What county is Plainfield NJ in

Plainfield city is located Union County.

The town of Plainfield is in the U.S. state of New Jersey and Union County.

The town of Plainfield covers 15,626 km2, has 49,808 inhabitants (census 2010) and a density of 3,187.51 inhabitants per km2.
The current mayor of Plainfield is Sharon Robinson-Briggs.

What county is Plainfield in?
Is Plainfield NJ Safe?
What is Plainfield New Jersey famous for?
What county is North Plainfield NJ?