Idaho's 13th legislative district is one of 35 districts of the Idaho Legislature. It is currently represented by Senator Brian Lenney, Republican of Nampa, Rep. Brent Crane, Republican of Nampa, and Rep. Steve Tanner, Republican of Nampa.
From 1992 to 2002, District 13 consisted of a portion of Ada County.
From 2002 to 2012, District 13 consisted of a portion of Canyon County.
District 13 currently consists of a portion of Canyon County.