 About 4.80% of families and 7.00% of the population were below the poverty line, including 8.10% of those under age 18 and 8.30% of those age 65 or over.In the 2008 census report, the county's population was estimated at 152,949.The leading nationality was German at 34.9%, with Irish at 15.2% and French at 11.1%.