To entitle a person to vote at any election by the people, he shall have resided in the state at least one year, in the county six months, and in the precinct or ward three months, immediately preceding the election at which he offers to vote, and he shall have been duly registered as an elector, and shall have paid on or before the first day of February next preceding the date of the election at which he offers to vote, all poll taxes due from him for the two calendar years next preceding. Provided, that any elector who, within three months next preceding the date of the election at which he offers to vote, has removed from one precinct or ward to another precinct or ward in the same county, incorporated town, or city, shall have the right to vote in the precinct or ward from which he has so removed, if he would have been entitled to vote in such precinct or ward but for such removal.