Any citizen of Ohio and the United States who is 18 years of age or older and lives in the county may run for commissioner, auditor, treasurer, clerk of courts, or recorder. The other offices have specific additional requirements: candidates for prosecutor must be licensed to practice law; candidates for coroner must be licensed to practice medicine for two years; candidates for engineer must be both licensed surveyors and engineers; and candidates for sheriff must have either a two-year college degree or five years of supervisory experience in law enforcement.