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History · Lake Grove Township

Lake Grove Township’s post office opened in 1914, and 29% of its homes were built before 1940

1914first post office
0on the National Register
29%homes built before 1940
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Quick answers

How Lake Grove Township began

When was Lake Grove Township founded?

1914

The Lake Grove Township post office opened in 1914, the earliest record of the town by name. Another post office, Lake Grove (1914), opened inside today’s town and later closed.

2020 census: 171112 years
Founding year: the first Lake Grove Township post office (Blevins & Helbock, CC0).

What stands out about Lake Grove 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 Lake Grove Township are in the public archives yet. The rest are in attics and albums.
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Start Lake Grove Township’s collection

The first neighbors to add old photos shape how Lake Grove 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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The story so far

Lake Grove Township, in brief

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

Lake Grove Township is a township in Mahnomen County, Minnesota, United States. The population was 203 at the 2000 census. Lake Grove Township was named for the lakes and groves within its borders.

Its first post office opened in 1914. Between the 2010 and 2020 censuses its population fell from 189 to 171 (-10%).

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

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 and burying grounds

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

1cemetery inside Lake Grove Township
Lake Grove

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.

Oakland TownshipIts storynot graded: under 1,000 residents or part of its townRosedale TownshipIts storynot graded: under 1,000 residents or part of its townWhite Earth TownshipIts storynot graded: under 1,000 residents or part of its townPopple Grove TownshipIts storynot graded: under 1,000 residents or part of its town

Questions about Lake Grove Township’s history

What year was Lake Grove Township founded?

The Lake Grove Township post office opened in 1914, 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 →
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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 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.