Hong Kong is about 284 times smaller than New Mexico.

New Mexico is approximately 314,310 sq km, while Hong Kong is approximately 1,108 sq km, making Hong Kong 0.35% the size of New Mexico. Meanwhile, the population of New Mexico is ~2.1 million people (5.2 million more people live in Hong Kong).
Tip: This to-scale comparison of New Mexico vs. Hong Kong uses the Mercator projection, which distorts the size of regions near the poles.