- Kodiak Island is the second largest island in the United States, after the Big Island of Hawaii.
- It is the largest island in the Gulf of Alaska and the largest island in the Kodiak Archipelago.
- Kodiak Island is about 100 miles (160 km) long and 60 miles (97 km) wide, with a total area of 3,588 square miles (9,293 km2).
- Kodiak Island is roughly the same size as the state of Connecticut.
- It is larger than the combined areas of Rhode Island and Delaware.