Top 10 Zoos in the USA Ranked by Year Visitors

The USA has some of the best zoos in the world, with a wide variety of species and incredible habitats for animals to explore. Here are the top 10 zoos in the USA ranked by total visits per year:

1. San Diego Zoo – San Diego, California (over 6 million visitors)
2. Bronx Zoo – New York City, New York (over 2 million visitors)
3. Columbus Zoo and Aquarium – Columbus, Ohio (over 2 million visitors)
4. Cincinnati Zoo & Botanical Garden – Cincinnati, Ohio (over 1.6 million visitors)
5. Woodland Park Zoo – Seattle, Washington (over 1.3 million visitors)
6. Houston Zoo – Houston Texas (over 1.2 million visitors)
7. Lincoln Park Zoo – Chicago, Illinois (over 1.2 million visitors )
8. Riverbanks Zoo and Garden – Columbia, South Carolina (over 1 million visitors)
9. Saint Louis Zoo – St Louis Missouri (just under one million visitors annually)
10. Franklin Park Conservatory & Botanical Gardens – Columbus Ohio (just over 800k annual visits).