$12,200. Age: If you are age 65 or older, you may increase your standard deduction by $1,550 if you file single or head-of-household. If you are married filing jointly and you OR your spouse is 65 or older, you may increase your standard deduction by $1,200.
Davidson County is a county located in the U.S. state of Tennessee. As of the 2010 census, the population was 626,681, making it the second-most populous county in Tennessee. Its county seat is Nashville, the state capital.
Despite its size, it is only the 21st most densely populated state in the country. The current estimated population for 2013 is 6,512,027, up from 6.34 million at the 2010 Census. Tennessee currently has a growth rate of 0.86%, which ranks 23rd in the country.