Tyler, city, seat (1846) of Smith county, northeastern Texas, U.S. It is located 100 miles (160 km) east-southeast of Dallas. Laid out in 1846 and named for President John Tyler, it was a farming centre until 1930, when the East Texas oil field was discovered. A transportation focus, Tyler became the administrative headquarters for oil companies and now has refineries and commercial and light-industrial developments. Tyler is a regional centre for manufacturing, health care, and retail. It is also known for its flower industry, exemplified by Tyler Municipal Rose Garden and Museum (the country’s largest rose showcase), its annual Texas Rose Festival (October), and the Azalea and Spring Flower Trail. The city is the seat of Texas College (1894), Tyler Junior College (1926), and the University of Texas at Tyler (1971); the planetarium located on the campus of Tyler Junior College is one of the state’s largest. Tyler State Park is located on the northern edge of the city, and there are many small lakes in the vicinity, including Lake Tyler and Lake Tyler East. Notable attractions include Brookshire’s World of Wildlife Museum, Caldwell Zoo, Tyler Museum of Art, Carnegie History Center, and the Goodman-LeGrand Home (1859), an antebellum residence that is now a museum. Inc. city, 1907. Pop. (2000) 83,650; Tyler Metro Area, 174,706; (2010) 96,900; Tyler Metro Area, 209,714.