Answer:
Towns and cities are responsible for creating statutes for liquor sales laws, not states or counties. In Champaign, IL., the liquor sales hours are from 6 AM to 12 AM. Many students choose to walk to Urbana where the hours are from 6 AM to 2 AM.
Most questions can be answered be researching this site:
http://www.state.il.us/lcc
Cheers.