Blue Ash’s post office opened in 1887, and 1 of its places is on the National Register
More historic than 44% of U.S. towns · #723 of 993 in Ohio. What drives it
Most of Blue Ash was built recently: 4% of its homes predate 1940 and the median home dates from 1981. 1 place in town is on the National Register, among them a historic district with 10 buildings. Below: maps from 1898 on and the census since 1960.
The Blue Ash post office opened in 1887, the earliest record of the town by name. Three smaller post offices, Hazlewood (1860), Brough (1882) and Blue Ash (1887), opened inside today’s city and later closed.
First census: 8,341 in 19602020 census: 13,394139 years
How historic is Blue Ash?
C+
More historic than 44% of U.S. towns, on its age, its old homes and the National Register.
Founding year: the first Blue Ash post office (Blevins & Helbock, CC0).The full story ↓
History grade
What drives Blue Ash’s History grade
On its age, its old homes and the National Register, Blue Ash is more historic than 44% of U.S. towns, #723 of 993 in Ohio. Its National Register listings hold the grade up; its share of homes from before 1940 pulls it down.
C+
HistoryA character grade: shown, never part of Blue Ash’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 Blue Ash’s 7.4 sits above most of its state (70% of Ohio towns have fewer) while its 10 historic buildings outnumber those of 76% of U.S. towns.
How sure. Graded on any two of the three inputs instead, the letter would range from C− to B. The pre-1940 share (±2.1 points) is firm at this size. 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 Blue Ash’s past
Read from the archive, the National Register and the record. The page puts what stands out first.
The area that is now Blue Ash was settled around 1791. In 1797, the first settlers built Carpenter's Run Baptist Church out of blue ash logs, giving the area its eventual name.
In the late 19th century, the Cincinnati, Lebanon and Northern Railway provided narrow-gauge commuter rail service to Blue Ash.
Passages that mention Blue Ash, cut from the printed page as they were published.
History of Cincinnati and Hamilton County, Ohio1894 · page 452Read the page →
Read the text
Blue Ash derives its name from the old church and school of that name, for which it was suggested by the prevailing character of the timber in the surrounding region. The first name of the railroad station was Harper, which was conferred in honor of President Harper, of the Cincinnati, Lebanon & Northern railway.
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
Blue Ash, 1835 to 1962
Woven from the archive, old maps, post office records, the National Register and the people born here.
The Blue Ash post office opened in 1887, the earliest record of the town by name (U.S. post office records).
How does Blue Ash rank for history?
Blue Ash is more historic than 44% of U.S. towns, #723 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 Blue Ash?
One place: the Brown-Gorman Farm (listed 2012).
How old are the homes in Blue Ash?
4% of Blue Ash’s homes were built before 1940 (Census estimate, ±2.1 points), against a typical 15% for an Ohio town; the median home was built in 1981.
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 (4), 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 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.