Hong Kong is about 193 times smaller than Idaho.

Idaho is approximately 214,314 sq km, while Hong Kong is approximately 1,108 sq km, making Hong Kong 0.52% the size of Idaho. Meanwhile, the population of Idaho is ~1.6 million people (5.7 million more people live in Hong Kong).
Tip: This to-scale comparison of Idaho vs. Hong Kong uses the Mercator projection, which distorts the size of regions near the poles.