Or. Const. art. V, § 2

Qualifications of Governor. No person except a citizen of the United States, shall be eligible to the Office of Governor, nor shall any person be eligible to that office who shall not have attained the age of thirty years, and who shall not have been three years next preceding his election, a resident within this State. The minimum age requirement of this section does not apply to a person who succeeds to the office of Governor under section 8a of this Article. [Constitution of 1859; Amendment proposed by H.J.R. 52, 1973, and adopted by the people Nov. 5, 1974]