In eastern Oregon, voters in 12 counties have approved ballot measures between 2020 and 2023 that propose seceding from the state and joining neighboring Idaho. Supporters refer to this effort as Greater Idaho.
Since 2020, there have been 16 countywide ballot measures on Greater Idaho in Oregon.
- Voters approved ballot measures in 12 counties—Baker, Grant, Harney, Jefferson, Klamath, Lake, Malheur, Morrow, Sherman, Union, Wallowa, and Wheeler.
- Voters rejected ballot measures in two counties—Douglas and Josephine.
- Douglas County and Wallowa County have voted on ballot measures twice. Voters in Douglas County rejected measures in 2020 and 2022. Voters in Wallowa County rejected a measure in 2020 before approving a measure on May 16, 2023.