Idaho is about 1.4 times smaller than Philippines.

Philippines is approximately 300,000 sq km, while Idaho is approximately 214,314 sq km, making Idaho 71.44% the size of Philippines. Meanwhile, the population of Philippines is ~114.6 million people (113.0 million fewer people live in Idaho).
Tip: This to-scale comparison of Philippines vs. Idaho uses the Mercator projection, which distorts the size of regions near the poles.