What is Mercer County?
'''Mercer County''' is the name of eight counties in the United States: * [[Mercer County, New Jersey]] * [[Mercer County, Illinois]] * [[Mercer County, Kentucky]] * [[Mercer County, Missouri]] * [[Mercer County, North Dakota]] * [[Mercer County, Ohio]] * [[Mercer County, Pennsylvania]] * [[Mercer County, West Virginia]] {{disambiguation}}