From a total population of 3,771, Carter Lake has a median age of 38. The average age of males, in Carter Lake, is 38.9 while the average age of females is 35.5. When you compare this to median age of Iowa, Carter Lake is roughly the same.
The median income of individuals, in Carter Lake, is $25,946 while the average household income is $46,923. When comparing the median income of people living in Carter Lake to the rest of Iowa, the average income in Carter Lake is $1,675 less.