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  4. Zoos

Zoos and acquariums

There are 220zoos in the United States. Combined, these zoosemploy 32,129 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 organizationNumber of organizations
0
14
1-10
3
11-25
7
26-100
26
101 to 1,000
60
1,000+
4
Key takeaways for employment stats:

Sizes of zoos

Revenues per organizationNumber of organizations
< $250k
22
$250k to $1M
19
$1M to $5M
25
$5M to $25M
35
$25M to $100M
23
$100M+
3
Key takeaways for revenue stats:

Directory of zoos

Search within these nonprofits
1-10 of 220

Conservation Society of California

The Oakland Zoo has been serving the community since 1922 in locations all across Oakland, finally settling in Knowland Park.
Revenue
$23.7m
Assets
$96.1m
Employees
364
EIN
94-1687847
IRS type
501(c)(3)

Lincoln Park Zoological Society

The Lincoln Park Zoological Society is created and organized, and shall be operated, exclusively for charitable, scientific, and educational purposes. The special purpose for which the Society is created and organized is to aid in the improvement, maint...
Revenue
$51.4m
Assets
$178.0m
Employees
549
EIN
36-2512404
IRS type
501(c)(3)

Commonwealth Zoological Corporation (CZC)

Zoo New England's mission is to inspire people to protect and sustain the natural world for future generations by creating fun and engaging experiences that integrate wildlife and conservation programs, research, and education.
Revenue
$27.4m
Assets
$41.3m
Employees
350
EIN
04-3129124
IRS type
501(c)(3)

Chicago Zoological Society

The mission of the Chicago Zoological Society is to inspire conservation leadership by connecting people with wildlife and nature. They had an international reputation for taking a cutting-edge role in animal care and conservation of the natural world.
Revenue
$59.8m
Assets
$212.1m
Employees
1,016
EIN
36-2167016
IRS type
501(c)(3)

San Diego Zoo Wildlife Alliance

San Diego Zoo global is committed to saving species worldwide by uniting our expertise in animal care and conservation science with our dedication to inspiring passion for nature. Saving species worldwide by uniting our expertise in animal care and conser...
Revenue
$246.9m
Assets
$827.2m
Employees
3,603
EIN
95-1648219
IRS type
501(c)(3)

Woodland Park Zoo

Woodland Park Zoo saves animals and their habitats through conservation leadership and engaging experiences, inspiring people to learn, care and act.
Revenue
$45.9m
Assets
$44.8m
Employees
690
EIN
91-6070005
IRS type
501(c)(3)

Dallas Zoo

Dallas Zoo is home to more than 2,000 animals, and is thriving with new exhibits such as the Giants of the Savanna, Wonders of the Wild, presented by the Kimberly-Clark Corporation.
Revenue
$29.6m
Assets
$5.0m
Employees
658
EIN
27-0777846
IRS type
501(c)(3)

Shedd Aquarium

Shedd Aquarium is an indoor public aquarium in Chicago, Illinois in the United States. The aquarium contains 32,000 animals and was for some time the largest indoor aquarium in the world with 5,000,000 US gallons of water.
Revenue
$48.3m
Assets
$474.6m
Employees
507
EIN
36-2167918
IRS type
501(c)(3)

Saint Louis Zoo Association

Saint Louis Zoo Association is a private nonprofit organization who works with the Zoo to provide leadership for fundraising, and they support conservation education, programming, facilities, government relations and special events.
Revenue
$28.7m
Assets
$119.3m
Employees
110
EIN
43-1727309
IRS type
501(c)(3)

Indianapolis Zoological

The Indianapolis Zoological Society will empower people and communities, both locally and globally, to advance animal conservation. The Indianapolis Zoological Society will empower people and communities, both locally and globally, to advance animal conve...
Revenue
$23.7m
Assets
$177.3m
Employees
655
EIN
35-1074747
IRS type
501(c)(3)
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Methodology: Cause IQ mines all tax-exempt organizations that file a Form 990, Form 990-EZ, or Form 990-PF with the IRS. 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.
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