From a total population of 2,704, Grundy Center has a median age of 41.9. The average age of males, in Grundy Center, is 38.5 while the average age of females is 46.4. When you compare this to median age of Iowa, Grundy Center is 3.9 years older.
The median income of individuals, in Grundy Center, is $28,058 while the average household income is $51,995. When comparing the median income of people living in Grundy Center to the rest of Iowa, the average income in Grundy Center is $437 more.