a barn, in 1816, he went to Lebanon to get some coffee for the oc-
Text read by machine from the scan; it may contain errors.
The history of Clinton County, Ohio1882 · page 748Read the page →
Read the text
York County, Penn., on the 19th of June, 1784. In 1802, at the age of eighteen, he came with his father to Ohio and landed above Cincinnati at the present site of Columbia. He lived for nearly twenty years near the town of Montgomery, Hamilton County, from which place he moved to Marion Township, and for a number of years was Justice of the Peace in that township. John B. Gustin, from Pennsylvania, settled in this township in 1836.
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
Marion Township, 1889 to 1907
Woven from the archive, old maps, post office records, the National Register and the people born here.
Marion Township is more historic than 43% of U.S. towns, #726 of 993 in Ohio. 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 Marion Township?
19% of Marion Township’s homes were built before 1940 (Census estimate, ±9.1 points), against a typical 15% for an Ohio town; the median home was built in 1970.
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 (2), U.S. Geological Survey historical maps, 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.