Red Bank is a borough in Monmouth County, in the U.S. state of New Jersey. Incorporated in 1908, the community is on the Navesink River, the area's original transportation route to the ocean and other ports. Red Bank is in the New York metropolitan area and is a commuter town of New York City. As of the 2020 United States census, the borough's population was 12,936, an increase of 730 (+6.0%) from the 2010 census count of 12,206, which in turn reflected an increase of 362 (+3.1%) from the 11,844 counted in the 2000 census. In the 2020 census, Red Bank was the fourth-most-densely populated municipality in Monmouth County.

Monmouth County is a county, located in the central section of the U.S. state of New Jersey. Comprising much of the northern half of the Jersey Shore, it is bordered to its west by Mercer and Middlesex Counties, to its south by Ocean County, to its east by the Atlantic Ocean, and to its north by the Raritan Bay. Monmouth County's geographic area comprises 30% water. The county is considered part of the Central Jersey region of the state, though it was not among the four counties explicitly listed as included in Central Jersey as part of legislation signed into law in 2023.