$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.
With 528 square miles of land, the consolidated population of Nashville is estimated at 627,000 in 2014. Nashville's metropolitan area is the largest in Tennessee and encompasses all Middle Tennessee counties. In 2009, a survey found 628,434 people living in the city, with a density of 1,204 people per square mile (465/square kilometer).