Idaho's 1st legislative district is one of 35 districts of the Idaho Legislature. It currently comprises Boundary County, as well as part of Bonner County.
It is currently represented by State Senator Jim Woodward, Republican of Sagle, Representative Mark Sauter, Republican of Sandpoint, and Representative Cornel Rasor, Republican of Sagle.
From 1984 to 1992, District 1 consisted of all of Bonner and Boundary counties.
From 1992 to 2002, District 1 consisted of Boundary County and a portion of Bonner County.
From 2002 to 2012, District 1 consisted of Boundary County and a portion of Bonner County.
From 2012 to 2022, District 1 consisted of Boundary County and a portion of Bonner County.
District 1 currently consists of Boundary County and a portion of Bonner County.