Monmouth County, New Jersey

Monmouth County is a county located on the coast of New Jersey, in the United States within the New York metropolitan area, and the northernmost county along the Jersey Shore. As of the 2020 Census estimate, the county's population was 618,381, making it the state's fifth-most populous county, representing a decrease of 0.6% from the 2010 Census, when the population was enumerated at 630,380, in turn an increase of 15,079 from 615,301 at the 2000 Census. As of 2010, the county fell to the fifth-most populous county in the state, having been surpassed by Hudson County.