Guest, Sign inJoin

Post to Island Grove 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 · Island Grove Township

17% of Island Grove Township’s homes were built before 1940

Below: maps from 1909 on.

0on the National Register
17%homes built before 1940
Add an old photoShare a memory

What stands out about Island Grove 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 Island Grove Township are in the public archives yet. The rest are in attics and albums.On the map since 19093 editions of the USGS map, 1909 to 1971. Watch Island Grove Township change.
★ What stands out · Help out

Start Island Grove Township’s collection

The first neighbors to add old photos shape how Island Grove 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

Island Grove Township on the map, 1909 to 1971

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

Island Grove Township on the 1909 USGS mapIsland Grove Township on the 1940 USGS mapIsland Grove Township on the 1971 USGS map1909Tallula 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 Island Grove Township.

The story so far

Island Grove Township, in brief

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

Island Grove Township is located in Sangamon County, Illinois. As of the 2010 census, its population was 621 and it contained 273 housing units.

Between the 2010 and 2020 censuses its population fell from 621 to 549 (-12%).

Intro from Wikipedia. Population: U.S. Census Bureau.

Timeline

Island Grove Township, 1891 to 1909

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

  1. 19th century
  2. 1891Post officeThe Pasfield post office opens
  3. 20th century
  4. 1903Post officeThe Pasfield post office closes
  5. 1909On the mapFirst mapped by the U.S. Geological Survey
By decade

Island Grove Township, decade by decade

Today1 recent
Island Grove Township hall 2026-05-282026Island Grove Township hall 2026-05-28
Famous people

Famous people close to Island Grove Township

Nobody well known was born in Island Grove Township itself, so here are the best known from just nearby.

See all →
Andre IguodalaAmerican basketball player · b. 1984
Robert Todd LincolnUnion Army officer, U.S. ambassador, and Secret… · b. 1843
Seth Barnes NicholsonAmerican astronomer · b. 1891
Vachel LindsayAmerican poet · b. 1879
C
Cecily StrongAmerican actress · b. 1984
William H. HinrichsenAmerican politician · b. 1850
Places that used to be

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

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

Hamlets and corners on the map
Pasfield
Gone or out of use
Allen SchoolschoolFoutch Schoolschool
4cemeteries and burying grounds inside Island Grove Township
FoutchSaint Mary's CatholicWilcoxWood Wreath Island Grove

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.

New Berlin TownshipIts storynot graded: under 1,000 residents or part of its townCartwright Township1 historic placeA−Curran Township1 historic placeB+

Questions about Island Grove 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 Wikimedia Commons (1), 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.