Longview is a city in and the county seat of Gregg County, Texas, United States. Longview is located in East Texas, where Interstate 20 and U.S. highways 80 and 259 converge just north of the Sabine River. The population was 81,638 as of the 2020 census, and was estimated at 83,668 in 2024. Longview is the principal city of the Longview metropolitan statistical area, comprising Gregg, Upshur, and Rusk counties. The population of the metropolitan area as of 2025 census estimates was 297,315.