District of Columbia is about 62 times smaller than Jamaica.

Jamaica is approximately 10,991 sq km, while District of Columbia is approximately 177 sq km, making District of Columbia 1.61% the size of Jamaica. Meanwhile, the population of Jamaica is ~2.8 million people (2.2 million fewer people live in District of Columbia).
Tip: This to-scale comparison of Jamaica vs. District of Columbia uses the Mercator projection, which distorts the size of regions near the poles.
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