New Mexico is about 2.2 times bigger than Iowa.

Iowa is approximately 144,701 sq km, while New Mexico is approximately 314,310 sq km, making New Mexico 117% larger than Iowa. Meanwhile, the population of Iowa is ~3.2 million people (1.1 million fewer people live in New Mexico).
Tip: This to-scale comparison of Iowa vs. New Mexico uses the Mercator projection, which distorts the size of regions near the poles.
Our free app, MapSize by MyLifeElsewhere — compare any two places, to scale on your mobile device.