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History · Harmon Township

Half of Harmon Township’s homes were built after 2004

Most of Harmon Township was built recently: 8% of its homes predate 1940 and the median home dates from 2004. Below: maps from 1890 on.

0on the National Register
8%homes built before 1940
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What stands out about Harmon 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 Harmon Township are in the public archives yet. The rest are in attics and albums.On the map since 18903 editions of the USGS map, 1890 to 1985. Watch Harmon Township change.
★ What stands out · Help out

Start Harmon Township’s collection

The first neighbors to add old photos shape how Harmon 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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On the map

Harmon Township on the map, 1890 to 1985

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

Harmon Township on the 1890 USGS mapHarmon Township on the 1964 USGS mapHarmon Township on the 1985 USGS map1890Wellington sheet · 1:125,000

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

The story so far

Harmon Township, in brief

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

Between the 2010 and 2020 censuses its population fell from 289 to 235 (-19%).

Timeline

Harmon Township, 1883 to 1934

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

  1. 19th century
  2. 1883Post officeThe Cicero post office opens
  3. 1890On the mapFirst mapped by the U.S. Geological Survey
  4. 20th century
  5. 1934Post officeThe Cicero post office closes
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 old corners

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

Hamlets and corners on the map
Cicero

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.

Belle Plaine Township1 historic placeBPalestine TownshipIts storynot graded: under 1,000 residents or part of its townSeventy-Six TownshipIts storynot graded: under 1,000 residents or part of its townAvon TownshipIts storynot graded: under 1,000 residents or part of its town

Questions about Harmon 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, 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.