From a total population of 8,358, Custer has a median age of 52.1. The average age of males, in Custer, is 50.8 while the average age of females is 53. When you compare this to median age of South Dakota, Custer is 15.3 years older.
The median income of individuals, in Custer, is $28,855 while the average household income is $50,903. When comparing the median income of people living in Custer to the rest of South Dakota, the average income in Custer is $2,544 more.