From a total population of 18,434, Clarence has a median age of 41.9. The average age of males, in Clarence, is 41.1 while the average age of females is 43.2. When you compare this to median age of Iowa, Clarence is 3.9 years older.
The median income of individuals, in Clarence, is $27,566 while the average household income is $59,672. When comparing the median income of people living in Clarence to the rest of Iowa, the average income in Clarence is $55 less.