Wisconsin counties with the least number of residents, according to the Wisconsin Blue Book 2007-2008.

1. Menominee County - 4,633

2. Iron County - 6,983

3. Pepin County - 7,634

4. Forest County - 10,276

5. Buffalo County - 14,142

6. Marquette County - 15,252

7. Bayfield County - 15,828

8. Lafayette County - 16,311

9. Burnett County - 16,614

10. Ashland County - 16,906