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History · Lake Benton

Lake Benton’s post office opened in 1873, and 33% of its homes were built before 1940

Its Register listings are the Lake Benton Opera House, the Ernst Osbeck House and the Lake Benton Opera House and Kimball Building. Below: maps from 1894 on and the census since 1880.

1873first post office
2on the National Register
33%homes built before 1940
2famous people
Quick answers

How Lake Benton began

When was Lake Benton founded?

1873

The Lake Benton post office opened in 1873, the earliest record of the town by name.

First census: 184 in 18802020 census: 687153 years
Founding year: the first Lake Benton post office (Blevins & Helbock, CC0).The full story ↓

What stands out about Lake Benton’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 Lake Benton’s collection

The first neighbors to add old photos shape how Lake Benton’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

Lake Benton, census by census

02004006008001,00018801900192019401960198020002020Peak: 961

Peaked at 961 in 1940; 687 people lived here in 2020.

15 censuses, 1880–2020.

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

Every building

Lake Benton, building by building, 1894–1917

Fire insurance maps drew every building, what it was made of and what it was used for, so insurers could price the risk of fire. Pick a year, then a sheet.

Lake Benton fire insurance map, 1894, sheet 11894Sheet 1 of 2
Edition
BrickWoodStone

Sanborn Map Company, via the Library of Congress. Editions published in 1930 or earlier, which are in the public domain.

The story

How Lake Benton came to be

From Wikipedia’s history of Lake Benton.

Read it all →

A post office called Lake Benton has been in operation since 1873. Lake Benton was platted in 1879, and the city took its name from nearby Lake Benton. The county seat was located at Lake Benton from 1882 until 1902.

Text from Wikipedia, licensed CC BY-SA 4.0.

Timeline

Lake Benton, 1873 to 1967

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

  1. 19th century
  2. 1873Post officeThe Lake Benton post office opens
  3. 1889Born hereDonald R. Aldworth is born here
  4. 1891Born hereHarold Koch Boysen is born here
  5. 20th century
  6. 1940CensusPopulation peaks at 961
  7. 1967On 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.

Be the first to add onePhotograph a print flat, in daylight, no flash.
Add from your album
On the map

Lake Benton on the map, 1967 to 1985

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

Lake Benton on the 1967 USGS mapLake Benton on the 1985 USGS map1967Lake Benton 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 Lake Benton.

On the National Register

2 historic places in Lake Benton

The country’s official list of buildings and places worth saving. Boundary changes and added documentation are counted with their listing.

places listed
2
National Historic Landmarks
0
none yet
historic buildings protected
4
each building in a district counts
first listed
1977
Lake Benton Opera House
Buildings

Architectural styles listings

Queen Anne1
Eastlake1
All 3 listings

National Park Service, National Register of Historic Places. Photos from Wikimedia Commons, credited on each place’s page.

Famous people

2 famous people were born in Lake Benton

Writers, athletes, leaders and more, ranked by how widely they’re known.

See all →
Stories next door

History across the town line

Each neighbor’s History grade, on the same three inputs.

Questions about Lake Benton’s history

What year was Lake Benton founded?

The Lake Benton post office opened in 1873, the earliest record of the town by name (U.S. post office records).

What is on the National Register in Lake Benton?

2 listings: 3 buildings, among them the Lake Benton Opera House (listed 1977, the first). 4 historic buildings in all.

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 the National Register of Historic Places (3), Wikipedia, Wikidata and Wikipedia for famous people, 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 Sanborn fire insurance maps (Library of Congress). Archive images are copied here with their credits and licenses, shown on each photo’s page. Refreshed monthly.