Lander is a city in Wyoming and the county seat of Fremont County, Wyoming, United States. Named for transcontinental explorer Frederick W. Lander, Lander is located in central Wyoming, along the Middle Fork of the Popo Agie River. A tourism center with several dude ranches nearby, Lander is located just south of the Wind River Indian Reservation. The population was 7,487 at the 2010 census.