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There is between 7500000-8000000 people on long island all together upstate and the city of new york is 19.4 milion

Long Island consists of Nassau County and Suffolk County.

The population of Nassau County = 1.3MM

The Population of Suffolk County = 1.4MM

Total Population of Long Island - 2.7MM or 2,700,000 or two million and seven hundred thousand.

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Idell Dietrich

Lvl 13
3y ago

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