From a total population of 1,448, Gregory has a median age of 48.8. The average age of males, in Gregory, is 45.2 while the average age of females is 50.8. When you compare this to median age of South Dakota, Gregory is 12.0 years older.
The median income of individuals, in Gregory, is $21,807 while the average household income is $31,914. When comparing the median income of people living in Gregory to the rest of South Dakota, the average income in Gregory is $4,504 less.