Citizens entitled to vote in municipal elections.

Every citizen of this State and of the United States: (1) Of the age of eighteen years and upwards; (2) Having all the qualifications mentioned in Section 7-5-120; (3) Who has resided within the corporate limits of any incorporated municipality in this State for thirty days previous to any municipal election; (4) Who has been registered for county, state, and national elections as herein required; is entitled to vote at all municipal elections of his municipality.