From a total population of 3,346, Waterloo has a median age of 37.4. The average age of males, in Waterloo, is 35.6 while the average age of females is 39.1. When you compare this to median age of Wisconsin, Waterloo is 1.4 years younger.
The median income of individuals, in Waterloo, is $24,899 while the average household income is $58,152. When comparing the median income of people living in Waterloo to the rest of Wisconsin, the average income in Waterloo is $3,008 less.