North Dakota is about 1.6 times bigger than Louisiana.

Louisiana is approximately 112,825 sq km, while North Dakota is approximately 178,647 sq km, making North Dakota 58% larger than Louisiana. Meanwhile, the population of Louisiana is ~4.5 million people (3.9 million fewer people live in North Dakota).
Tip: This to-scale comparison of Louisiana vs. North Dakota 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.