Table 2.

Density of Advanced Practice Psychiatric Nurses per 100,000 State Population

State	N	Density
Alabama	76	1.69
Alaska	64	9.67
Arizona	175	3.05
Arkansas	38	1.39
Californiaa	345	0.97
Colorado	157	3.41
Connecticut	457	13.13
Delaware	28	3.38
District of Columbia	26	4.49
Florida	366	2.11
Georgia	229	2.57
Hawaii	53	4.23
Idaho	26	1.87
Illinois	201	1.59
Indiana	125	2.01
Iowa	85	2.89
Kansas	115	4.21
Kentucky	163	3.94
Louisiana	53	1.18
Maine	269	20.55
Maryland	429	7.75
Massachusetts	921	14.32
Michigan	211	2.09
Minnesota	268	5.27
Mississippi	165	5.72
Missouri	93	1.62
Montana	31	3.35
Nebraska	74	4.24
Nevada	15	0.64
New Hampshire	145	11.20
New Jersey	360	4.17
New Mexico	99	5.23
New York	745	3.87
North Carolina	212	2.48
North Dakota	33	5.18
Ohio	338	2.95
Oklahoma	32	0.91
Oregon	122	3.40
Pennsylvania	432	3.50
Rhode Island	131	12.21
South Carolina	107	2.55
South Dakota	21	2.71
Tennessee	279	4.72
Texas	332	1.48
Utah	104	4.28
Vermont	59	9.53
Virginia	338	4.53
Washington	479	7.74
West Virginia	28	1.55
Wisconsin	112	2.03
Wyoming	14	2.78
Total	9,780

Source: American Nurses Credentialing Center (2008); U.S. Census, 2006.

^aCalifornia does not require national board certification which explains the low density.