Idaho's 4th legislative district is one of 35 districts of the Idaho Legislature. It currently comprises part of Kootenai County.
It is currently represented by state senator Ben Toews, Republican of Coeur d'Alene, as well as state representatives Joe Alfieri, Republican of Coeur d'Alene, and Elaine Price, Republican of Coeur d'Alene.
From 1992 to 2002, District 4 consisted of Shoshone County ana a portion of Benewah and Kootenai Counties.
From 2002 to 2012, District 4 consisted of a portion of Kootenai County.
District 4 currently consists of a portion of Kootenai County.
In December 2022, District 4 will consist of a portion of Kootenai County.