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History · Harmony Township

39% of Harmony Township’s homes were built before 1940

Its Register listing is the Daniel Dayton House.

1on the National Register
39%homes built before 1940
Add an old photoShare a memory

What stands out about Harmony 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 Harmony Township are in the public archives yet. The rest are in attics and albums.Old housesHalf of Harmony Township’s homes were built before 1958.
★ What stands out · Help out

Start Harmony Township’s collection

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

Decades since 1900 with photos
00s10s20s30s40s50s60s70s80s90s
0 of 10 decades. The empty ones are waiting for someone’s album.
Share a family photoSign in to add one+10
The story

How Harmony Township came to be

From Wikipedia’s history of Harmony Township.

Read it all →

Amish came to Fillmore County in 1974 from Ohio, seeking cheaper land.

Text from Wikipedia, licensed CC BY-SA 4.0.

Timeline

Harmony Township, 1855 to 1880

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

  1. 19th century
  2. 1855Post officeThe Big Spring post office opens
  3. 1857BuiltDaniel Dayton House is built
  4. 1880Post officeThe Big Spring post office closes
By decade

Harmony Township, decade by decade

Today6 recent
Harmony, Minnesota2023Harmony, MinnesotaCity of Harmony, Minnesota - Water Tower2017City of Harmony, Minnesota - Water Tower2009-0528-MN-IA10-Harmony-church20092009-0528-MN-IA10-Harmony-church2009-0528-Harmony20092009-0528-HarmonyHarmony, Minnesota signpost2006Harmony, Minnesota signpostGranddad Stalactite in Niagara Cave2005Granddad Stalactite in Niagara Cave
On the National Register

1 historic place in Harmony Township

The country’s official list of buildings and places worth saving.

place listed
1
National Historic Landmarks
0
none yet
historic buildings protected
1
each building in a district counts
first listed
1977
Daniel Dayton House
Daniel Dayton House, built 1857
Buildings

Architectural styles listings

Greek Revival1
Daniel Dayton HouseGreek Revival · Built 1857

National Park Service, National Register of Historic Places. Photos from Wikimedia Commons, credited on each place’s page.

Places that used to be

Lost post offices, old corners, places now gone and burying grounds

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

Hamlets and corners on the map
Big Spring
Gone or out of use
Big Spring Post Officepost office
4cemeteries and burying grounds inside Harmony Township
Big SpringGreenfieldOld Big SpringState Line Methodist

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.

Preston TownshipIts storynot graded: under 1,000 residents or part of its townCanton Township1 historic placenot graded: under 1,000 residents or part of its townBristol TownshipIts storynot graded: under 1,000 residents or part of its town

Questions about Harmony Township’s history

What is on the National Register in Harmony Township?

One place: the Daniel Dayton House (listed 1977).

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 Wikimedia Commons (6), the National Register of Historic Places (1), Wikipedia, 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.