Founding year: the first North Baltimore post office (Blevins & Helbock, CC0).The full story ↓
History grade
What drives North Baltimore’s History grade
On its age, its old homes and the National Register, North Baltimore is more historic than 71% of U.S. towns, #414 of 993 in Ohio. Its share of homes from before 1940 holds the grade up; its age pulls it down.
B+
HistoryA character grade: shown, never part of North Baltimore’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 North Baltimore’s 2.8 sits near the middle of its state (56% of Ohio towns have fewer) while its 1 listings outnumber those of 51% of U.S. towns.
How sure. Graded on any two of the three inputs instead, the letter would range from C+ to A−. The pre-1940 share is a Census survey estimate (±11.5 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 North Baltimore’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.
Sanborn Map Company, via the Library of Congress. Editions published in 1930 or earlier, which are in the public domain.
On the map
North Baltimore on the map, 1903 to 1972
Every edition of the U.S. Geological Survey’s map of North Baltimore. Tap a year, or press play to watch the town change.
1903Findlay 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 North Baltimore.
North Baltimore was platted in 1874 when the Baltimore and Ohio Railroad was extended to that point. A post office called North Baltimore has been in operation since 1874. The village was incorporated in 1876.
In September 26, 1986, an industrial incident in North Baltimore led to fumes hospitalizing 89 people.
North Baltimore’s post office has been open since 1874.
Hamlets and corners on the map
Eagle Landing Mobile Home Park
3cemeteries and burying grounds inside North Baltimore
MapleMaplewoodMaplewood
US Post Offices dataset (Blevins & Helbock, CC0). Places and cemeteries from the USGS Geographic Names Information System (2021).
Questions about North Baltimore’s history
What year was North Baltimore founded?
The North Baltimore post office opened in 1874, the earliest record of the town by name (U.S. post office records).
How does North Baltimore rank for history?
North Baltimore is more historic than 71% of U.S. towns, #414 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 North Baltimore?
One place: the North Baltimore Town Hall (listed 1981).
How old are the homes in North Baltimore?
45% of North Baltimore’s homes were built before 1940 (Census estimate, ±11.5 points), against a typical 15% for an Ohio town; the median home was built in 1956.
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 (6), the National Register of Historic Places (1), 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.