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History · Eagarville

Eagarville’s post office opened in 1931, and 36% of its homes were built before 1940

Below: maps from 1912 on and the census since 1920.

1931first post office
0on the National Register
36%homes built before 1940
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Quick answers

How Eagarville began

When was Eagarville founded?

1931

The Eagarville post office opened in 1931, the earliest record of the town by name.

First census: 378 in 19202020 census: 11495 years
Founding year: the first Eagarville post office (Blevins & Helbock, CC0).

What stands out about Eagarville’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 Eagarville are in the public archives yet. The rest are in attics and albums.Boom and bustPeaked at 483 in 1930; 114 people lived here in 2020.Old housesHalf of Eagarville’s homes were built before 1956.
★ What stands out · Help out

Start Eagarville’s collection

The first neighbors to add old photos shape how Eagarville’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
People over time

Eagarville, census by census

0100200300400500192019401960198020002020Peak: 483

Peaked at 483 in 1930; 114 people lived here in 2020.

11 censuses, 1920–2020.

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

The story so far

Eagarville, in brief

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

Eagarville is a village in Macoupin County, Illinois, United States. The population was 114 at the 2020 census.

Its first post office opened in 1931. Between the 2010 and 2020 censuses its population fell from 127 to 114 (-10%).

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

Timeline

Eagarville, 1912 to 1931

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

  1. 20th century
  2. 1912On the mapFirst mapped by the U.S. Geological Survey
  3. 1930CensusPopulation peaks at 483
  4. 1931Post officeThe Eagarville post office opens
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

Eagarville on the map, 1912 to 1974

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

Eagarville on the 1912 USGS mapEagarville on the 1974 USGS map1912Gillespie 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 Eagarville.

Places that used to be

Old corners and places now gone

Eagarville’s post office has been open since 1931.

Hamlets and corners on the map
Eagerville
Gone or out of use
Mine Number 1mine

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

Questions about Eagarville’s history

What year was Eagarville founded?

The Eagarville post office opened in 1931, 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.