From a total population of 6,119, Independence has a median age of 39.2. The average age of males, in Independence, is 39.5 while the average age of females is 38.7. When you compare this to median age of Iowa, Independence is 1.2 years older.
The median income of individuals, in Independence, is $27,603 while the average household income is $51,169. When comparing the median income of people living in Independence to the rest of Iowa, the average income in Independence is $18 less.