Try here and here (Post #2).
Originally Posted by thedaffodils
The word "inhabitants" was used in several state constitutions of the 18th century in defining voter qualifications. It was also used in the Northwest Ordinance. The Massachusetts Constitution of 1780 actually defined the term, in Part II, Chapter I, Section II, Article II, as follows:
"And to remove all doubts concerning the meaning of the word "inhabitant" in this constitution, every person shall be considered as an inhabitant, for the purpose of electing and being elected into any office, or place within this state, in that town, district or plantation where he dwelleth, or hath his home."
Read more here Congress' interpretation of inhabitant vs. judicial test for domicile
The words "inhabitant", "citizen" and "resident" as employed in different constitutions to define the qualifications of electors mean substantially the same thing; and one is an inhabitant, resident, or citizen at the place where he has his domicile or home. Every person at all times must be considered as having a domicile somewhere, ... Source (p754)