From a total population of 369,781, Cottleville has a median age of 37.3. The average age of males, in Cottleville, is 36.2 while the average age of females is 38.5. When you compare this to median age of Missouri, Cottleville is 0.8 years younger.
The median income of individuals, in Cottleville, is $32,473 while the average household income is $72,100. When comparing the median income of people living in Cottleville to the rest of Missouri, the average income in Cottleville is $6,467 more.