Greenland is about 7 times bigger than New Mexico.

New Mexico is approximately 314,310 sq km, while Greenland is approximately 2,166,086 sq km, making Greenland 589% larger than New Mexico. Meanwhile, the population of New Mexico is ~2.1 million people (2.0 million fewer people live in Greenland).
Tip: This to-scale comparison of New Mexico vs. Greenland uses the Mercator projection, which distorts the size of regions near the poles.