From a total population of 305,166, Boulder County has a median age of 35.7. The average age of males, in Boulder County, is 34.4 while the average age of females is 37.1. When you compare this to median age of Colorado, Boulder County is 0.5 years younger.
The median income of individuals, in Boulder County, is $38,524 while the average household income is $69,407. When comparing the median income of people living in Boulder County to the rest of Colorado, the average income in Boulder County is $6,850 more.