Long Island is the most populous island and one of the most densely populated regions in the United States. At the
2020 U.S. census, the total population of all four counties of Long Island was 8,063,232, comprising 40% of the population of the State of New York. As of 2020, the proportion of New York City residents (total 8,804,190) living on Long Island had risen to 58.4%, given the 5,141,538 residents living in Brooklyn and Queens. Furthermore, the proportion of New York State's population residing on Long Island has also been increasing, with Long Island's census-estimated population increasing 6.5% since 2010, to 8,063,232 in 2020, representing 40% of New York State's census 2020-enumerated population of 20,215,751 and with a
population density of on Long Island; the island is more populous than most of the 50 U.S. states.