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History · Seymour

Seymour’s post office opened in 1872

Most of Seymour was built recently: 0.0% of its homes predate 1940 and the median home dates from 1959. Below: maps from 1907 on.

1872first post office
0on the National Register
0.0%homes built before 1940
2famous people
Add an old photoShare a memory
Photo: Daniel Schwen · CC BY-SA 4.0
Quick answers

How Seymour began

When was Seymour founded?

1872

The Seymour post office opened in 1872, the earliest record of the town by name.

2020 census: 317154 years
Founding year: the first Seymour post office (Blevins & Helbock, CC0).

What stands out about Seymour’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 Seymour are in the public archives yet. The rest are in attics and albums.On the map since 19073 editions of the USGS map, 1907 to 1970. Watch Seymour change.Old housesHalf of Seymour’s homes were built before 1959.
★ What stands out · Help out

Start Seymour’s collection

The first neighbors to add old photos shape how Seymour’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

Seymour on the map, 1907 to 1970

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

Seymour on the 1907 USGS mapSeymour on the 1957 USGS mapSeymour on the 1970 USGS map1907Mahomet 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 Seymour.

The story so far

Seymour, in brief

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

Seymour is a census-designated place in Champaign County, Illinois, United States. At the 2020 census, it had a population of 317. It is part of Mahomet-Seymour Community Unit School District No. 3.

Its first post office opened in 1872. Between the 2010 and 2020 censuses its population grew from 303 to 317 (+5%).

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

Timeline

Seymour, 1888 to 1908

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

  1. 19th century
  2. 1888Born hereJeff Pfeffer is born here
  3. 20th century
  4. 1907On the mapFirst mapped by the U.S. Geological Survey
  5. 1908Born hereLeo Pfeffer is born here
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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Famous people

2 famous people were born in Seymour

Writers, athletes, leaders and more, ranked by how widely they’re known.

See all →
Jeff PfefferAmerican baseball player · b. 1888
L
Leo PfefferAmerican politician · b. 1908

Questions about Seymour’s history

What year was Seymour founded?

The Seymour post office opened in 1872, 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 →
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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 Wikidata and Wikipedia for famous people and U.S. Geological Survey historical maps. Archive images are copied here with their credits and licenses, shown on each photo’s page. Refreshed monthly.