Loch Arbour is a village situated on the Jersey Shore in Monmouth County, in the U.S. state of New Jersey. As of the 2020 United States census, the village's population was 224, an increase of 30 from the 2010 census count of 194, which had in turn reflected a decline of 86 from the 280 recorded at the 2000 census. In 2020, Loch Arbour was the third-smallest municipality in New Jersey in terms of area and was the fifth-smallest municipality by population in the state of New Jersey.