Lost post offices, old corners and burying grounds
Two other post offices opened and closed inside today’s town.
Friesland
1896–1917
Groningen
1896–1954
18901960today
Hamlets and corners on the map
FrieslandGroningen
2cemeteries and burying grounds inside Dell Grove Township
Dell GroveEvergreen Memorial Park
US Post Offices dataset (Blevins & Helbock, CC0). Places and cemeteries from the USGS Geographic Names Information System (2021).
The story so far
Dell Grove Township, in brief
Wikipedia doesn’t have a history of Dell Grove Township yet. The photos, dates and memories neighbors add here are how it gets written.
Dell Grove Township is a township in Pine County, Minnesota, United States. The population was 699 at the 2000 census. Dell Grove Township was named for the pine groves in the valley.
Between the 2010 and 2020 censuses its population grew from 697 to 752 (+8%).
Intro from Wikipedia. Population: U.S. Census Bureau.
Timeline
Dell Grove Township, 1896 to 1961
Woven from the archive, old maps, post office records, the National Register and the people born here.
Every edition of the U.S. Geological Survey’s map of Dell Grove Township. Tap a year, or press play to watch the town change.
1961Sandstone 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 Dell Grove Township.
On the National Register
1 historic place in Dell Grove Township
The country’s official list of buildings and places worth saving.
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 National Register of Historic Places (1), 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.