From a total population of 3,105, Williamsburg has a median age of 34.2. The average age of males, in Williamsburg, is 31.8 while the average age of females is 35.8. When you compare this to median age of Iowa, Williamsburg is 3.8 years younger.
The median income of individuals, in Williamsburg, is $24,142 while the average household income is $52,588. When comparing the median income of people living in Williamsburg to the rest of Iowa, the average income in Williamsburg is $3,479 less.