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WilliamsportOH2Photo: Aesopposea · CC BY-SA 3.0
B+History
History · Williamsport

Williamsport’s post office opened in 1818, and 25% of its homes were built before 1940

More historic than 65% of U.S. towns. What drives it

Below: maps from 1911 on and the census since 1870.

1818first post office
0on the National Register
25%homes built before 1940
Photo: Aesopposea · CC BY-SA 3.0
Quick answers

How Williamsport began

When was Williamsport founded?

1818

The Williamsport post office opened in 1818, the earliest record of the town by name.

First census: 514 in 18702020 census: 970208 years

How historic is Williamsport?

B+

More historic than 65% of U.S. towns, on its age, its old homes and the National Register.

What drives the grade ↓
Founding year: the first Williamsport post office (Blevins & Helbock, CC0).The full story ↓
History grade

What drives Williamsport’s History grade

On its age, its old homes and the National Register, Williamsport is more historic than 65% of U.S. towns. Its share of homes from before 1940 holds the grade up; its National Register listings pull it down.

B+
HistoryA character grade: shown, never part of Williamsport’s overall grade.
All U.S. towns we grade (21,289)Ahead of 65%
NewerOlder

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 Williamsport’s 0.0 sits below most of its state (23% of Ohio towns have fewer) while its 0 listings outnumber those of 23% 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 (±7.8 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 Williamsport’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 Williamsport’s collection

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

Decades since 1900 with photos
00s10s20s30s40s50s60s70s80s90s
0 of 10 decades. The empty ones are waiting for someone’s album.
People over time

Williamsport, census by census

02004006008001,00018801900192019401960198020002020514 in 1870Low: 313

Lost a third of its people between 1870 and 1880, then grew 3-fold.

16 censuses, 1870–2020.

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

On the map

Williamsport on the map, 1911 to 1961

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

Williamsport on the 1911 USGS mapWilliamsport on the 1943 USGS mapWilliamsport on the 1961 USGS map1911Era 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 Williamsport.

The story

How Williamsport came to be

From Wikipedia’s history of Williamsport.

Read it all →

In 2022, the village blocked the development of the 400-megawatt Chipmunk Solar project, which would have become one of the largest renewable energy projects in the United States. With the cancellation of the solar power array, the village lost an estimated $3.6 million per year in tax revenue (most of which was intended for public schools).

Text from Wikipedia, licensed CC BY-SA 4.0.

From the old history books

What they wrote about Williamsport, 1810–1906

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

In the 1830’s the completion of the turnpike westward across Pickaway County to Cincinnati, Ohio brought new trade to the creek-side Village of Williamsport, Ohio which had long established grist and sawmills. Williamsport, surrounded by oak barrens and grain fields, was an attractive settlement fo…
PICKAWAY COUNTY, OHIO HISTORY AND FAMILIES1810 · page 237Read the page →
Read the text

In the 1830’s the completion of the turnpike westward across Pickaway County to Cincinnati, Ohio brought new trade to the creek-side Village of Williamsport, Ohio which had long established grist and sawmills. Williamsport, surrounded by oak barrens and grain fields, was an attractive settlement for a Pennsylvania wagon-maker.

Text read by machine from the scan; it may contain errors.
Williamsport INI. E. Church. — At an early period in the life of the settlement, Samuel Parrott, who lived a half mile east of Williamsport, collected a few people of the Methodist faith together and held meetings at his home.
History of Pickaway County, Ohio1906Read the page →
Read the text

Williamsport INI. E. Church. — At an early period in the life of the settlement, Samuel Parrott, who lived a half mile east of Williamsport, collected a few people of the Methodist faith together and held meetings at his home.

Text read by machine from the scan; it may contain errors.
Circuit was detached in 1807. This was the era when competing churches organized the frontier by camp-meetings. The New Light Presbyterians held a large camp-meeting at the Williams Town (Williamsport), Ohio settlement in 1800 at the Christian Cemetery. In 1808 and 1811 two great Methodist camp-mee…
PICKAWAY COUNTY, OHIO HISTORY AND FAMILIES1810 · page 99Read the page →
Read the text

Circuit was detached in 1807. This was the era when competing churches organized the frontier by camp-meetings. The New Light Presbyterians held a large camp-meeting at the Williams Town (Williamsport), Ohio settlement in 1800 at the Christian Cemetery. In 1808 and 1811 two great Methodist camp-meetings were attended by over two thousand people on Deer Creek six miles south of Williamsport, led by Bishop Francis Asbury, founder of the Methodist movement in the United States.

Text read by machine from the scan; it may contain errors.
Williamsport M. E. Church.—At an early period in the life of the settlement, Samuel Parrott, whe lived a half mile east of Williamsport, collected a few people of the Methodist faith together and held meetiags at his home.
HISTORY OF PICKAWAY COUNTY, OHIO AND REPERESENTATIVE CITIZENS1906 · page 113Read the page →
Read the text

Williamsport M. E. Church.—At an early period in the life of the settlement, Samuel Parrott, whe lived a half mile east of Williamsport, collected a few people of the Methodist faith together and held meetiags at his home.

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

Williamsport, 1818 to 2010

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

  1. 19th century
  2. 1818Post officeThe Williamsport post office opens
  3. 20th century
  4. 1911On the mapFirst mapped by the U.S. Geological Survey
  5. 21st century
  6. 2010CensusPopulation peaks at 1,023
By decade

Williamsport, decade by decade

Places that used to be

Old burying grounds

Williamsport’s post office has been open since 1818.

3cemeteries and burying grounds inside Williamsport
ChristianMethodistSpringlawn

US Post Offices dataset (Blevins & Helbock, CC0). Places and cemeteries from the USGS Geographic Names Information System (2021).

Questions about Williamsport’s history

What year was Williamsport founded?

The Williamsport post office opened in 1818, the earliest record of the town by name (U.S. post office records).

How does Williamsport rank for history?

Williamsport is more historic than 65% 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.

How old are the homes in Williamsport?

25% of Williamsport’s homes were built before 1940 (Census estimate, ±7.8 points), against a typical 15% for an Ohio town; the median home was built in 1965.

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).

From Wikimedia Commons (6), 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 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.