Wisconsin. Chicago's great, but Wisconsin is easily better than non-Chicago Illinois.
There's little difference between rural Wisconsin and rural Illinois
I like trees, a cooler climate, and the more liberal culture of the North.
The forest-y part of Wisconsin doesn't start until you get north of Green Bay (lots of farmland in Central WI), by which you could compare how forest-y Illinois is south of Springfield.
Northern Wisconsin and Southern Illinois have shown similar voting trends - formerly Democrat, now voting pretty solidly Republican.