The Kaiser Family Foundation analyzed data from the 1999-2017 American Hospital Association Annual Survey.
Here are ER visit per 1,000 population in all 50 states and the District of Columbia in 2017 (the most recent data available):
Note: The list includes ties and results in a numerical listing of 45.
1. District of Columbia: 698
2. West Virginia: 648
3. Louisiana: 618
4. Ohio: 611
5. Mississippi: 604
6. Kentucky: 580
7. Alaska: 551
8. North Dakota: 538
9. Tennessee: 519
10. Indiana: 514
Pennsylvania: 514
Vermont: 514
11. South Carolina: 513
12. Michigan: 511
13. Missouri: 504
14. New Hampshire: 498
15. Arkansas: 496
16. Oklahoma: 492
17. Maine: 486
18. Massachusetts: 485
19. Connecticut: 480
Montana: 480
20. Alabama: 479
21. New Mexico: 475
22. North Carolina: 473
23. Delaware: 467
24. Georgia: 455
25. Illinois: 448
26. Florida: 438
Wyoming: 438
25. Iowa: 436
26. New York: 433
27. New Jersey: 431
28. Wisconsin: 429
29. Virginia: 423
30. Texas: 422
31. Nebraska: 420
32. Kansas: 418
33. Washington: 398
34. Idaho: 394
35. Maryland: 392
36. Rhode Island: 390
37. Oregon: 378
38. South Dakota: 375
39. Minnesota: 372
40. Utah: 358
41. Colorado: 355
42. California: 341
43. Nevada: 323
44. Arizona: 319
45. Hawaii: 317
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