$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.
The Appalachian Mountains dominate the eastern part of the state, and the Mississippi River forms the state's western border. Tennessee's capital and second largest city is Nashville, which has a population of 601,222. Memphis is the state's largest city, with a population of 653,450. The state of Tennessee is rooted in the Watauga Association, a 1772 frontier pact generally regarded as the first constitutional government west of the Appalachians.