Philippines is about 1.4 times bigger than Idaho.

Idaho is approximately 214,314 sq km, while Philippines is approximately 300,000 sq km, making Philippines 40% larger than Idaho. Meanwhile, the population of Idaho is ~1.6 million people (113.0 million more people live in Philippines).
Tip: This to-scale comparison of Idaho vs. Philippines uses the Mercator projection, which distorts the size of regions near the poles.