Tulia is a city in and the county seat of Swisher County, Texas, United States. The population was 4,967 at the 2010 census; by the 2020 census, it had fallen to 4,473. The city is at the junction of U.S. Route 87 and Texas State Highway 86, about 2 miles (3 km) east of Interstate 27. Tulia is a center for farming and agribusiness activities.