Delaware is about 39 times smaller than Nebraska.

Nebraska is approximately 199,099 sq km, while Delaware is approximately 5,060 sq km, making Delaware 2.54% the size of Nebraska. Meanwhile, the population of Nebraska is ~1.8 million people (928,407 fewer people live in Delaware).
Tip: This to-scale comparison of Nebraska vs. Delaware uses the Mercator projection, which distorts the size of regions near the poles.