The Idaho Legislature is the state legislature of the U.S. state of Idaho. It consists of the upper Idaho Senate and the lower Idaho House of Representatives. The Idaho Senate contains 35 Senators, who are elected from 35 districts. The Idaho House of Representatives consists of 70 Representatives, who are elected from the same 35 legislative districts, with 2 being elected from each constituency. There are no term limits for either chamber.
The crossing of upper and lower house districts into a single constituency is found in only seven U.S. state legislatures: Idaho, Arizona, Maryland, New Jersey, North Dakota, South Dakota, and Washington. As of 2000, each legislative district in the state of Idaho had approximately 37,000 residents.