Minnesota is about 264 times bigger than New York City.

New York City (including all five boroughs: Manhattan, Brooklyn, Queens, The Bronx, and Staten Island) is approximately 781 sq km, while Minnesota is approximately 206,189 sq km, making Minnesota 26,301% larger than New York City.
Tip: This to-scale comparison of New York City vs. Minnesota uses the Mercator projection, which distorts the size of regions near the poles.