Long Island is a densely populated continental island in southeastern New York state, extending into the Atlantic Ocean. It constitutes a significant share of the New York metropolitan area in both population and land area.

As of 2023, Long Island has an estimated population of 8.063 million, comprising over one-third of New York State’s entire population. It is the most populated island in any U.S. territory or state and the 17th most populous island in the world, beating Ireland and Jamaica.

Jun 6, 2017 · About 7.56 million people lived on Long Island in 2010. Of these, about 2.50 million are in Kings County, 2.23 million in Queens County, 1.34 million in Nassau County, and 1.49 million in Suffolk County.

The Long Island Index launched a set of interactive maps that enables Long Islanders to easily access an extraordinary array of data about our region and its communities. The map provides a wealth of information about the region, its characteristics, and key indicators – as well as its individual communities and their attributes.

The charts below feature demographic information for Nassau County, Suffolk County and New York State, demonstrating population statistics, ethnic and racial composition, housing and income...

The maps show population characteristics by Census tract across Long Island in 1970, 1980, 1990, 2000 and 20101. By comparing the decades, we get a closer look at how we arrived at Long Island’s current population distribution by age, …

Demographics Map Dive into population data about Long Island’s communities across the region. Learn each area’s population, diversity, income, age, household types, public transportation characteristics and more.

Dec 10, 2008 · You can create a map showing the intersection of key Long Island downtowns with bus and train routes. Want to know which communities have the highest proportion of rental properties? Create a map showing income attributes of …

The Long Island Index has mapped almost 40 demographic characteristics for all 600 Census tracts to show how Long Island has changed since 1970. The changes portrayed by the maps are described in a Jan. 2015 report by the Regional Plan Association [PDF].

The Long Island Index asked CUR to create the LI Historical Census Atlas to show population patterns by Census tract for close to 40 variables - including race/ethnicity, age, household composition, education, income, poverty, and employment.