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History · La Prairie

La Prairie’s post office opened in 1890

Most of La Prairie was built recently: 4% of its homes predate 1940 and the median home dates from 1976. Below: maps from 1969 on and the census since 1900.

1890first post office
0on the National Register
4%homes built before 1940
Quick answers

How La Prairie began

When was La Prairie founded?

1890

The La Prairie post office opened in 1890, the earliest record of the town by name. Another post office, Laprairie (1890), opened inside today’s city and later closed.

First census: 88 in 19002020 census: 653136 years
Founding year: the first La Prairie post office (Blevins & Helbock, CC0).The full story ↓

What stands out about La Prairie’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 La Prairie’s collection

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

Decades since 1900 with photos
00s10s20s30s40s50s60s70s80s90s
0 of 10 decades. The empty ones are waiting for someone’s album.
People over time

La Prairie, census by census

0100200300400500600700190019201940196019802000202088 in 1900Low: 43

Lost half of its people between 1900 and 1930, then grew more than tenfold.

13 censuses, 1900–2020.

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

The story

How La Prairie came to be

From Wikipedia’s history of La Prairie.

Read it all →

A post office was in operation at La Prairie from 1890 until 1917. The community was named after the nearby Prairie River.

Text from Wikipedia, licensed CC BY-SA 4.0.

Timeline

La Prairie, 1890 to 2010

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

  1. 19th century
  2. 1890Post officeThe Laprairie post office opens
  3. 20th century
  4. 1917Post officeThe Laprairie post office closes
  5. 1969On the mapFirst mapped by the U.S. Geological Survey
  6. 21st century
  7. 2010CensusPopulation peaks at 665
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

La Prairie on the map, 1969 to 1992

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

La Prairie on the 1969 USGS mapLa Prairie on the 1992 USGS map1969La Prairie sheet · 1:24,000

U.S. Geological Survey historical topographic maps (public domain), via Esri’s collection of the scans. The red ring marks the center of La Prairie.

Famous people

Famous people close to La Prairie

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

See all →
Places that used to be

Lost post offices, old corners and places now gone

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

Hamlets and corners on the map
Acheson Mobile Home VillageMidway Mobile Home Park
Gone or out of use
La PrairielocaleLaprairie Post Officepost office

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.

Questions about La Prairie’s history

What year was La Prairie founded?

The La Prairie post office opened in 1890, 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 →
Start a conversation
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 Wikipedia, 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.