District of Columbia is about 2,017 times smaller than Germany.

Germany is approximately 357,022 sq km, while District of Columbia is approximately 177 sq km, making District of Columbia 0.05% the size of Germany. Meanwhile, the population of Germany is ~84.3 million people (83.7 million fewer people live in District of Columbia).
Tip: This to-scale comparison of Germany vs. District of Columbia uses the Mercator projection, which distorts the size of regions near the poles.