New York City 2025 Population. This is an increase of about 224,000 residents over the 2010 mark, or. Population predictions of the 101 largest cities in the 21st century.

New york city is predicted to more than double in size by 2035, up to 20.8 million residents in the new york city urban area. State of new york state and also the most densely populated major city in the united states, the city has over 8.5 million people.