Delaware is about 35 times smaller than North Dakota.

North Dakota is approximately 178,647 sq km, while Delaware is approximately 5,060 sq km, making Delaware 2.83% the size of North Dakota. Meanwhile, the population of North Dakota is ~672,591 people (225,343 more people live in Delaware).
Tip: This to-scale comparison of North Dakota vs. Delaware uses the Mercator projection, which distorts the size of regions near the poles.