The Elmore post office opened in 1852, the earliest record of the town by name. Another post office, Whitestown (1839), opened inside today’s town and later closed.
First census: 1,131 in 18702020 census: 1,370174 years
How historic is Elmore?
B+
More historic than 74% of U.S. towns, on its age, its old homes and the National Register.
Founding year: the first Elmore post office (Blevins & Helbock, CC0).The full story ↓
History grade
What drives Elmore’s History grade
On its age, its old homes and the National Register, Elmore is more historic than 74% of U.S. towns. Its share of homes from before 1940 holds the grade up; its age pulls it down.
B+
HistoryA character grade: shown, never part of Elmore’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 Elmore’s 6.1 sits above most of its state (67% 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 (±8.1 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 Elmore’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.
Elmore is located in what used to be known as the Black Swamp, a sprawling area of marsh that covered the majority of northwest Ohio, and was primarily inhabited by Native Americans until the 19th century. It is believed that the Portage River, which runs alongside the village, most likely derives its name from early explorers who were forced to portage or carry their canoes and boats around the river's intermittent shallows and rapids. German settlers during the first half of the 1800s began the long process of draining the land and clear cutting the dense forest exposing the nutrient rich soil, which, along with a once thriving railroad, provided the foundation for the village’s early growth and development. Elmore was surveyed and platted on October 2, 1851. The land surrounding Elmore is tabletop flat. Several sawmills in the vicinity provided the badly needed "planks" (boards) for …
The Elmore post office opened in 1852, the earliest record of the town by name (U.S. post office records).
How does Elmore rank for history?
Elmore is more historic than 74% 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.
What is on the National Register in Elmore?
One place: the Ohio State Route 51 Bridge Over the Portage River (listed 1994).
How old are the homes in Elmore?
45% of Elmore’s homes were built before 1940 (Census estimate, ±8.1 points), against a typical 15% for an Ohio town; the median home was built in 1949.
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 (9), 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.
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