| 1st of 9 | Nigerian Dwarf | 6.4% | Penn State Extension, Dairy Goat Production (Table 2, 2019 DHIR data) (university extension) |
| 2nd of 9 | Nubian (Anglo-Nubian) | 4.9% | Penn State Extension, Dairy Goat Production (Table 2, 2019 DHIR data) (university extension) |
| joint 3rd of 9 | Golden Guernsey | 3.7% | ADGA breed description document (GGBoA breed recognition proposal, quoting BGS recording data; archived, live page now members-only) (breed registry / association) |
| joint 3rd of 9 | LaMancha | 3.7% | Penn State Extension, Dairy Goat Production (Table 2, 2019 DHIR data) (university extension) |
| joint 3rd of 9 | Oberhasli | 3.7% | Penn State Extension, Dairy Goat Production (Table 2, 2019 DHIR data) (university extension) |
| joint 6th of 9 | Alpine | 3.3% | Penn State Extension, Dairy Goat Production (Table 2, 2019 DHIR data) (university extension) |
| joint 6th of 9 | Saanen | 3.3% | Penn State Extension, Dairy Goat Production (Table 2, 2019 DHIR data) (university extension) |
| joint 6th of 9 | Sable | 3.3% | Penn State Extension, Dairy Goat Production (Table 2, 2019 DHIR data) (university extension) |
| 9th of 9 | Toggenburg | 3.1% | Penn State Extension, Dairy Goat Production (Table 2, 2019 DHIR data) (university extension) |