| US DISTRIBUTION OF ACTIVE STALLIONS AND MARES BRED | Go Back | |
| 2023 | 2024 | 2025 | 2024 - 2025 | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| State by 2025 Ranking |
Mares Bred |
Stallions | Avg. Book |
Mares Bred |
Stallions | Avg. Book |
Mares Bred |
Stallions | Avg. Book |
% Change Mares |
% Change Stallions |
| Kentucky | 17,064 | 212 | 80.5 | 16,693 | 209 | 79.9 | 16,484 | 203 | 81.2 | -1.3 | -2.9 |
| California | 1,678 | 110 | 15.3 | 1,512 | 82 | 18.4 | 1,307 | 81 | 16.1 | -13.6 | -1.2 |
| New York | 1,099 | 40 | 27.5 | 1,209 | 35 | 34.5 | 1,154 | 32 | 36.1 | -4.5 | -8.6 |
| Florida | 1,485 | 77 | 19.3 | 1,344 | 70 | 19.2 | 1,094 | 51 | 21.5 | -18.6 | -27.1 |
| Louisiana | 913 | 70 | 13.0 | 951 | 67 | 14.2 | 1,022 | 61 | 16.8 | +7.5 | -9.0 |
| Maryland | 572 | 28 | 20.4 | 499 | 24 | 20.8 | 443 | 16 | 27.7 | -11.2 | -33.3 |
| Pennsylvania | 407 | 28 | 14.5 | 442 | 36 | 12.3 | 396 | 30 | 13.2 | -10.4 | -16.7 |
| New Mexico | 489 | 62 | 7.9 | 469 | 58 | 8.1 | 383 | 50 | 7.7 | -18.3 | -13.8 |
| Indiana | 425 | 44 | 9.7 | 394 | 41 | 9.6 | 338 | 34 | 9.9 | -14.2 | -17.1 |
| Oklahoma | 428 | 57 | 7.5 | 387 | 48 | 8.1 | 328 | 41 | 8.0 | -15.2 | -14.6 |
| Arkansas | 306 | 35 | 8.7 | 308 | 35 | 8.8 | 294 | 26 | 11.3 | -4.5 | -25.7 |
| West Virginia | 402 | 38 | 10.6 | 341 | 35 | 9.7 | 274 | 27 | 10.1 | -19.6 | -22.9 |
| Ohio | 312 | 46 | 6.8 | 296 | 44 | 6.7 | 244 | 43 | 5.7 | -17.6 | -2.3 |
| Texas | 426 | 69 | 6.2 | 279 | 39 | 7.2 | 230 | 34 | 6.8 | -17.6 | -12.8 |
| Wyoming | 53 | 17 | 3.1 | 56 | 17 | 3.3 | 103 | 21 | 4.9 | +83.9 | +23.5 |
| Arizona | 126 | 12 | 10.5 | 100 | 15 | 6.7 | 92 | 13 | 7.1 | -8.0 | -13.3 |
| Nebraska | 91 | 15 | 6.1 | 135 | 16 | 8.4 | 90 | 14 | 6.4 | -33.3 | -12.5 |
| Illinois | 82 | 18 | 4.6 | 80 | 16 | 5.0 | 77 | 18 | 4.3 | -3.8 | +12.5 |
| Washington | 102 | 15 | 6.8 | 103 | 17 | 6.1 | 77 | 12 | 6.4 | -25.2 | -29.4 |
| Virginia | 24 | 7 | 3.4 | 45 | 13 | 3.5 | 53 | 9 | 5.9 | +17.8 | -30.8 |
| New Jersey | 33 | 7 | 4.7 | 46 | 7 | 6.6 | 39 | 3 | 13.0 | -15.2 | -57.1 |
| Oregon | 79 | 13 | 6.1 | 77 | 13 | 5.9 | 39 | 8 | 4.9 | -49.4 | -38.5 |
| Iowa | 87 | 10 | 8.7 | 49 | 8 | 6.1 | 33 | 5 | 6.6 | -32.7 | -37.5 |
| North Dakota | 68 | 10 | 6.8 | 54 | 11 | 4.9 | 33 | 8 | 4.1 | -38.9 | -27.3 |
| Massachusetts | 2 | 1 | 2.0 | 8 | 2 | 4.0 | 25 | 2 | 12.5 | +212.5 | 0.0 |
| Michigan | 23 | 6 | 3.8 | 18 | 6 | 3.0 | 20 | 7 | 2.9 | +11.1 | +16.7 |
| Colorado | 29 | 15 | 1.9 | 21 | 12 | 1.8 | 19 | 11 | 1.7 | -9.5 | -8.3 |
| Minnesota | 35 | 3 | 11.7 | 18 | 2 | 9.0 | 19 | 2 | 9.5 | +5.6 | 0.0 |
| Utah | 14 | 5 | 2.8 | 25 | 7 | 3.6 | 11 | 4 | 2.8 | -56.0 | -42.9 |
| Kansas | 6 | 3 | 2.0 | 8 | 2 | 4.0 | 9 | 2 | 4.5 | +12.5 | 0.0 |
| South Dakota | 5 | 2 | 2.5 | 3 | 1 | 3.0 | 9 | 2 | 4.5 | +200.0 | +100.0 |
| Alabama | 17 | 7 | 2.4 | 12 | 6 | 2.0 | 8 | 4 | 2.0 | -33.3 | -33.3 |
| Idaho | 7 | 2 | 3.5 | 7 | 3 | 2.3 | 7 | 3 | 2.3 | 0.0 | 0.0 |
| Missouri | 3 | 3 | 1.0 | 11 | 5 | 2.2 | 6 | 2 | 3.0 | -45.5 | -60.0 |
| Tennessee | 16 | 7 | 2.3 | 23 | 7 | 3.3 | 6 | 2 | 3.0 | -73.9 | -71.4 |
| North Carolina | - | - | - | 1 | 1 | 1.0 | 3 | 2 | 1.5 | +200.0 | +100.0 |
| South Carolina | 31 | 2 | 15.5 | 4 | 2 | 2.0 | 2 | 2 | 1.0 | -50.0 | 0.0 |
| Mississippi | 2 | 1 | 2.0 | 1 | 1 | 1.0 | 1 | 1 | 1.0 | 0.0 | 0.0 |
| Montana | 19 | 6 | 3.2 | 8 | 4 | 2.0 | 1 | 1 | 1.0 | -87.5 | -75.0 |
| Wisconsin | 1 | 1 | 1.0 | - | - | - | 1 | 1 | 1.0 | - | - |
| Alaska | - | - | - | - | - | - | - | - | - | - | - |
| Connecticut | - | - | - | - | - | - | - | - | - | - | - |
| Delaware | - | - | - | - | - | - | - | - | - | - | - |
| Georgia | 1 | 1 | 1.0 | 3 | 3 | 1.0 | - | - | - | -100.0 | -100.0 |
| Hawaii | - | - | - | - | - | - | - | - | - | - | - |
| Maine | - | - | - | - | - | - | - | - | - | - | - |
| Nevada | 1 | 1 | 1.0 | 1 | 1 | 1.0 | - | - | - | -100.0 | -100.0 |
| New Hampshire | - | - | - | - | - | - | - | - | - | - | - |
| Rhode Island | - | - | - | - | - | - | - | - | - | - | - |
| Vermont | - | - | - | - | - | - | - | - | - | - | - |
| TOTALS | 26,963 | 1,106 | 24.4 | 26,041 | 1,021 | 25.5 | 24,774 | 888 | 27.9 | -4.9 | -13.0 |
States ranked by number of mares bred. Mares bred to two stallions in the same breeding season are counted twice. Source: The Jockey Club Last updated: Thursday, October 1, 2026 | |||||||||||