Langlade County is a county located in the U.S. state of Wisconsin. As of the 2020 census, the population was 19,491. Its county seat is Antigo.

Wisconsin's 7th congressional district is a congressional district of the United States House of Representatives in northwestern and central Wisconsin; it is the largest congressional district in the state geographically, covering 20 counties, for a total of 18,787 sq mi. The district contains the following counties: Ashland, Barron, Bayfield, Burnett, St. Croix, Chippewa (partial), Clark, Douglas, Florence, Forest, Iron, Jackson (partial), Juneau (partial), Langlade, Lincoln, Marathon, Monroe (partial), Oneida, Polk, Price, Rusk, Sawyer, Taylor, Vilas, Washburn, and Wood (partial).