Okla. Stat. tit. 19, § 19-215.2: District Attorney - Qualifications

Any person, otherwise qualified, who has been a resident of the

state for two (2) years, a registered voter in the district and a

resident residing within such district for at least six (6) months

immediately preceding the filing period, a duly licensed attorney

for at least five (5) years, and at least twenty-eight (28) years of

age, prior to the date of filing for the office, shall be eligible

to hold the office of district attorney. The district attorney

shall reside in the district from which the district attorney was

elected during the term of office.