Idaho's 19th legislative district is one of 35 districts of the Idaho Legislature. It is currently represented by Cherie Buckner-Webb, Democrat of Boise, Lauren Necochea, Democrat of Boise, and Melissa Wintrow, Democrat of Boise.
District 19 currently consists of a portion of Ada County.
From 2002 to 2012, District 19 consisted of a portion of Ada County.
From 1992 to 2002, District 17 consisted of a portion of Ada County.