From a total population of 6,445, Flandreau has a median age of 40.3. The average age of males, in Flandreau, is 39.2 while the average age of females is 41.5. When you compare this to median age of South Dakota, Flandreau is 3.5 years older.
The median income of individuals, in Flandreau, is $26,995 while the average household income is $50,651. When comparing the median income of people living in Flandreau to the rest of South Dakota, the average income in Flandreau is $684 more.