BELLEVILLE, a town of Essex county, N.J., U.S.A., on the Passaic river, adjoining Newark, and served by the Erie Rail road. The population was 15,66o in 1920, and was 26,974 in 1930 Federal census. It is a residential suburb of Newark and New York, and also has considerable manufacturing industries (with an output in 1927 valued at $21,734,545), including wire, wire cloth, hats, brushes and chemicals. Belleville township was sep arated from Bloomfield in 1839. A commission form of govern ment was adopted in 1914.