The Associated Press reports the price tag is about $5,800/day — and roughly $76,000 since late May.
Previous governors have chosen to live in the Executive Mansion in Springfield or stay there while the three-day-a-week legislature is in session.
But Blagojevich wants to go home after each work day — which the AP says averages less than five hours spent at the capitol per trip.
One Republican state senator called the travel cost "an enormous waste," and noted it amounted to more than a teacher's salary.
Blagojevich's office refused to answer questions about the subject.