what county is gladstone nj in?
Wage by Gender for Common Jobs. 1  Showing data for Somerset County (North & West) PUMA, NJ. 2  Showing data for Somerset County (North & West) PUMA, NJ. 3  The closest comparable wage GINI for Peapack and Gladstone, NJ is from Somerset County (North & West) PUMA, NJ. 4  Use the dropdown to filter by race/ethnicity.