From a total population of 34,402, Columbia has a median age of 35.6. The average age of males, in Columbia, is 32.6 while the average age of females is 37.1. When you compare this to median age of Tennessee, Columbia is 2.7 years younger.
The median income of individuals, in Columbia, is $19,012 while the average household income is $34,325. When comparing the median income of people living in Columbia to the rest of Tennessee, the average income in Columbia is $5,799 less.