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History · Dewey Township

Half of Dewey Township’s homes were built after 1988

Most of Dewey Township was built recently: 0.0% of its homes predate 1940 and the median home dates from 1988. Below: maps from 1919 on.

0on the National Register
0.0%homes built before 1940
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What stands out about Dewey 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 writtenNo old photos of Dewey Township are in the public archives yet. The rest are in attics and albums.On the map since 19193 editions of the USGS map, 1919 to 1982. Watch Dewey Township change.
★ What stands out · Help out

Start Dewey Township’s collection

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

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

Dewey Township on the map, 1919 to 1982

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

Dewey Township on the 1919 USGS mapDewey Township on the 1957 USGS mapDewey Township on the 1982 USGS map1919Pelan 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 Dewey Township.

The story so far

Dewey Township, in brief

Wikipedia doesn’t have a history of Dewey Township yet. The photos, dates and memories neighbors add here are how it gets written.

Dewey Township is a township in Roseau County, Minnesota, United States. The population was 114 at the 2000 census. Dewey is in the 7th congressional district of Minnesota and is represented by Democrat Collin Peterson. Dewey Township was named for George Dewey (1837–1917), an American admiral.

Between the 2010 and 2020 censuses its population fell from 122 to 98 (-20%).

Intro from Wikipedia. Population: U.S. Census Bureau.

Timeline

Dewey Township, 1899 to 1919

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

  1. 19th century
  2. 1899Post officeThe Sanwick post office opens
  3. 20th century
  4. 1914Post officeThe Sanwick post office closes
  5. 1919On the mapFirst mapped by the U.S. Geological Survey
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.
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Places that used to be

Lost post offices, places now gone and burying grounds

Another post office, Sanwick, opened and closed inside today’s town.

Gone or out of use
Sanwick Post Officepost office
1cemetery inside Dewey Township
Pauli

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

Stories next door

History across the town line

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

Pelan TownshipIts storynot graded: under 1,000 residents or part of its townLind TownshipIts storynot graded: under 1,000 residents or part of its townHereim TownshipIts storynot graded: under 1,000 residents or part of its townPolonia TownshipIts storynot graded: under 1,000 residents or part of its town

Questions about Dewey Township’s history

Memory lane

What the archives can’t tell you, neighbors can.

Town Square →
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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 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.