From a total population of 601, New Underwood has a median age of 46.1. The average age of males, in New Underwood, is 38.5 while the average age of females is 49.4. When you compare this to median age of South Dakota, New Underwood is 9.3 years older.
The median income of individuals, in New Underwood, is $23,655 while the average household income is $46,125. When comparing the median income of people living in New Underwood to the rest of South Dakota, the average income in New Underwood is $2,656 less.