US Distribution of Active Stallions and Mares Bred - 2006
State by Ranking	Mares Bred	Stallions	Avg. Book
Kentucky	21,145	384	55.1
Florida	7,072	260	27.2
California	4,913	341	14.4
Louisiana	3,995	301	13.3
Texas	2,690	353	7.6
New York	2,310	124	18.6
New Mexico	2,050	196	10.5
Maryland	1,634	71	23.0
Oklahoma	1,618	219	7.4
West Virginia	1,168	85	13.7
Pennsylvania	1,159	122	9.5
Washington	1,047	92	11.4
Illinois	997	109	9.1
Arizona	582	69	8.4
Arkansas	553	64	8.6
Michigan	549	63	8.7
Indiana	481	86	5.6
Oregon	455	54	8.4
New Jersey	452	34	13.3
Ohio	446	82	5.4
Iowa	431	43	10.0
Minnesota	372	39	9.5
Nebraska	363	38	9.6
Colorado	352	54	6.5
Utah	279	38	7.3
Idaho	262	44	6.0
Virginia	238	70	3.4
Montana	166	38	4.4
North Dakota	146	20	7.3
Kansas	143	26	5.5
South Carolina	130	22	5.9
South Dakota	128	15	8.5
Alabama	127	25	5.1
Tennessee	109	27	4.0
Georgia	80	17	4.7
Missouri	67	18	3.7
North Carolina	67	17	3.9
Mississippi	48	12	4.0
Wisconsin	34	10	3.4
Massachusetts	29	9	3.2
Wyoming	20	8	2.5
Nevada	13	6	2.2
Connecticut	6	3	2.0
Vermont	3	2	1.5
Rhode Island	2	1	2.0
Delaware	2	1	2.0
Total	58,933	3,712	15.9
Source: The Jockey Club