Zoos and acquariums
There are 217 zoos in the United States. Combined, these zoos employ 32,984 people, earn more than $2 billion in revenue each year, and have assets of $6 billion.
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Job trends for Zoos
| Employees per organization | Number of organizations |
|---|---|
| 0 | 18 |
| 1-10 | 6 |
| 11-25 | 10 |
| 26-100 | 27 |
| 101 to 1,000 | 51 |
| 1,000+ | 6 |
Key takeaways for employment stats:
- Employment in Zoos is driven by large organizations like San Diego Zoo Global, Columbus Zoological Park Association, Omaha's Henry Doorly Zoo and Aquarium's, Chicago Zoological Society, and Toledo Zoological Society.
Sizes of zoos
| Revenues per organization | Number of organizations |
|---|---|
| < $250k | 26 |
| $250k to $1M | 21 |
| $1M to $5M | 27 |
| $5M to $25M | 30 |
| $25M to $100M | 25 |
| $100M+ | 2 |
Key takeaways for revenue stats:
- Large organizations like San Diego Zoo Global, Monterey Bay Aquarium, Georgia Aquarium, Columbus Zoological Park Association, and Houston Zoo earn the majority of revenues among nonprofits in Zoos.
- Organizations with less than $1 million in revenue account for 0.7% of combined nonprofit revenues, whereas organizations in Zoos with more than $100 million account for 21.1% of nonprofit earnings.
Directory of zoos
Search within these nonprofits
- Sort by:
- Popularity
- Revenue
- Employees
- Assets
Lincoln Park Zoological Society
Revenue
$43.4m
Assets
$177.5m
Employees
532
EIN
36-2512404
IRS type
501(c)(3)
Chicago Zoological Society
Revenue
$68.9m
Assets
$209.3m
Employees
1,489
EIN
36-2167016
IRS type
501(c)(3)
San Diego Zoo Global
Revenue
$342.1m
Assets
$682.5m
Employees
3,581
EIN
95-1648219
IRS type
501(c)(3)
Woodland Park Zoo
Revenue
$44.4m
Assets
$34.8m
Employees
618
EIN
91-6070005
IRS type
501(c)(3)
Elmwood Park Zoo
Revenue
$9.5m
Assets
$16.1m
Employees
234
EIN
23-1970067
IRS type
501(c)(3)
Saint Louis Zoo Association
Revenue
$27.3m
Assets
$124.7m
Employees
0
EIN
43-1727309
IRS type
501(c)(3)
Indianapolis Zoological Society
Revenue
$31.1m
Assets
$160.8m
Employees
635
EIN
35-1074747
IRS type
501(c)(3)
Shedd Aquarium
Revenue
$65.3m
Assets
$410.8m
Employees
809
EIN
36-2167918
IRS type
501(c)(3)
Dallas Zoo
Revenue
$27.1m
Assets
$5.1m
Employees
624
EIN
27-0777846
IRS type
501(c)(3)
Zoo Atlanta
Revenue
$19.0m
Assets
$84.4m
Employees
447
EIN
58-1655184
IRS type
501(c)(3)
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Methodology: Cause IQ mines all tax-exempt organizations that file a Form 990 or 990PF with the IRS. We exclude Form 990EZ and Postcard filers, which are high in number but very small in size. We collect and aggregate this information from OCR'd paper taxreturns, XML e-file taxreturns, IRS-provided extract, the Business Master File, and Cause IQ secret sauce for data cleaning, categorization, classification, analytics, etc.
This category corresponds to the "D50: Zoo, Zoological Society" National Taxonomy of Exempt Entities (NTEE) code. Cause IQ determines NTEEs for organizations by its own internally-developed secret-sauce algorithms.