@Neil chace ask and you shall receive.
One small correction to
@snowleopard's list. While doing this list I remember that Cincinnati no longer has pinnipeds. The lone California Sea Lion they did have died a few years ago and that exhibit has since been demolished.
Zoos:
Audubon - California Sea Lion
Birmingham - California Sea Lion
Bronx - California Sea Lion
Brookfield - California Sea Lion, Harbor Seal, Grey Seal
Central Park - California Sea Lion
Cleveland - California Sea Lion, Harbor Seal
Columbus - California Sea Lion, Harbor Seal
Como Park - California Sea Lion, Harbor Seal
Denver - California Sea Lion, Harbor Seal
Fort Wayne - California Sea Lion
Fresno Chaffee - California Sea Lion, Harbor Seal
Henry Vilas - Harbor Seal
Houston - California Sea Lion
Indianapolis - California Sea Lion, Grey Seal, Pacific Walrus
Kansas City - California Sea Lion
Lincoln Park - Gray Seal, Harbor Seal
Los Angeles - California Sea Lion, Harbor Seal
Louisville - California Sea Lion, Harbor Seal, Grey Seal
Memphis - California Sea Lion
Milwaukee County - California Seal Lion, Harbor Seal
Minnesota - Hawaiian Monk Seal
North Carolina - California Sea Lion, Harbor Seal
Oklahoma City - California Sea Lion, Harbor Seal
Omaha - California Sea Lion, Harbor Seal
Oregon - Steller's Sea Lion, Harbor Seal
Pittsburgh - California Sea Lion, Northern Elephant Seal
Point Defiance - California Sea Lion, Harbor Seal, Pacific Walrus
Riverbanks - California Sea Lion, Harbor Seal
Roger Williams Park - Harbor Seal
Saint Louis - California Sea Lion, Harbor Seal
Smithsonian’s National Zoo - California Sea Lion, Harbor Seal, Grey Seal
Toledo - Harbor Seal, Grey Seal
Tulsa - California Sea Lion
Hogle - California Sea Lion, Harbor Seal
Wildlife World - California Sea Lion
Aquariums:
Aquarium of the Pacific - California Sea Lion, Harbor Seal
Georgia Aquarium - California Sea Lion, Harbor Seal
Moody Gardens - California Sea Lion, Harbor Seal, Northern Fur Seal
Mystic Aquarium - Stellers Sea Lion, Harbor Seal, Northern Fur Seal, Spotted Seal
New England Aquarium - California Sea Lion, Harbor Seal, Northern Fur Seal
New York Aquarium - California Sea Lion, Harbor Seal, Northern Fur Seal
Oregon Coast Aquarium - California Sea Lion, Harbor Seal
Seattle Aquarium - Harbor Seal, Northern Fur Seal
SeaWorld Orlando - California Sea Lion, Harbor Seal, Pacific Walrus
SeaWorld San Antonio - California Sea Lion, Harbor Seal
SeaWorld San Diego - California Sea Lion, Harbor Seal, Ringed Seal, Guadalupe Fur Seal
Shedd Aquarium - California Sea Lion
Totals:
California Sea Lion Holders:
38
Harbor Seal Holders:
33
HUGE GAP
Grey Seal Holders:
5
Northern Fur Seal Holders:
5
Pacific Walrus Holders
: 4
Steller's Sea Lion Holders:
2
Spotted Seal Holders:
1
Guadalupe Fur Seal Holders:
1
Hawaiian Monk Seal Holders:
1
Ringed Seal Holders:
1
Northern Elephant Seal Holders:
1
14 of these facilities keep only one species: Audubon, Birmingham, Bronx, Central Park, Fort Wayne, Henry Vilas, Houston, Kansas City, Memphis, Minnesota, Roger Williams Park, Tulsa, Wildlife World and Shedd Aquarium - the latter being the only aquarium with just one species.
22 of these facilities keep two species: Cleveland, Columbus, Como Park, Denver, Fresno, Lincoln Park, Los Angeles, Milwaukee, North Carolina, Oklahoma City, Omaha, Oregon, Pittsburgh, Riverbanks, Saint Louis, Toledo, Hogle, Aquarium of the Pacific, Georgia Aquarium, Oregon Coast Aquarium, Seattle Aquarium and SeaWorld San Antonio.
9 of these facilities keep three species: Brookfield, Indianapolis, Louisville, Point Defiance, Smithsonian, Moody Gardens, New England Aquarium, New York Aquarium and SeaWorld Orlando.
2 of these facilities keep four species: Mystic Aquarium and SeaWorld San Diego.
Keep in mind all of these numbers only come from the zoos featured in "America's top 100 Zoos and Aquariums." There are of course a ton of other pinnipeds in rescue centers and smaller facilities not featured in the book. The disparity between the numbers of holders between species is vast. California sea lions and harbor seals dominate while the other species have almost no representation in these zoos. In the future I would love to see some more support from the AZA for programs for rarer and endeared pinnipeds in favor of the much better off and more common California sea lion and harbor seal.
EDIT - Posted at the exact same time as
@Coelacanth18. I see we have a few minor number differences but only by one or two placements. This seems to help confirm my list as accurate.