New Jersey. Department of Labor. Division of Planning and Research. Office of Demographic and Economic AnalysisNew Jersey. State Data Center2016-01-082016-01-081987-09974.90 P825, 1987http://hdl.handle.net/10929/3886823, 15 p. ; 28 cm. "Technical notes for census tables": 15 p. at end.en-USPopulation - StatisticsPopulationPopulation densityEssex County (N.J.) - Census, 1970Essex County (N.J.) - Census, 1980Essex County (N.J.) - StatisticsNew JerseyState Publication