US Distribution of Active Stallions and Mares Bred - 2003
State by Ranking	Mares Bred	Stallions	Avg. Book
Kentucky	19,898	388	51.3
Florida	6,670	261	25.6
California	5,831	404	14.4
Texas	3,251	409	7.9
Louisiana	2,789	236	11.8
New York	2,749	159	17.3
Maryland	1,651	92	17.9
Oklahoma	1,621	224	7.2
New Mexico	1,536	170	9.0
Illinois	1,170	120	9.8
Washington	1,156	102	11.3
West Virginia	1,035	86	12.0
Pennsylvania	1,027	121	8.5
Indiana	865	104	8.3
Ohio	666	110	6.1
Iowa	639	53	12.1
Arkansas	582	68	8.6
Arizona	566	67	8.4
Michigan	528	73	7.2
Colorado	503	87	5.8
Virginia	465	78	6.0
Oregon	435	55	7.9
Nebraska	366	46	8.0
Minnesota	348	39	8.9
New Jersey	329	38	8.7
Idaho	315	59	5.3
Montana	203	46	4.4
Kansas	189	33	5.7
South Carolina	156	27	5.8
South Dakota	129	16	8.1
Alabama	128	26	4.9
Utah	123	34	3.6
Georgia	121	22	5.5
Missouri	120	35	3.4
Tennessee	93	26	3.6
Massachusetts	93	24	3.9
North Dakota	75	17	4.4
North Carolina	74	20	3.7
Mississippi	73	17	4.3
Wisconsin	56	15	3.7
Wyoming	35	15	2.3
Nevada	21	10	2.1
Maine	5	2	2.5
Rhode Island	2	2	1.0
Vermont	2	2	1.0
Alaska	2	1	2.0
Delaware	1	1	1.0
New Hampshire	1	1	1.0
Total	58,693	4,041	14.5
Source: The Jockey Club