To be eligible to hold the office of Governor, Lieutenant Governor, Attorney General, Secretary of State, Comptroller or Treasurer, a person must be a United States citizen, at least 25 years old, and a resident of this State for the three years preceding his election. (Source: Illinois Constitution.)
ELIGIBILITY
Ill. Const. art. V, § 3 — under THE EXECUTIVE.
Ill. Const. art. V, § 3
ELIGIBILITY