Monmouth County is a county located in the central portion of the U.S. state of New Jersey. It is bordered to its west by Mercer and Middlesex Counties, to its south by Ocean County, to its east by the Atlantic Ocean, … See more

According to the U.S. Census Bureau, as of the 2020 Census, the county had a total area of 661.40 square miles (1,713.0 km ), of which 468.18 … See more

2020 census
As of the 2020 census, the county had 643,615 people, 240,377 households, and 161,545 families. The See more

Monmouth County has generally leaned Republican by small margins in federal, state, and local races, though registered Republicans only outnumber registered Democrats by 2.5%. All of its County Commissioners and constitutional officers are Republicans, … See more

Etymology
The naming of Monmouth County has different historical theories. It is thought that the county received its name from the Rhode Island … See more

County government
Monmouth County is governed by a five-member Board of County Commissioners, who are elected at-large for three-year terms of office on a … See more

The Bureau of Economic Analysis calculated that the county's gross domestic product was $34.2 billion in 2021, which was ranked ninth in the state and was a 6.1% … See more