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History · Riverdale Township

47% of Riverdale Township’s homes were built before 1940

Below: maps from 1967 on.

0on the National Register
47%homes built before 1940
Add an old photoShare a memory

What stands out about Riverdale 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 Riverdale Township are in the public archives yet. The rest are in attics and albums.Old housesHalf of Riverdale Township’s homes were built before 1949.
★ What stands out · Help out

Start Riverdale Township’s collection

The first neighbors to add old photos shape how Riverdale 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

Riverdale Township, in brief

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

Riverdale Township is a township in Watonwan County, Minnesota, United States. The population was 338 at the 2000 census. Riverdale Township was organized in 1869, and named after the Watonwan River.

Between the 2010 and 2020 censuses its population fell from 294 to 283 (-4%).

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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On the map

Riverdale Township on the map, 1967 to 1991

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

Riverdale Township on the 1967 USGS mapRiverdale Township on the 1986 USGS mapRiverdale Township on the 1991 USGS map1967La Salle sheet · 1:24,000

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

Famous people

Famous people close to Riverdale Township

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

See all →
Franklin EllsworthAmerican politician · b. 1879
Becky BullerMusical artist · b. 1979
Henry Norman GravenUnited States federal judge · b. 1893
J
Joanell DyrstadAmerican politician · b. 1942
A
Adrien StoutenburgAmerican poet and children's writer · b. 1916
M
Mike KingeryAmerican baseball player · b. 1961
Places that used to be

Places now gone and burying grounds

Gone or out of use
La Sallelocale
1cemetery inside Riverdale Township
La Salle Lutheran

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.

Madelia TownshipIts storynot graded: under 1,000 residents or part of its townRosendale Township1 historic placenot graded: under 1,000 residents or part of its townLake Hanska TownshipIts storynot graded: under 1,000 residents or part of its townNelson Township1 historic placenot graded: under 1,000 residents or part of its town

Questions about Riverdale 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 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.