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History · South Flannigan Township

South Flannigan Township dates to 1885

Most of South Flannigan Township was built recently: 0.0% of its homes predate 1940 and the median home dates from 1979. Below: maps from 1908 on and the census since 2000.

1885founded
0on the National Register
0.0%homes built before 1940
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Quick answers

How South Flannigan Township began

When was South Flannigan Township founded?

1885

South Flannigan Township dates its founding to 1885 (Wikidata). The census first counted it in 2000.

First census: 136 in 20002020 census: 148141 years
Founding year: Wikidata. First post office: 1853.

What stands out about South Flannigan 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 South Flannigan Township are in the public archives yet. The rest are in attics and albums.On the map since 19083 editions of the USGS map, 1908 to 1963. Watch South Flannigan Township change.
★ What stands out · Help out

Start South Flannigan Township’s collection

The first neighbors to add old photos shape how South Flannigan 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

South Flannigan Township on the map, 1908 to 1963

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

South Flannigan Township on the 1908 USGS mapSouth Flannigan Township on the 1938 USGS mapSouth Flannigan Township on the 1963 USGS map1908Galatia 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 South Flannigan Township.

The story so far

South Flannigan Township, in brief

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

South Flannigan Township is one of twelve townships in Hamilton County, Illinois, USA. As of the 2020 census, its population was 148 and it contained 67 housing units. It was formed from Flannigan Township.

South Flannigan Township was established in 1885. Between the 2010 and 2020 censuses its population grew from 116 to 148 (+28%).

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

Timeline

South Flannigan Township, 1853 to 1908

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

  1. 19th century
  2. 1853Post officeThe Rector post office opens
  3. 1858Post officeThe Rector post office closes
  4. 1885
    FoundingSouth Flannigan Township is established
  5. 20th century
  6. 1908On 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.
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People over time

South Flannigan Township, census by census

010020002020Peak: 148

Between 116 and 148 people in every census since 2000.

3 censuses, 2000–2020.

U.S. Census Bureau decennial counts, from the census table on South Flannigan Township’s Wikipedia page.

Famous people

Famous people close to South Flannigan Township

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

See all →
Virginia GreggAmerican actress · b. 1916
H
Henry TurnerAmerican endocrinologist · b. 1892
David D. PhelpsAmerican politician · b. 1947
Kendall RhineAmerican basketball player · b. 1943
George BarkerAmerican politician in Virginia · b. 1951
D
Dale SwannAmerican actor · b. 1948
Places that used to be

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

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

Hamlets and corners on the map
University
Gone or out of use
Cantrell SchoolschoolCooper Schoolschool
2cemeteries and burying grounds inside South Flannigan Township
Good HopeWinn

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.

South Twigg TownshipIts storynot graded: under 1,000 residents or part of its townTate TownshipIts storynot graded: under 1,000 residents or part of its townFlannigan TownshipIts storynot graded: under 1,000 residents or part of its townCave TownshipIts storyB−

Questions about South Flannigan Township’s history

What year was South Flannigan Township founded?

In 1885, according to Wikidata. South Flannigan Township’s post office opened in 1853, and the census of 2000 counted 136 people here.

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, U.S. Census counts (via Wikipedia), 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.