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History · Seaton

Seaton’s post office opened in 1883, and 60% of its homes were built before 1940

Below: maps from 1935 on and the census since 1910.

1883first post office
0on the National Register
60%homes built before 1940
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Quick answers

How Seaton began

When was Seaton founded?

1883

The Seaton post office opened in 1883, the earliest record of the town by name.

First census: 326 in 19102020 census: 214143 years
Founding year: the first Seaton post office (Blevins & Helbock, CC0).

What stands out about Seaton’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 Seaton are in the public archives yet. The rest are in attics and albums.Old housesHalf of Seaton’s homes were built before 1938.
★ What stands out · Help out

Start Seaton’s collection

The first neighbors to add old photos shape how Seaton’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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The story so far

Seaton, in brief

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

Seaton is a village in Mercer County, Illinois, United States. The population was 214 at the 2020 census.

Its first post office opened in 1883. Between the 2010 and 2020 censuses its population fell from 222 to 214 (-4%).

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

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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On the map

Seaton on the map, 1935 to 1982

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

Seaton on the 1935 USGS mapSeaton on the 1941 USGS mapSeaton on the 1982 USGS map1935Keithsburg 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 Seaton.

People over time

Seaton, census by census

0100200300192019401960198020002020Peak: 326

Between 214 and 326 people in every census since 1910.

12 censuses, 1910–2020.

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

Questions about Seaton’s history

What year was Seaton founded?

The Seaton post office opened in 1883, 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 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.