$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.
For the county of the same name, see Davidson County, North Carolina. Davidson is a lakeside town on Lake Norman in northern Mecklenburg County in the U.S. state of North Carolina. The population was 10,944 at the 2010 census. It is home to Davidson College. The town is centered on the college from which it takes its name.