From a total population of 4,986, Harlan has a median age of 46. The average age of males, in Harlan, is 40.9 while the average age of females is 47.8. When you compare this to median age of Iowa, Harlan is 8.0 years older.
The median income of individuals, in Harlan, is $26,159 while the average household income is $42,400. When comparing the median income of people living in Harlan to the rest of Iowa, the average income in Harlan is $1,462 less.