New Jersey State Facts Part IV
76. New Jersey has the highest population density in the U.S., over 13 times the national average. 77. New Jersey has the highest percent urban population in the U.S., with about 90% of its residents living in an urban area. 78. New Jersey is the only state where all its counties are classified as metropolitan areas. 79. New Jersey has the densest system of highways and railroads in the U.S.…