Its Register listings are the Robert A. Crawford House and the Chamberlain Bridge. Its Register listings are the Robert A. Crawford House and the Chamberlain Bridge. Below: 10 old photos and papers, maps from 1884 on, and the census since 1890.
Founding year: the first Chamberlain post office (Blevins & Helbock, CC0).The full story ↓
History grade
What drives Chamberlain’s History grade
On its age, its old homes and the National Register, Chamberlain is more historic than 54% of U.S. towns. Its share of homes from before 1940 holds the grade up; its age pulls it down.
B−
HistoryA character grade: shown, never part of Chamberlain’s overall grade.
South Dakota towns list more on the Register than most of the country (a typical South Dakota town has 37.3 per 10,000 residents, the U.S. 2.4), so Chamberlain’s 7.7 sits near the middle of its state (39% of South Dakota towns have fewer) while its 2 listings outnumber those of 60% of U.S. towns.
How sure. Graded on any two of the three inputs instead, the letter would range from C to B+. The pre-1940 share is a Census survey estimate (±6.9 points). The founding year is the first post office, not a stated founding date.
Founding year: the first post office (other dates in Quick answers). Homes: Census ACS 2020–24. National Register: National Park Service, May 2026 list; each listing counted once (boundary changes and added documentation belong to their listing), and a historic district counts its contributing buildings. How TownRatings grades history →
What stands out about Chamberlain’s past
Read from the archive, the National Register and the record. The page puts what stands out first.
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.
1884Sheet 1 of 1
Edition
Sheets
BrickWoodStone
Sanborn Map Company, via the Library of Congress. Editions published in 1930 or earlier, which are in the public domain.
Chamberlain was named after Selah Chamberlain, a railroad director of the Chicago, Milwaukee and St. Paul Railway, as it was established by European Americans in relation to the construction of the railroad. The city is called "earth dwelling" in Lakota.
Nothing in the archives for these yearsWeddings on Main Street, storms, parades, school pictures, the old store. If it’s in your family album, it belongs here.
The Chamberlain post office opened in 1881, the earliest record of the town by name (U.S. post office records).
How does Chamberlain rank for history?
Chamberlain is more historic than 54% of U.S. towns. The History grade combines the town’s founding era, the share of homes built before 1940 and its National Register listings. It’s a character grade, so it isn’t part of the overall grade. How it works.
What is on the National Register in Chamberlain?
Two places: the Robert A. Crawford House (listed 1994) and the Chamberlain Bridge (2001).
How old are the homes in Chamberlain?
20% of Chamberlain’s homes were built before 1940 (Census estimate, ±6.9 points), against a typical 10% for a South Dakota town; the median home was built in 1971.
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).
From Wikimedia Commons (7), the Library of Congress (4), Wikidata (1), the National Register of Historic Places (2), 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.