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US Distribution of Active Stallions and Mares Bred
For the year: 2022
State by
Ranking
Mares
Bred
Stallions Avg.
Book
Kentucky16,84621279.5
California1,89911716.2
Florida1,5528618.0
New York9964721.2
Louisiana9596913.9

Maryland7442628.6
Indiana5364811.2
Oklahoma512677.6
New Mexico471637.5
Pennsylvania4533413.3

Texas394745.3
West Virginia382399.8
Ohio381517.5
Arkansas318368.8
Arizona141159.4

Washington108195.7
Iowa103812.9
Nebraska99166.2
Illinois97253.9
Oregon69135.3

North Dakota59115.4
Wyoming58193.1
Colorado34132.6
South Carolina2947.3
Michigan2473.4

Montana2483.0
New Jersey2163.5
Utah1972.7
Kansas1844.5
Tennessee1863.0

Minnesota1744.3
Virginia1791.9
Alabama1042.5
Idaho942.3
Georgia632.0

North Carolina522.5
South Dakota531.7
Missouri441.0
Massachusetts111.0
Mississippi111.0

Total27,4391,18523.2

States ranked by number of mares bred. Mares bred to two stallions in the same breeding season are counted twice.

Source: The Jockey Club