Idaho Legislative District 4 is one of 35 districts of the Idaho Legislature. It is currently represented by Mary Souza, Republican of Coeur d'Alene,Luke Malek, Republican of Coeur d'Alene, and Paul Amador, Republican of Coeur d'Alene.
District 4 currently consists of a portion of Kootenai County.
From 2002 to 2012, District 4 consisted of a portion of Kootenai County.
From 1992 to 2002, District 4 consisted of Shoshone County ana a portion of Benewah and Kootenai Counties.