From a total population of 67,089, Columbia County has a median age of 39.8. The average age of males, in Columbia County, is 39.1 while the average age of females is 40.6. When you compare this to median age of Pennsylvania, Columbia County is 0.6 years younger.
The median income of individuals, in Columbia County, is $23,913 while the average household income is $46,367. When comparing the median income of people living in Columbia County to the rest of Pennsylvania, the average income in Columbia County is $4,999 less.