Ironton dates to 1849, and 41% of its homes were built before 1940
More historic than 98% of U.S. towns · #21 of 993 in Ohio. What drives it
10 places in town are on the National Register, among them three historic districts with 179 buildings between them. Below: 12 old photos and papers, maps from 1885 on, and the census since 1860.
Founding year: Wikidata; Wikipedia’s history section gives the same year. First post office: 1850.The full story ↓
History grade
What drives Ironton’s History grade
On its age, its old homes and the National Register, Ironton is more historic than 98% of U.S. towns, #21 of 993 in Ohio. All 3 inputs are above most U.S. towns; its share of homes from before 1940 ranks highest and its age lowest.
A+
HistoryA character grade: shown, never part of Ironton’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 Ironton’s 174 sits above most of its state (96% of Ohio towns have fewer) while its 187 historic buildings outnumber those of 93% 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 (±4.7 points). Two sources give 1849.
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 Ironton’s past
Read from the archive, the National Register and the record. The page puts what stands out first.
National Park Service, National Register of Historic Places. Photos from Wikimedia Commons, credited on each place’s page.
Every building
Ironton, building by building, 1885–1916
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.
Ironton was founded in 1849 by John Campbell, a prominent pig iron manufacturer in the area. He chose the location of Ironton because of its site along the Ohio River, which would allow for water transport of iron ore to markets downriver.
Between 1850 and 1890, Ironton was one of the foremost producers of iron in the world. England, France, and Russia all purchased iron for warships from here due to the quality. Iron produced here was used for the USS Monitor, the United States' first ironclad ship. More than 90 furnaces were operating at the peak of production in the late 19th century.
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.
In 1849, according to Wikidata and Wikipedia’s history of the town. Ironton’s post office opened in 1850, and the census of 1860 counted 3,691 people here.
How does Ironton rank for history?
Ironton is more historic than 98% of U.S. towns, #21 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 Ironton?
10 listings: 7 buildings and 3 historic districts, the Downtown Ironton Historic District, the Fifth and Lawrence Streets Residential District and the Rankin Historic District, with 179 contributing buildings. 187 historic buildings in all.
How old are the homes in Ironton?
41% of Ironton’s homes were built before 1940 (Census estimate, ±4.7 points), against a typical 15% for an Ohio town; the median home was built in 1951.
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 (12), the National Register of Historic Places (10), 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.