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B−History
History · Marietta Township

Marietta Township dates to 1788

More historic than 47% of U.S. towns · #690 of 993 in Ohio. What drives it

Most of Marietta Township was built recently: 10% of its homes predate 1940 and the median home dates from 1981. Below: 3 old photos and papers, maps from 1904 on, and the census since 1800.

1788founded
0on the National Register
10%homes built before 1940
3old photos & papers
Add an old photoShare a memory
From Marietta Township’s archive · credits on each photo
Quick answers

How Marietta Township began

When was Marietta Township founded?

1788

Marietta Township dates its founding to 1788 (Wikidata). The census first counted it in 1800.

First census: 321 in 18002020 census: 4,265238 years

How historic is Marietta Township?

B−

More historic than 47% of U.S. towns, on its age, its old homes and the National Register.

What drives the grade ↓
Founding year: Wikidata. First post office: 1869.The full story ↓
History grade

What drives Marietta Township’s History grade

On its age, its old homes and the National Register, Marietta Township is more historic than 47% of U.S. towns, #690 of 993 in Ohio. Its age holds the grade up; its National Register listings pull it down.

B−
HistoryA character grade: shown, never part of Marietta Township’s overall grade.
Founding era1788, from Wikidata: founded 1776–1849, an older era than 75% of U.S. townsA−Homes built before 19409.5% of homes (±5.0) · typical OH town 14.5% · U.S. 8.4%B−National RegisterNo listings counted · typical OH town 2.9 per 10,000 · U.S. 2.4C−
All U.S. towns we grade (21,289)Ahead of 47%
NewerOlder
Ohio towns of 2,500+ (993)Ahead of 31%

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 Marietta Township’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.

NoteThe founding year comes from Wikidata alone; no second source gives 1788.
How sure. Graded on any two of the three inputs instead, the letter would range from C to B. The pre-1940 share is a Census survey estimate (±5.0 points).

Founding year: Wikidata (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 Marietta Township’s past

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

A history waiting to be writtenOnly 3 old photos are in the public archives. The rest are in attics and albums.Lost villages3 post offices opened and closed inside today’s Marietta Township, and 6 old place names are still on the map.On the map since 19046 editions of the USGS map, 1904 to 1994. Watch Marietta Township change.Deep rootsEstablished in 1788: 238 years of Marietta Township.
★ What stands out · Help out

Start Marietta Township’s collection

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

Decades since 1900 with photos
00s10s20s30s40s50s60s70s80s90s
0 of 10 decades. The empty ones are waiting for someone’s album.
Retake an old viewGreat Mound at: stand where they stood+15Share a family photoSign in to add one+10
Places that used to be

Lost post offices, old corners and burying grounds

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

Hills
1869–1907
Rino
1887–today
Cornerville
1890–1891
Netop
1897–1906
18601940today
Hamlets and corners on the map
CornervilleHillsRenoSandhillSouthgate Mobile Home ParkSpringdale
2cemeteries and burying grounds inside Marietta Township
East Lawn MemorialValley

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

On the map

Marietta Township on the map, 1904 to 1994

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

Marietta Township on the 1904 USGS mapMarietta Township on the 1927 USGS mapMarietta Township on the 1957 USGS mapMarietta Township on the 1969 USGS mapMarietta Township on the 1975 USGS mapMarietta Township on the 1994 USGS map1904Marietta 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 Marietta Township.

The story

How Marietta Township came to be

From Wikipedia’s history of Marietta Township.

Read it all →

Succeeding Indigenous cultures lived along the Ohio River and its tributaries for thousands of years. Among them were more than one culture who built earthwork mounds, monuments which generally expressed their cosmology, often with links to astronomical events.

Between 100 BC and AD 500, the Hopewell culture built the multi-earthwork complex on the terrace east of the Muskingum River near its mouth with the Ohio. It is now known as the Marietta Earthworks. Developed over many years, it had a large enclosed square, within which were four platform mounds, used for ceremonial purposes and elite residential; another square, and a larger conical mound used for burials. A walled, graded path led to the river's edge.

ChaptersPrehistoricSettlement19th centuryRailroads and oil20th century

Text from Wikipedia, licensed CC BY-SA 4.0.

Timeline

Marietta Township, 1788 to 1907

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

  1. 18th century
  2. 1788
    FoundingMarietta Township is established
  3. 19th century
  4. 1806In the archiveFortHarmar
  5. 1826In the archiveA Journey in North America, containing a survey of the countries watered by the Mississip…
  6. 1848In the archiveGreat Mound at
  7. 1869Post officeThe Hills post office opens
  8. 1887Post officeThe Rino post office opens
  9. 1890Post officeThe Cornerville post office opens
  10. 1891Post officeThe Cornerville post office closes
  11. 20th century
  12. 1904On the mapFirst mapped by the U.S. Geological Survey
  13. 1907Post officeThe Hills post office closes
By decade

Marietta Township, decade by decade

3 decades in the archive, from the 1800s to the 1840s. Scroll each row; tap a photo for its story.

1800s–1840s3 items
FortHarmar1806FortHarmarDocumentA Journey in North America, containing a survey of the countries watered by the Mississipi, Ohio, Missouri and other af…1826A Journey in North America, containing a survey of th…DocumentGreat Mound at1848Great Mound at
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.

Great Mound at
Retake this viewGreat Mound at, 1848

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

Retake this view · +15
People over time

Marietta Township, census by census

02,0004,0006,0008,00010,00012,00014,00016,00018,00018001850190019502000Peak: 16,861

Between 321 and 16,861 people in every census since 1800.

23 censuses, 1800–2020.

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

Stories next door

History across the town line

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

Marietta14 historic placesA+Newport Township2 historic placesA−Warren TownshipIts storyDFearing TownshipIts storynot graded: under 1,000 residents or part of its townMuskingum Township2 historic placesBRenoIts storyDLawrence Township2 historic placesnot graded: under 1,000 residents or part of its town

Questions about Marietta Township’s history

What year was Marietta Township founded?

In 1788, according to Wikidata. Marietta Township’s post office opened in 1869, and the census of 1800 counted 321 people here.

How does Marietta Township rank for history?

Marietta Township is more historic than 47% of U.S. towns, #690 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.

How old are the homes in Marietta Township?

10% of Marietta Township’s homes were built before 1940 (Census estimate, ±5.0 points), against a typical 15% for an Ohio town; the median home was built in 1981.

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 (3), Wikidata (3), 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.