From a total population of 93,153, Underwood has a median age of 38.7. The average age of males, in Underwood, is 37.3 while the average age of females is 40.3. When you compare this to median age of Iowa, Underwood is 0.7 years older.
The median income of individuals, in Underwood, is $26,821 while the average household income is $51,939. When comparing the median income of people living in Underwood to the rest of Iowa, the average income in Underwood is $800 less.