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History · Harlem Township

Harlem Township’s post office opened in 1887, and 15% of its homes were built before 1940

Below: maps from 1957 on.

1887first post office
0on the National Register
15%homes built before 1940
Add an old photoShare a memory
Quick answers

How Harlem Township began

When was Harlem Township founded?

1887

The Harlem Township post office opened in 1887, the earliest record of the town by name. Another post office, Harlem (1887), opened inside today’s town and later closed.

2020 census: 37139 years
Founding year: the first Harlem Township post office (Blevins & Helbock, CC0).

What stands out about Harlem 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 Harlem Township are in the public archives yet. The rest are in attics and albums.
★ What stands out · Help out

Start Harlem Township’s collection

The first neighbors to add old photos shape how Harlem 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 so far

Harlem Township, in brief

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

Its first post office opened in 1887. Between the 2010 and 2020 censuses its population fell from 41 to 37 (-10%).

Timeline

Harlem Township, 1887 to 1957

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

  1. 19th century
  2. 1887Post officeThe Harlem post office opens
  3. 20th century
  4. 1912Post officeThe Harlem post office closes
  5. 1957On the mapFirst mapped by the U.S. Geological Survey
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.
Add from your album
On the map

Harlem Township on the map, 1957 to 1986

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

Harlem Township on the 1957 USGS mapHarlem Township on the 1986 USGS map1957Stirum 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 Harlem Township.

Places that used to be

Lost post offices, old corners and burying grounds

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

Hamlets and corners on the map
Harlem
1cemetery inside Harlem Township
Harlem

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.

Bowen TownshipIts storynot graded: under 1,000 residents or part of its townSargent TownshipIts storynot graded: under 1,000 residents or part of its townVerner TownshipIts storynot graded: under 1,000 residents or part of its townVivian TownshipIts storynot graded: under 1,000 residents or part of its townCogswellIts storynot graded: under 1,000 residents or part of its town

Questions about Harlem Township’s history

What year was Harlem Township founded?

The Harlem Township post office opened in 1887, the earliest record of the town by name (U.S. post office records).

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 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.