Guest, Sign inJoin

Post to Illinois Township

We’ll email a one-tap link to publish your post. No password, and nothing is public until you click it.
Already a member? Sign in
–Not graded
History · Illinois Township

46% of Illinois Township’s homes were built before 1940

Below: maps from 1889 on.

0on the National Register
46%homes built before 1940
Add an old photoShare a memory

What stands out about Illinois 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 Illinois Township are in the public archives yet. The rest are in attics and albums.On the map since 18894 editions of the USGS map, 1889 to 1985. Watch Illinois Township change.Lost villages2 post offices opened and closed inside today’s Illinois Township, and 1 old place names are still on the map.
★ What stands out · Help out

Start Illinois Township’s collection

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

Illinois Township on the map, 1889 to 1985

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

Illinois Township on the 1889 USGS mapIllinois Township on the 1893 USGS mapIllinois Township on the 1971 USGS mapIllinois Township on the 1985 USGS map1889Caldwell 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 Illinois Township.

Places that used to be

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

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

Rolling Green
1875–1884
Millerton
1884–1912
18701950today
Hamlets and corners on the map
Millerton
Gone or out of use
Anson Oil FieldoilfieldLatta Northwest Oil FieldoilfieldLatta Oil Fieldoilfield
2cemeteries and burying grounds inside Illinois Township
GreencastleWorden

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

The story so far

Illinois Township, in brief

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

Its population held steady between the last two censuses: 173 in 2010, 171 in 2020.

Timeline

Illinois Township, 1875 to 1912

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

  1. 19th century
  2. 1875Post officeThe Rolling Green post office opens
  3. 1884Post officeThe Rolling Green post office closes
  4. 1884Post officeThe Millerton post office opens
  5. 1889On the mapFirst mapped by the U.S. Geological Survey
  6. 20th century
  7. 1912Post officeThe Millerton 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.
Add from your album
Stories next door

History across the town line

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

Ninnescah Township1 historic placeB−Conway TownshipIts storyBLondon TownshipIts storynot graded: under 1,000 residents or part of its townSumner TownshipIts storynot graded: under 1,000 residents or part of its town

Questions about Illinois Township’s history

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.