what county is cedar grove nj in
Cedar Grove is a township in north central Essex County, New Jersey, United States. As of the 2010 United States Census, the township's population was 12,411, reflecting an increase of 111 (+0.9%) from the 12,300 counted in the 2000 Census, which had in turn increased by 247 (+2.0%) from the 12,053 counted in the 1990 Census.