Constitution of the State of Indiana Art. 4, § 7

Section 7. No person shall be a Senator or a Representative, who, at the time of his election, is not a citizen of the United States;  nor any one who has not been for two years next preceding his election, an inhabitant of this State, and, for one year next preceding his election, an inhabitant of the district whence he may be chosen.  Senators shall be at least twenty-five, and Representatives at least twenty-one years of age.