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Data & Special projects

Percentage of the population.

County population estimates by race, ethnicity Long Island's Hispanic population grew by 18 percent between July 2010 and July 2017, according to new Census estimates, rising from 14.7 percent of the Nassau population to 16.8 percent, and from 16.6 percent of the Suffolk population to 19 percent during that period. Read more

LI public companies by sector.

Long Island’s Top public companies Long Island's Top 50 publicly traded companies collectively made $34.2 billion in sales in 2017 and saw profits of $2.4 billion, according to data collected from the Securities and Exchange Commission. Read more