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C+History
History · Delaware Township

Delaware Township’s post office opened in 1838

More historic than 43% of U.S. towns. What drives it

Most of Delaware Township was built recently: 7% of its homes predate 1940 and the median home dates from 1986. Below: maps from 1946 on.

1838first post office
0on the National Register
7%homes built before 1940
Quick answers

How Delaware Township began

When was Delaware Township founded?

1838

The Delaware Township post office opened in 1838, the earliest record of the town by name. Five smaller post offices, Delaware (1838), Plattsburg (1849) and Delaware Station (1860), opened inside today’s town and later closed.

2020 census: 1,513188 years

How historic is Delaware Township?

C+

More historic than 43% of U.S. towns, on its age, its old homes and the National Register.

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

What drives Delaware Township’s History grade

On its age, its old homes and the National Register, Delaware Township is more historic than 43% of U.S. towns. Its age holds the grade up; its National Register listings pull it down.

C+
HistoryA character grade: shown, never part of Delaware Township’s overall grade.
All U.S. towns we grade (21,289)Ahead of 43%
NewerOlder

Indiana towns list more on the Register than most of the country (a typical Indiana town has 7.9 per 10,000 residents, the U.S. 2.4), so Delaware Township’s 0.0 sits below most of its state (22% of Indiana 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 B. The pre-1940 share is a Census survey estimate (±5.5 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 Delaware 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, places now gone and burying grounds

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

Delaware
1838–1933
Plattsburg
1849–1857
Delaware Station
1860–1861
Rei
1873–1907
Lookout
1889–1906
18301930today
Hamlets and corners on the map
DelawareLookoutPrattsburg
Gone or out of use
MelissavillelocaleNapoleon Quarrymine
2cemeteries and burying grounds inside Delaware Township
DelawareOld Salem

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

Help out

Start Delaware Township’s collection

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

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

Delaware Township, 1838 to 1946

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

  1. 19th century
  2. 1838Post officeThe Delaware post office opens
  3. 1849Post officeThe Plattsburg post office opens
  4. 1857Post officeThe Plattsburg post office closes
  5. 1860Post officeThe Delaware Station post office opens
  6. 1861Post officeThe Delaware Station post office closes
  7. 20th century
  8. 1933Post officeThe Delaware post office closes
  9. 1946On the mapFirst mapped by the U.S. Geological Survey
The story

How Delaware Township came to be

From Wikipedia’s history of Delaware Township.

Read it all →

Delaware was platted in 1870. An old variant name of the community was called Rei.

A post office was established at Delaware in 1838, and operated until 1933.

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.
Add from your album
On the map

Delaware Township on the map, 1946 to 1961

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

Delaware Township on the 1946 USGS mapDelaware Township on the 1961 USGS map1946Pierceville 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 Delaware Township.

Famous people

Famous people close to Delaware Township

Nobody well known was born in Delaware Township itself, so here are the best known from just nearby.

See all →
Stories next door

History across the town line

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

Questions about Delaware Township’s history

What year was Delaware Township founded?

The Delaware Township post office opened in 1838, the earliest record of the town by name (U.S. post office records).

How does Delaware Township rank for history?

Delaware Township is more historic than 43% 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 Delaware Township?

7% of Delaware Township’s homes were built before 1940 (Census estimate, ±5.5 points), against a typical 14% for an Indiana town; the median home was built in 1986.

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 Wikipedia, U.S. Geological Survey historical maps, 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.