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Hassan Valley Township, MN, USA - panoramioPhoto: Eric Friedebach · CC BY 3.0
–Not graded
History · Hassan Valley Township

27% of Hassan Valley Township’s homes were built before 1940

Below: maps from 1958 on and the census since 1910.

0on the National Register
27%homes built before 1940
Photo: Eric Friedebach · CC BY 3.0

What stands out about Hassan Valley Township’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 Hassan Valley Township’s collection

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

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

Hassan Valley Township, census by census

02004006008001,000192019401960198020002020Peak: 926

Peaked at 926 in 1980; 643 people lived here in 2020.

12 censuses, 1910–2020.

U.S. Census Bureau decennial counts, from the census table on Hassan Valley Township’s Wikipedia page.

The story

How Hassan Valley Township came to be

From Wikipedia’s history of Hassan Valley Township.

Read it all →

Hassan Valley was named for the nearby valley of the South Fork Crow River (formerly called the Hassan River).

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.
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On the map

Hassan Valley Township on the map, 1958 to 1982

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

Hassan Valley Township on the 1958 USGS mapHassan Valley Township on the 1982 USGS map1958Hutchinson 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 Hassan Valley Township.

Famous people

Famous people close to Hassan Valley Township

Nobody well known was born in Hassan Valley 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 Hassan Valley Township’s history

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) 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.