The decision:
http://www.state.il.us/court/Opinions/AppellateCourt/2011/1stDistrict/January/1110033.pdf
...it is elemental that domicile and residence are not synonymous." Pope v. Board of Election Commissioners, 370 Ill. 196, 202, 18 N.E.2d 214 (1938). As the supreme court further explained in Pope, the legal concept of "residence" requires a permanent abode.