Lake County, IL isn't checked yet
We haven't checked police, fire and EMS here yet, so we can't tell you which scanner works.
Cities in this county
Waukegan · Mundelein · Gurnee · Round Lake · Libertyville · Lake Zurich · Wauconda · Highland Park · Vernon Hills · Grayslake · Buffalo Grove · Round Lake Beach · Zion · Fox Lake · North Chicago · Deerfield · Hawthorn Woods · Lake Villa · Winthrop Harbor · Long Grove · Lincolnshire · Lake Bluff · Highwood · Bannockburn
Until then, four questions will help you choose:
Don't buy the wrong scanner