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History · De Witt

De Witt’s post office opened in 1842, and 30% of its homes were built before 1940

Below: maps from 1890 on and the census since 1860.

1842first post office
0on the National Register
30%homes built before 1940
Quick answers

How De Witt began

When was De Witt founded?

1842

The De Witt post office opened in 1842, the earliest record of the town by name.

First census: 203 in 18602020 census: 83184 years
Founding year: the first De Witt post office (Blevins & Helbock, CC0).The full story ↓

What stands out about De Witt’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 De Witt’s collection

The first neighbors to add old photos shape how De Witt’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

De Witt on the map, 1890 to 1982

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

De Witt on the 1890 USGS mapDe Witt on the 1901 USGS mapDe Witt on the 1951 USGS mapDe Witt on the 1982 USGS map1890Marshall sheet · 1:125,000

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

People over time

De Witt, census by census

0100200300400500600700190019502000Peak: 633

Peaked at 633 in 1890; 83 people lived here in 2020.

17 censuses, 1860–2020.

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

The story

How De Witt came to be

From Wikipedia’s history of De Witt.

Read it all →

A post office called De Witt has been in operation since 1842. The community was named for DeWitt Clinton, governor of New York.

Text from Wikipedia, licensed CC BY-SA 4.0.

Timeline

De Witt, 1842 to 1890

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

  1. 19th century
  2. 1842Post officeThe Dewitt post office opens
  3. 1890On the mapFirst mapped by the U.S. Geological Survey
  4. 1890CensusPopulation peaks at 633
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.

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Famous people

Famous people close to De Witt

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

See all →

Questions about De Witt’s history

What year was De Witt founded?

The De Witt post office opened in 1842, the earliest record of the town by name (U.S. post office records).

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 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.