1. Wyoming — 580,175

2. Vermont — 648,279

3. Alaska — 740,339

4. North Dakota — 811,044

5. South Dakota — 908,414

6. Delaware — 1,017,551

7. Rhode Island — 1,110,822

8. Montana — 1,112,668

9. Maine — 1,372,559

10. New Hampshire — 1,395,647