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History · Dillon Township

Dillon Township’s post office opened in 1828, and 10% of its homes were built before 1940

Its Register listing is the Waltmire Bridge. Below: maps from 1942 on.

1828first post office
1on the National Register
10%homes built before 1940
Add an old photoShare a memory
Quick answers

How Dillon Township began

When was Dillon Township founded?

1828

The Dillon Township post office opened in 1828, the earliest record of the town by name. Three smaller post offices, Dillon (1828), Danforth (1860) and Tullamore (1865), opened inside today’s town and later closed.

2020 census: 943198 years
Founding year: the first Dillon Township post office (Blevins & Helbock, CC0).The full story ↓

What stands out about Dillon 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 Dillon Township are in the public archives yet. The rest are in attics and albums.Lost villages3 post offices opened and closed inside today’s Dillon Township, and 1 old place names are still on the map.Deep rootsA post office since 1828: 198 years of Dillon Township.
★ What stands out · Help out

Start Dillon Township’s collection

The first neighbors to add old photos shape how Dillon 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
Places that used to be

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

Three other post offices opened and closed inside today’s town.

Dillon
1828–1901
Danforth
1860–1865
Tullamore
1865–1892
18201920today
Hamlets and corners on the map
Dillon
Gone or out of use
Antioch SchoolschoolBerry SchoolschoolBrown SchoolschoolBrush SchoolschoolKeefer SchoolschoolMeixsell SchoolschoolOrwig RLA AirportairportPleasant Valley SchoolschoolStudyvin SchoolschoolTullamore Schoolschool
2cemeteries and burying grounds inside Dillon Township
AntiochDanforth

US Post Offices dataset (Blevins & Helbock, CC0). Places and cemeteries from the USGS Geographic Names Information System (2021).

Timeline

Dillon Township, 1828 to 1942

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

  1. 19th century
  2. 1828Post officeThe Dillon post office opens
  3. 1860Post officeThe Danforth post office opens
  4. 1865Post officeThe Danforth post office closes
  5. 1865Post officeThe Tullamore post office opens
  6. 1892Post officeThe Tullamore post office closes
  7. 20th century
  8. 1901Post officeThe Dillon post office closes
  9. 1942On the mapFirst mapped by the U.S. Geological Survey
The story

How Dillon Township came to be

From Wikipedia’s history of Dillon Township.

Read it all →

Dillon was laid out in 1836, and named in honor of Nathan Dillon, a county official. The Dillon post office was discontinued in 1901.

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.
Add from your album
On the map

Dillon Township on the map, 1942 to 1971

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

Dillon Township on the 1942 USGS mapDillon Township on the 1971 USGS map1942Delavan 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 Dillon Township.

On the National Register

1 historic place in Dillon 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
1999
Waltmire Bridge
Waltmire Bridge
Structures

Architectural styles listings

Pratt through truss bridge1
Waltmire BridgePratt through truss bridge

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

Stories next door

History across the town line

Each neighbor’s History grade, on the same three inputs.

Sand Prairie TownshipIts storyBElm Grove TownshipIts storyCHopedale TownshipIts storyC+Delavan Township3 historic placesA+

Questions about Dillon Township’s history

What year was Dillon Township founded?

The Dillon Township post office opened in 1828, the earliest record of the town by name (U.S. post office records).

What is on the National Register in Dillon Township?

One place: the Waltmire Bridge (listed 1999).

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