Monmouth County, NJ
Monmouth County Map
The County of Monmouth is located in the State of New Jersey. Find directions to Monmouth County, browse local businesses, landmarks, get current traffic estimates, road conditions, and more. According to the 2020 US Census the Monmouth County population is estimated at 618,381 people. The Monmouth County time zone is Eastern Daylight Time which is 5 hours behind Coordinated Universal Time (UTC).