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Bismuth

Ghost town · Custer County, South Dakota

Iron Mountain quadrangle, USGS topographic map (1954, 1:24,000)
Iron Mountain quadrangle, USGS topographic map (1954, 1:24,000) · U.S. Geological Survey, Historical Topographic Map Collection · Public domain

Bismuth is a ghost town in Custer County, South Dakota. It is one of 4 former communities in Custer County on the federal names register. That ranks the county 7th among the 26 South Dakota counties with a vanished settlement on record.

The U.S. Geological Survey lists Bismuth as a historical populated place: the name is no longer in official use for a community, whether the settlement was abandoned, absorbed into a neighbouring town or renamed. The recorded location is 43.8500° N, 103.3980° W.

Key facts

Elevation4,466 ft
Nearest living townKeystone, SD
Distance to it3.4 miles
Coordinates43.85000, -103.39800

Open the location on a map

What's there now

Bismuth is no longer a community in its own right. The nearest living town is Keystone, SD (population 404), about 3.4 miles away in a straight line, and the site sits at roughly 4,466 feet above sea level. Much of the land around former townsites is private; check access before you visit.

Nearby places

Questions

Where is Bismuth?

Bismuth is in Custer County, South Dakota, at 43.8500, -103.3980.

How many ghost towns are in Custer County?

Custer County, South Dakota has 4 ghost towns on record at Wayfarrow.

Sources and licences

Facts marked "approximately" carry an uncertain date in the source. Text on this page is generated from the sources above; no encyclopedia prose is copied. Last updated 2026-11-05.