This post is a list of the major Hawaiian islands. There are 8 islands listed below by area. I have also provided the population for each island as of 2010. Data source: Wikipedia
1. Hawaii (island)
Photo source: Wikimedia Commons, Earth Sciences and Image Analysis, NASA
Area: 4,028 sq mi
Population: 185 thousand
2. Maui (larger island below next to Kahoolawe)
Photo source: Wikimedia Commons, Eduar3 48
License: CC BY-SA 3.0
Area: 727 sq mi
Population: 144 thousand
3. Oahu
Photo source: Wikimedia Commons, NASA Earth Observatory
License: CC BY 2.0
Area: 596 sq mi
Population: 953 thousand
4. Kauai (larger island on the right next to Niihau)
Photo source: Wikimedia Commons, NASA
Area: 552 sq mi
Population: 66 thousand
5. Molokai
Photo source: Wikimedia Commons, Earth Sciences and Image Analysis, NASA
Area: 260 sq mi
Population: 7 thousand
6. Lanai
7. Niihau
Photo source: Wikimedia Commons, Earth Sciences and Image Analysis, NASA
Area: 69 sq mi
Population: 170
8. Kahoolawe
All 8 major islands
Photo source: Wikimedia Commons, terraprints.com
License: CC BY 2.5
Islands left to right: Niihau, Kauai, Oahu, Molokai, Lanai, Kahoolawe, Maui, Hawaii