The Warren County Jail is located in Belvidere, New Jersey at 175 County Road 519 07823. The jail staff can be reached by calling (908) 475-7900.If you are looking to post bail for an inmate at Warren County Jail fill out the form at the top of this page.
Source: U.S. Census Bureau
Warren has a total population of 109,638. The population has increased by 7,200 (7%) from 2000 through 2009. The population density is 307.2 and covers 357 square miles.
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