1. California - 39.5 million
2. Texas - 29.5 million
3. Florida - 22.2 million
4. New York - 19.5 million
5. Pennsylvania - 12.9 million
6. Illinois - 12.8 million
7. Ohio - 11.7 million
8. Georgia - 10.7 million
9. North Carolina - 10.5 million
10. Michigan - 10.0 million
11. New Jersey - 9.3 million
12. Virginia - 8.7 million
13. Washington - 7.8 million
14. Arizona - 7.5 million
15. Massachusetts - 7.0 million
16. Tennessee - 6.9 million
17. Indiana - 6.8 million
18. Maryland - 6.2 million
19. Missouri - 6.2 million
20. Wisconsin - 5.9 million
21. Colorado - 5.8 million
22. Minnesota - 5.7 million
23. South Carolina - 5.2 million
24. Alabama - 4.9 million
25. Louisiana - 4.6 million
26. Kentucky - 4.5 million
27. Oregon - 4.3 million
28. Oklahoma - 4.0 million
29. Connecticut - 3.6 million
30. Utah - 3.4 million
31. Iowa - 3.2 million
32. Nevada - 3.2 million
33. Arkansas - 3.0 million
34. Mississippi - 2.9 million
35. Kansas - 2.9 million
36. New Mexico - 2.1 million
37. Nebraska - 1.9 million
38. West Virginia - 1.8 million
39. Idaho - 1.8 million
40. Hawaii - 1.4 million
41. Maine - 1.3 million
42. New Hampshire - 1.3 million
43. Rhode Island - 1.1 million
44. Montana - 1.1 million
45. Delaware - 985,000
46. South Dakota - 895,000
47. North Dakota - 780,000
48. Alaska - 744,000
49. Vermont - 645,000
50. Wyoming - 579,000
Please note that these population figures are estimates and may change over time.