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History · Lenzburg Township

Lenzburg Township’s post office opened in 1853, and 33% of its homes were built before 1940

1853first post office
0on the National Register
33%homes built before 1940
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Quick answers

How Lenzburg Township began

When was Lenzburg Township founded?

1853

The Lenzburg Township post office opened in 1853, the earliest record of the town by name. Another post office, Dutch Hill (1868), opened inside today’s town and later closed.

2020 census: 958173 years
Founding year: the first Lenzburg Township post office (Blevins & Helbock, CC0).

What stands out about Lenzburg 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 Lenzburg Township are in the public archives yet. The rest are in attics and albums.
★ What stands out · Help out

Start Lenzburg Township’s collection

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

Lenzburg Township, in brief

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

Lenzburg is a village in St. Clair County, Illinois, USA. As of the 2020 census, Lenzburg had a population of 468.

Its first post office opened in 1853. Between the 2010 and 2020 censuses its population fell from 1,047 to 958 (-9%).

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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Places that used to be

Lost post offices, places now gone and burying grounds

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

Gone or out of use
East Dutch Hill SchoolschoolRisdon SchoolschoolWest Dutch Hill Schoolschool
6cemeteries and burying grounds inside Lenzburg Township
Dutch HillLeineckeSchneiderWedekindWildyZion

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.

Marissa Township1 historic placeANew Athens TownshipIts storyA−LenzburgIts storynot graded: under 1,000 residents or part of its townMarissa1 historic placeANew AthensIts storyB+

Questions about Lenzburg Township’s history

What year was Lenzburg Township founded?

The Lenzburg Township post office opened in 1853, 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 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.