There are 253 Banks & Credit Unions in Mercer County, New Jersey, serving a population of 373,362 people in an area of 225 square miles. There is 1 Bank & Credit Union per 1,475 people, and 1 Bank & Credit Union per square mile.
In New Jersey, Mercer County is ranked 4th of 21 counties in Banks & Credit Unions per capita, and 6th of 21 counties in Banks & Credit Unions per square mile.