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Top 100 Zoos in United States

This curated ranking covers the 100 largest zoos in United States, ordered by estimated audience size from Rascasse's anonymized search-behavior signals. Out of 162 zoos tracked in United States, the 100 ranked here account for the largest measured audience reach. Georgia Aquarium, Cincinnati Zoo and Botanical Garden and London Zoo lead the list with a combined estimated audience of 10M people. Across all 100 entries the average audience size is 347k, and the largest, Georgia Aquarium, reaches around 5M people in United States. Audience size is the estimated number of unique people in United States who actively engage with each zoo, derived from search demand signals. Rankings reflect search-behavior signals collected across United States and are refreshed weekly.

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How to read this list

Rank

Position in the Top 100, sorted by audience size from largest to smallest. Updated weekly.

Audience size

Estimated number of unique people in United States who actively engage with this audience, derived from anonymized search-behavior signals.

Country share

Share of the global audience that is active in United States. A higher value means the audience is more locally concentrated here.

Avg age

Average age in years across the people who engage with this audience in United States, derived from anonymized search-behavior signals. A dash means demographic data is not yet available.

Female share

Share of women among the people who engage with this audience in United States. 50% is gender-balanced; values above mean female-skewed, below mean male-skewed.

Ranking

Rank Audience Audience size Avg age Female share Subtype
1 Georgia Aquarium 5M 43.8 46.4% Zoo
2 Cincinnati Zoo and Botanical Garden 2.6M 41.1 70.1% Zoo
3 London Zoo 2.5M 39.9 61.7% Zoo
4 Houston Zoo 2.3M 41.9 58.8% Zoo
5 San Diego Zoo 1.9M 43.8 63.3% Zoo
6 Saint Louis Zoo 1.3M 41.6 63.0% Zoo
7 San Diego Zoo Safari Park 1.2M 44.2 65.7% Zoo
8 Philadelphia Zoo 727k 42.6 64.6% Zoo
9 National Zoological Park (United States) 708k 43.4 68.8% Zoo
10 Prospect Park Zoo 613k — — Zoo
11 Bronx Zoo 566k 42.5 64.3% Zoo
12 Tennessee Aquarium 564k 37.1 75.0% Zoo
13 Chester Zoo 562k 34.2 55.3% Zoo
14 Columbus Zoo and Aquarium 525k 41.6 72.3% Zoo
15 Zoo Miami 520k 33.4 53.8% Zoo
16 Brookfield Zoo 491k 41.7 69.3% Zoo
17 Australia Zoo 450k 36.0 63.3% Zoo
18 Denver Zoo 431k 41.3 72.3% Zoo
19 Lincoln Park Zoo 392k 41.2 69.5% Zoo
20 Elephant Nature Park 390k 46.8 65.8% Zoo
21 Zoo Atlanta 386k 43.9 64.8% Zoo
22 Waikiki Aquarium 364k — — Zoo
23 Fort Worth Zoo 346k 42.3 66.6% Zoo
24 Henry Doorly Zoo and Aquarium 342k 38.1 76.2% Zoo
25 Detroit Zoo 339k 41.9 74.4% Zoo

Want the full picture for any of these audiences?

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Frequently asked questions

How is this Top 100 list compiled?

Rascasse aggregates anonymized search-behavior signals across United States and ranks each zoo by its estimated audience size. Only entries with at least 5 measured entities are listed.

How often is the list updated?

The ranking is refreshed weekly from the latest search-behavior data and re-published as a static page.

What is the largest zoo in United States?

Georgia Aquarium currently leads with an estimated audience of 5M people in United States.

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