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History · Letcher Township

35% of Letcher Township’s homes were built before 1940

Below: maps from 1899 on and the census since 1900.

0on the National Register
35%homes built before 1940
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What stands out about Letcher 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 Letcher Township are in the public archives yet. The rest are in attics and albums.On the map since 18993 editions of the USGS map, 1899 to 1986. Watch Letcher Township change.Boom and bustPeaked at 454 in 1920; 159 people lived here in 2020.Old housesHalf of Letcher Township’s homes were built before 1964.
★ What stands out · Help out

Start Letcher Township’s collection

The first neighbors to add old photos shape how Letcher 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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On the map

Letcher Township on the map, 1899 to 1986

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

Letcher Township on the 1899 USGS mapLetcher Township on the 1979 USGS mapLetcher Township on the 1986 USGS map1899Mitchell sheet · 1:125,000

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

People over time

Letcher Township, census by census

01002003004005001900192019401960198020002020Peak: 454

Peaked at 454 in 1920; 159 people lived here in 2020.

13 censuses, 1900–2020.

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

The story so far

Letcher Township, in brief

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

Letcher is a town in Sanborn County, South Dakota, United States. The population was 159 at the 2020 census. Letcher has the name of O. T. Letcher, a local landowner.

Between the 2010 and 2020 censuses its population fell from 120 to 105 (-13%).

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.

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Stories next door

History across the town line

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

Butler TownshipIts storynot graded: under 1,000 residents or part of its townElliott TownshipIts storynot graded: under 1,000 residents or part of its townLogan TownshipIts storynot graded: under 1,000 residents or part of its town

Questions about Letcher Township’s history

Memory lane

What the archives can’t tell you, neighbors can.

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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) 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.