New jersey county Jan 13, 2025 · Find the map, list and seats of the 21 counties in New Jersey, the U. See the latest data from the US Census Bureau and historical trends from 1790 to 2013. 1683. May 11, 2024 · There are a total of 21 counties in the state of New Jersey. Find out the most and least populous counties in New Jersey, as well as their growth rates and areas. Municipal and County Government From Sparta to Salem, Paramus to Pleasantville, local government sites with a wealth of information and services are accessible here. New Jersey has 571 county subdivisions which are known as minor civil divisions (MCDs). Learn about the population, area, formation and government of each county. Bridgeton. Original county in West Jersey--court established 1685; boundaries set 1692. cytflvxklozfesvalobkmonlspcsyclvajsxqzxptejqkwtrjhdpvtzfryfxinwooqycn