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History · Dillonvale

Dillonvale’s post office opened in 1890, and 44% of its homes were built before 1940

Below: maps from 1905 on and the census since 1910.

1890first post office
0on the National Register
44%homes built before 1940
Photo: Roseohioresident · CC BY-SA 4.0
Quick answers

How Dillonvale began

When was Dillonvale founded?

1890

The Dillonvale post office opened in 1890, the earliest record of the town by name.

First census: 1,519 in 19102020 census: 589136 years
Founding year: the first Dillonvale post office (Blevins & Helbock, CC0).The full story ↓

What stands out about Dillonvale’s past

Read from the archive, the National Register and the record. The page puts what stands out first.

★ What stands out · Help out

Start Dillonvale’s collection

The first neighbors to add old photos shape how Dillonvale’s history is told.

Decades since 1900 with photos
00s10s20s30s40s50s60s70s80s90s
0 of 10 decades. The empty ones are waiting for someone’s album.
On the map

Dillonvale on the map, 1905 to 1984

Every edition of the U.S. Geological Survey’s map of Dillonvale. Tap a year, or press play to watch the town change.

Dillonvale on the 1905 USGS mapDillonvale on the 1960 USGS mapDillonvale on the 1972 USGS mapDillonvale on the 1984 USGS map1905St Clairsville 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 Dillonvale.

The story

How Dillonvale came to be

From Wikipedia’s history of Dillonvale.

Read it all →

Dillonvale was originally known as Annadelphia, and under the latter name was laid out in 1816. Nothing much became of the town until the Wheeling and Lake Erie Railway was built through that territory in 1889, at which time a new plat was made and the new names of Dillon, and later Dillonvale, were adopted.

Text from Wikipedia, licensed CC BY-SA 4.0.

By decade

No old photos in the archives yet

Weddings on Main Street, storms, parades, school pictures, the old store. If it’s in your family album, it belongs here.

Be the first to add onePhotograph a print flat, in daylight, no flash.
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Every building

Dillonvale, building by building, 1924

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 sheet.

Dillonvale fire insurance map, 1924, sheet 11924Sheet 1 of 5

Sanborn Map Company, via the Library of Congress. Editions published in 1930 or earlier, which are in the public domain.

People over time

Dillonvale, census by census

02004006008001,0001,2001,4001,6001,800192019401960198020002020Peak: 1,652

Between 589 and 1,652 people in every census since 1910.

12 censuses, 1910–2020.

U.S. Census Bureau decennial counts, from the census table on Dillonvale’s Wikipedia page.

Stories next door

History across the town line

Each neighbor’s History grade, on the same three inputs.

Questions about Dillonvale’s history

What year was Dillonvale founded?

The Dillonvale post office opened in 1890, the earliest record of the town by name (U.S. post office records).

Memory lane

What the archives can’t tell you, neighbors can.

Town Square →
Start a conversation
Sources

Where this page comes from

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). How TownRatings grades history →

From Wikipedia, 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.