Founding year: Wikidata. First post office: 1840.The full story ↓
History grade
What drives Port Clinton’s History grade
On its age, its old homes and the National Register, Port Clinton is more historic than 91% of U.S. towns, #140 of 993 in Ohio. All 3 inputs are above most U.S. towns; its share of homes from before 1940 ranks highest and its National Register listings lowest.
A
HistoryA character grade: shown, never part of Port Clinton’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 Port Clinton’s 10.1 sits above most of its state (74% of Ohio towns have fewer) while its 6 historic buildings outnumber those of 72% of U.S. towns.
How sure. Graded on any two of the three inputs instead, the letter would range from A− to A. The pre-1940 share is a Census survey estimate (±5.5 points). Two sources give 1828.
Founding year: Wikidata (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 Port Clinton’s past
Read from the archive, the National Register and the record. The page puts what stands out first.
Fire insurance maps drew every building, what it was made of and what it was used for, so insurers could price the risk of fire. Pick a year, then a sheet.
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.
Established in 1828, the town was named after New York governor DeWitt Clinton, who was instrumental in creating the Erie Canal, which connected the Midwest along the Great Lakes to the markets of the Hudson River and New York.
The city saw small population growth throughout 19th century, with a population of 1,600 in 1880 and 2,049 residents in 1890. By 1886, Port Clinton contained three newspaper offices, four churches, and one bank. Several manufacturing businesses existed in the town, with the largest being A. Couche & Company, a sawmill that employed ten workers. Most businesses provided services or products to farmers in the surrounding countryside.
In 1828, according to Wikidata. Port Clinton’s post office opened in 1840, and the census of 1850 counted 249 people here.
How does Port Clinton rank for history?
Port Clinton is more historic than 91% of U.S. towns, #140 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.
What is on the National Register in Port Clinton?
5 listings: 5 buildings, among them the Ottawa County Courthouse (listed 1974, the first). 6 historic buildings in all.
How old are the homes in Port Clinton?
31% of Port Clinton’s homes were built before 1940 (Census estimate, ±5.5 points), against a typical 15% for an Ohio town; the median home was built in 1960.
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 (11), the Library of Congress (1), the National Register of Historic Places (5), 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 Sanborn fire insurance maps (Library of Congress). Archive images are copied here with their credits and licenses, shown on each photo’s page. Refreshed monthly.