Rudolph is an unincorporated community in Brown County, in the U.S. state of South Dakota.
[1] Rudolph was laid out in 1881.
[2] It was named for H. Rudolph McCullough, a railroad official.
[2] A post office called Rudolph was established in 1883, and remained in operation until it was discontinued in 1908.
This South Dakota state location article is a stub.