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History · Arenzville

Arenzville’s post office opened in 1840, and 50% of its homes were built before 1940

Below: maps from 1929 on and the census since 1880.

1840first post office
0on the National Register
50%homes built before 1940
Photo: User:Visviva · CC BY-SA 4.0
Quick answers

How Arenzville began

When was Arenzville founded?

1840

The Arenzville post office opened in 1840, the earliest record of the town by name.

First census: 379 in 18802020 census: 367186 years
Founding year: the first Arenzville post office (Blevins & Helbock, CC0).

What stands out about Arenzville’s past

Read from the archive, the National Register and the record. The page puts what stands out first.

★ What stands out · Help out

Start Arenzville’s collection

The first neighbors to add old photos shape how Arenzville’s history is told.

Decades since 1900 with photos
00s10s20s30s40s50s60s70s80s90s
0 of 10 decades. The empty ones are waiting for someone’s album.
The story so far

Arenzville, in brief

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

Arenzville is a village in Cass County, Illinois, United States. The population was 367 at the 2020 census.

Its first post office opened in 1840. Between the 2010 and 2020 censuses its population fell from 409 to 367 (-10%).

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

People over time

Arenzville, census by census

010020030040050018801900192019401960198020002020Peak: 518

Peaked at 518 in 1910; 367 people lived here in 2020.

15 censuses, 1880–2020.

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

From the old history books

What they wrote about Arenzville in 1915

Passages that mention Arenzville, cut from the printed page as they were published.

under cultivation, and are perhaps as fertile as is known in any agricultural district. They extend from the south line of the county northward east of the village of Arenzville; their northwestern border being nearly a diagonal line to the northeast corner of the county. The soil is of a rich, dar…
history of cass county illinois1915 · page 619Read the page →
Read the text

under cultivation, and are perhaps as fertile as is known in any agricultural district. They extend from the south line of the county northward east of the village of Arenzville; their northwestern border being nearly a diagonal line to the northeast corner of the county. The soil is of a rich, dark color, having the general characteristics of the other prairie soil in Illinois.

Text read by machine from the scan; it may contain errors.

Scans and text from the Internet Archive. Books published in 1930 or earlier, which are in the public domain.

Timeline

Arenzville, 1840 to 1929

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

  1. 19th century
  2. 1840Post officeThe Arenzville post office opens
  3. 20th century
  4. 1910CensusPopulation peaks at 518
  5. 1929On 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.

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On the map

Arenzville on the map, 1929 to 1983

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

Arenzville on the 1929 USGS mapArenzville on the 1932 USGS mapArenzville on the 1983 USGS map1929Arenzville 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 Arenzville.

Famous people

Famous people close to Arenzville

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

See all →

Questions about Arenzville’s history

What year was Arenzville founded?

The Arenzville post office opened in 1840, 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), the USGS Geographic Names Information System and old county and town histories (Internet Archive). Archive images are copied here with their credits and licenses, shown on each photo’s page. Refreshed monthly.