Top 50 Zoos in United States

This curated ranking covers the 50 largest zoos in United States, ordered by estimated audience size from Rascasse's anonymized search-behavior signals. Out of 166 zoos tracked in United States, the 50 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 10,148,775 people. Across all 50 entries the average audience size is 615,771, and the largest, Georgia Aquarium, reaches around 5,011,405 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.

Ranking

Rank	Name	Audience size	Country share	Subtype	Category
1	Georgia Aquarium	5,011,405	35.9%	Zoo	Travel & Leisure
2	Cincinnati Zoo and Botanical Garden	2,595,627	59.4%	Zoo	Travel & Leisure
3	London Zoo	2,541,743	29.0%	Zoo	Travel & Leisure
4	Houston Zoo	2,329,662	98.0%	Zoo	Travel & Leisure
5	San Diego Zoo	1,918,020	71.5%	Zoo	Travel & Leisure
6	Saint Louis Zoo	1,251,878	60.4%	Zoo	Travel & Leisure
7	San Diego Zoo Safari Park	1,189,186	70.9%	Zoo	Travel & Leisure
8	Philadelphia Zoo	726,635	68.8%	Zoo	Travel & Leisure
9	National Zoological Park (United States)	708,325	70.2%	Zoo	Travel & Leisure
10	Prospect Park Zoo	613,000	99.6%	Zoo	Travel & Leisure
11	Bronx Zoo	566,256	70.9%	Zoo	Travel & Leisure
12	Chester Zoo	562,405	15.4%	Zoo	Travel & Leisure
13	Tennessee Aquarium	557,916	99.7%	Zoo	Travel & Leisure
14	Columbus Zoo and Aquarium	525,316	91.0%	Zoo	Travel & Leisure
15	Zoo Miami	519,711	31.9%	Zoo	Travel & Leisure
16	Brookfield Zoo	491,083	77.0%	Zoo	Travel & Leisure
17	Australia Zoo	450,402	30.7%	Zoo	Travel & Leisure
18	Denver Zoo	431,058	76.7%	Zoo	Travel & Leisure
19	Lincoln Park Zoo	391,595	74.3%	Zoo	Travel & Leisure
20	Elephant Nature Park	389,710	30.6%	Zoo	Travel & Leisure
21	Zoo Atlanta	386,236	60.2%	Zoo	Travel & Leisure
22	Waikiki Aquarium	364,340	99.6%	Zoo	Travel & Leisure
23	Fort Worth Zoo	345,885	85.1%	Zoo	Travel & Leisure
24	Henry Doorly Zoo and Aquarium	341,890	79.2%	Zoo	Travel & Leisure
25	Detroit Zoo	338,953	85.1%	Zoo	Travel & Leisure
26	Memphis Zoo	326,483	82.2%	Zoo	Travel & Leisure
27	Dallas Zoo	315,711	79.9%	Zoo	Travel & Leisure
28	Indianapolis Zoo	313,267	93.4%	Zoo	Travel & Leisure
29	Point Defiance Zoo & Aquarium	281,382	69.8%	Zoo	Travel & Leisure
30	Cabrillo Marine Aquarium	266,170	99.8%	Zoo	Travel & Leisure
31	Texas State Aquarium	259,936	99.6%	Zoo	Travel & Leisure
32	Los Angeles Zoo	256,220	80.6%	Zoo	Travel & Leisure
33	Woodland Park Zoo	245,340	67.8%	Zoo	Travel & Leisure
34	Xcaret Park	233,397	21.3%	Zoo	Travel & Leisure
35	Symbio Wildlife Park	197,096	34.1%	Zoo	Travel & Leisure
36	San Antonio Zoo	192,681	98.2%	Zoo	Travel & Leisure
37	Cheyenne Mountain Zoo	189,926	94.9%	Zoo	Travel & Leisure
38	Australian Reptile Park	188,173	24.9%	Zoo	Travel & Leisure
39	African Safari Wildlife Park	187,488	36.8%	Zoo	Travel & Leisure
40	MarineLand	183,800	71.2%	Zoo	Travel & Leisure
41	Pittsburgh Zoo & PPG Aquarium	173,102	99.7%	Zoo	Travel & Leisure
42	Melbourne Zoo	169,191	19.6%	Zoo	Travel & Leisure
43	Toledo Zoo	167,832	99.4%	Zoo	Travel & Leisure
44	The Marine Mammal Center	162,642	97.5%	Zoo	Politics & Society
45	Riverbanks Zoo	159,249	99.0%	Zoo	Travel & Leisure
46	The Maryland Zoo in Baltimore	158,875	99.6%	Zoo	Travel & Leisure
47	Whipsnade Zoo	157,936	32.9%	Zoo	Travel & Leisure
48	Milwaukee County Zoo	153,511	97.4%	Zoo	Travel & Leisure
49	Cleveland Metroparks Zoo	152,066	99.6%	Zoo	Travel & Leisure
50	Audubon Zoo	148,844	91.4%	Zoo	Travel & Leisure