West Orange is a suburban township in central Essex County, New Jersey, United States. As of the 2010 United States Census, the township's population was 46,207, reflecting an increase of 1,264 (+2.8%) from the 44,943 counted in the 2000 Census, which had in turn increased by 5,840 (+14.9%) from the 39,103 counted in the 1990 Census.