Tyler is a city in and the county seat of Smith County, Texas, United States. This city had a population of 96,900 in 2010, according to the United States Census Bureau. Tyler's 2014 estimated population is 107,405. It is 100 miles (160 km) east-southeast of Dallas. Tyler is the principal city of the Tyler Metropolitan Statistical Area, with a population of 209,714 in 2010, and the regional center of the Tyler-Jacksonville combined statistical area, with a population of 260,559 in 2010.