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History · Dayton

Dayton dates to 1850, and 71% of its homes were built before 1940

Its Register listing is the Thomas Marshall House. Below: 1 old photo or paper, maps from 1968 on, and the census since 1880.

1850founded
1on the National Register
71%homes built before 1940
1old photo or paper
2famous people
From Dayton’s archive · credits on each photo
Quick answers

How Dayton began

When was Dayton founded?

1850

Dayton dates its founding to 1850 (Wikidata). The census first counted it in 1880.

First census: 579 in 18802020 census: 549176 years
Founding year: Wikidata. First post office: 1855.The full story ↓

What stands out about Dayton’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 Dayton’s collection

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

Decades since 1900 with photos
00s10s20s30s40s50s60s70s80s90s
1 of 10 decades. The empty ones are waiting for someone’s album.
The story

How Dayton came to be

From Wikipedia’s history of Dayton.

Read it all →

The Thomas Marshall House was listed on the National Register of Historic Places in 1976, and is home to the Dayton Area Local History Society.

Text from Wikipedia, licensed CC BY-SA 4.0.

People over time

Dayton, census by census

02004006008001,00018801900192019401960198020002020Peak: 1,049

Peaked at 1,049 in 1920; 549 people lived here in 2020.

15 censuses, 1880–2020.

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

From the old history books

What they wrote about Dayton, 1883–1914

Passages that mention Dayton, cut from the printed page as they were published.

transporting ore and metal from and to the Allegheny Valley Railroad, which lias proved to be very successful. It is designated on the township map the Pine Creek & Dayton Railroad, so named because the people of the borough of Dayton, in this county, and of the valley of Pine creek, have evinced c…
History of Armstrong County, Pennsylvania1883 · page 390Read the page →
Read the text

transporting ore and metal from and to the Allegheny Valley Railroad, which lias proved to be very successful. It is designated on the township map the Pine Creek & Dayton Railroad, so named because the people of the borough of Dayton, in this county, and of the valley of Pine creek, have evinced considerable interest in its extension to Dayton, but as yet without securing the requisite

Text read by machine from the scan; it may contain errors.
select a name which had not been given to any other place, or at least to any postoffice, in this State. Some one present, it is not remembered who, suggested Dayton, which name, it is thought, occurred to the suggestor by reason of some mental association of his with Dayton, Ohio, which was named …
Armstrong County, Pennsylvania1914 · page 243Read the page →
Read the text

select a name which had not been given to any other place, or at least to any postoffice, in this State. Some one present, it is not remembered who, suggested Dayton, which name, it is thought, occurred to the suggestor by reason of some mental association of his with Dayton, Ohio, which was named after Jonathan Dayton, one of the agents who efifected a

Text read by machine from the scan; it may contain errors.
The petition of divers citizens of the town of Dayton for its incorporation into a borough, under the general borough acts, was filed in the proper court on the 3d, approved by the grand jury on the 5th of March, and finally approved by the court on June 5, 1873, when the usual decree was made, and…
History of Armstrong County, Pennsylvania1883 · page 278Read the page →
Read the text

The petition of divers citizens of the town of Dayton for its incorporation into a borough, under the general borough acts, was filed in the proper court on the 3d, approved by the grand jury on the 5th of March, and finally approved by the court on June 5, 1873, when the usual decree was made, and the town duly declared to be incorporated into the borough of Dayton, with these boun-

Text read by machine from the scan; it may contain errors.
Calhoun settlement in the northwestern part of the township, one in the Beck settlement in the southwestern part, another two miles north of Dayton, and one about the same distance southwest of that borough. In i860 the number of schools was 10; average months taught, 4 ; male teachers, 7 ; female …
Armstrong County, Pennsylvania1914 · page 239Read the page →
Read the text

Calhoun settlement in the northwestern part of the township, one in the Beck settlement in the southwestern part, another two miles north of Dayton, and one about the same distance southwest of that borough. In i860 the number of schools was 10; average months taught, 4 ; male teachers, 7 ; female teachers, 3 ; average salaries of male,

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

Dayton, 1850 to 1968

Woven from the archive, old maps, post office records, the National Register and the people born here.

  1. 19th century
  2. 1850
    FoundingDayton is established
  3. 1855Post officeThe Dayton post office opens
  4. 20th century
  5. 1908Born hereWilliam W. Allen is born here
  6. 1920CensusPopulation peaks at 1,049
  7. 1923In the archiveDayton PA Presby PHS162
  8. 1929Born hereRay Mathews is born here
  9. 1968On the mapFirst mapped by the U.S. Geological Survey
By decade

Dayton, decade by decade

One decade in the archive so far: the 1920s. Scroll each row; tap a photo for its story.

1930s–1990snothing yet
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.
Add from your album
On the map

Dayton on the map, 1968 to 1993

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

Dayton on the 1968 USGS mapDayton on the 1973 USGS mapDayton on the 1981 USGS mapDayton on the 1993 USGS map1968Dayton sheet · 1:24,000

U.S. Geological Survey historical topographic maps (public domain), via Esri’s collection of the scans. The red ring marks the center of Dayton.

Then & now

Stand where they stood

No then-and-now pairs yet. Take a photo from the same spot as an old one and they appear here side by side.

Dayton PA Presby PHS162
Retake this viewDayton PA Presby PHS162, 1923

Find the spot, match the angle, and add your photo. It becomes the first then-and-now pair on Dayton’s page.

Retake this view · +15
On the National Register

1 historic place in Dayton

The country’s official list of buildings and places worth saving.

place listed
1
National Historic Landmarks
0
none yet
historic buildings protected
1
each building in a district counts
first listed
1976
Thomas Marshall House
Buildings

Architectural styles listings

Georgian1
Italianate1

National Park Service, National Register of Historic Places. Photos from Wikimedia Commons, credited on each place’s page.

Famous people

2 famous people were born in Dayton

Writers, athletes, leaders and more, ranked by how widely they’re known.

See all →

Questions about Dayton’s history

What year was Dayton founded?

In 1850, according to Wikidata. Dayton’s post office opened in 1855, and the census of 1880 counted 579 people here.

What is on the National Register in Dayton?

One place: the Thomas Marshall House (listed 1976).

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 Wikimedia Commons (3), 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.