From a total population of 67,662, Columbia County has a median age of 40.4. The average age of males, in Columbia County, is 38.2 while the average age of females is 42.5. When you compare this to median age of Florida, Columbia County is 0.8 years younger.
The median income of individuals, in Columbia County, is $19,884 while the average household income is $39,194. When comparing the median income of people living in Columbia County to the rest of Florida, the average income in Columbia County is $6,615 less.