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A−History
History · Portage Township

Portage Township’s post office opened in 1829, and 24% of its homes were built before 1940

More historic than 82% of U.S. towns. What drives it

Its Register listing is the William Graham House. Below: maps from 1901 on and the census since 1880.

1829first post office
1on the National Register
24%homes built before 1940
Quick answers

How Portage Township began

When was Portage Township founded?

1829

The Portage Township post office opened in 1829, the earliest record of the town by name. Four smaller post offices, Mungen (1868), Sixpoints (1879) and Mermill (1884), opened inside today’s town and later closed.

First census: 304 in 18802020 census: 1,558197 years

How historic is Portage Township?

A−

More historic than 82% of U.S. towns, on its age, its old homes and the National Register.

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

What drives Portage Township’s History grade

On its age, its old homes and the National Register, Portage Township is more historic than 82% of U.S. towns. All 3 inputs are above most U.S. towns; its share of homes from before 1940 ranks highest and its National Register listings lowest.

A−
HistoryA character grade: shown, never part of Portage Township’s overall grade.
All U.S. towns we grade (21,289)Ahead of 82%
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 Portage Township’s 5.6 sits above most of its state (66% 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 B+ to A−. The pre-1940 share is a Census survey estimate (±7.0 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 Portage Township’s past

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

★ What stands out · Places that used to be

Lost post offices, old corners and burying grounds

Four other post offices opened and closed inside today’s town.

Mungen
1868–1909
Sixpoints
1879–1901
Mermill
1884–1954
Cloverdale
1892–1904
18601940today
Hamlets and corners on the map
CloverdaleMermillMungenSix Points
2cemeteries and burying grounds inside Portage Township
Mount ZionPortage

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

Help out

Start Portage Township’s collection

The first neighbors to add old photos shape how Portage Township’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

Portage Township on the map, 1901 to 1969

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

Portage Township on the 1901 USGS mapPortage Township on the 1958 USGS mapPortage Township on the 1969 USGS map1901Bowling Green 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 Portage Township.

The story

How Portage Township came to be

From Wikipedia’s history of Portage Township.

Read it all →

Portage was platted in 1836. The village takes its name from the nearby Portage River. A post office called Portage has been in operation since 1829. Portage was incorporated as a village in 1857.

Text from Wikipedia, licensed CC BY-SA 4.0.

Timeline

Portage Township, 1852 to 1954

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

  1. 19th century
  2. 1852BuiltWilliam Graham House is built
  3. 1868Post officeThe Mungen post office opens
  4. 1879Post officeThe Sixpoints post office opens
  5. 1884Post officeThe Mermill post office opens
  6. 20th century
  7. 1900CensusPopulation peaks at 546
  8. 1901Post officeThe Sixpoints post office closes
  9. 1901On the mapFirst mapped by the U.S. Geological Survey
  10. 1909Post officeThe Mungen post office closes
  11. 1954Post officeThe Mermill post office closes
By decade

Portage Township, decade by decade

On the National Register

1 historic place in Portage Township

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
1984
William Graham House
Buildings

Architectural styles listings

Germanic1
Georgian1

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

People over time

Portage Township, census by census

010020030040050060018801900192019401960198020002020Peak: 546

Peaked at 546 in 1900; 398 people lived here in 2020.

15 censuses, 1880–2020.

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

Stories next door

History across the town line

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

Questions about Portage Township’s history

What year was Portage Township founded?

The Portage Township post office opened in 1829, the earliest record of the town by name (U.S. post office records).

How does Portage Township rank for history?

Portage Township is more historic than 82% 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 Portage Township?

One place: the William Graham House (listed 1984).

How old are the homes in Portage Township?

24% of Portage Township’s homes were built before 1940 (Census estimate, ±7.0 points), against a typical 15% for an Ohio town; the median home was built in 1972.

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 (5), the National Register of Historic Places (1), Wikipedia, U.S. Geological Survey historical maps, U.S. Census counts (via Wikipedia), the US Post Offices dataset (Blevins & Helbock) and the USGS Geographic Names Information System. Archive images are copied here with their credits and licenses, shown on each photo’s page. Refreshed monthly.