Zoological Society of Cincinnati
Creating adventure, conveying knowledge, conserving nature, serving community.
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Learn more about the Cincinnati Zoo, internationally known for its success in the protection and propagation of endangered animals and plants.
Verified certifications
Confirmed against the issuing authority - not self-reported.
Mission
Creating adventure, conveying knowledge, conserving nature, serving community.
Focus areas & reach
· What they work on and whereHow it stacks up against peers
· vs. 8 similar animal welfare in United StatesRed flags
· All clearCommon questions
· Auto-generated from filings + methodologyZoological Society of Cincinnati is a registered animal welfare nonprofit based in Cincinnati, OH, United States. It is registered with the Internal Revenue Service (IRS). It was founded in 1875 and has been operating for 151 years. Its EIN is 310537171. It has a GiveRadar Integrity Assessment of 83/100 (Strong transparency), indicating well-documented governance, financials, and contact details. The organization reports $69M in annual revenue. 203 officers and directors are publicly disclosed. No red flags have been detected.
Zoological Society of Cincinnati has a GiveRadar Integrity Assessment of 83/100. This score combines five components: Registration (20 pts), Financial Transparency (30 pts), Governance (20 pts), Contact Availability (10 pts), and Data Recency (20 pts), with negative adjustments for any red flags. A score of 83 ('Strong transparency') reflects well-documented governance, recent financials, named leadership, and working contact details. For comparison, the average integrity assessment for animal welfare charities in United States is 92/100.
Zoological Society of Cincinnati is located in Cincinnati, OH, United States. The organization was established in 1875 and has been active for 151 years.
Based on official tax filings, Zoological Society of Cincinnati has $69M in annual revenue. Its revenue is significantly above the peer average of $1M. Create a free GiveRadar account to view the complete financial breakdown with year-over-year trends.
Zoological Society of Cincinnati is classified as a Animal Welfare organization, registered in United States. It operates as a Publicly-supported charity (509(a)(2)). By size, it is categorized as a large organization. It has $69M in annual revenue. The organization has 203 disclosed officers and directors.
No red flags have been detected for Zoological Society of Cincinnati. GiveRadar automatically screens charities for concerning patterns including high executive compensation, low program spending, and missing financial filings. Based on available official data, no issues have been identified.
Zoological Society of Cincinnati has a GiveRadar Integrity Assessment of 83/100 (Strong transparency) and no red flags have been detected, which suggests it is a well-documented organization. It is regulated by the IRS. You can donate directly through their official donation page linked on their GiveRadar profile. GiveRadar provides data for research purposes and does not endorse any organization. Always do your own due diligence.
Learn more about the Cincinnati Zoo, internationally known for its success in the protection and propagation of endangered animals and plants. Zoological Society of Cincinnati is classified as a animal welfare organization registered in United States. The organization was founded in 1875.
Among animal welfare charities registered in United States: Zoological Society of Cincinnati's GiveRadar Integrity Assessment of 83/100 is in line with the peer average of 92/100. Its annual revenue of $69M is well above the peer average of $1M.
Yes, donations to Zoological Society of Cincinnati are generally tax-deductible in the United States. Its EIN is 310537171, which you can use for tax filing purposes. Donors can typically deduct contributions on their federal income tax return if they itemize deductions. Consult a tax professional for guidance specific to your situation.
Verified against 5 official sources, last refreshed .
Filing history
5 years on file from IRS 990 (FY2025): revenue, expenses, program spending, assets, and liabilities by fiscal year.
See 5 years of revenue, expense breakdowns, and balance sheet.
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Tax-deductibility for donors
Donations may be tax-deductible for residents of United States under local rules. Confirm with the charity directly.
ZOOLOGICAL SOCIETY OF CINCINNATI is registered in United States. Donations from the Netherlands to charities outside the EU/EEA are generally not tax-deductible for Dutch donors unless the charity is listed on the Dutch ANBI register with foreign-recognized status.
Always confirm tax treatment with the charity directly or your tax advisor before donating.
Leadership
Officers & trustees (25)
Source: Public filings
Latest news
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Activity timeline
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Other animal welfare in United States, by integrity assessment
Sources and verification
Refreshed
- Registration and legal identity
- Internal Revenue Service (IRS) - Tax Exempt Organization Search
- Financial filings
- IRS Form 990 filings - Fiscal year 2025 most recent on file.
- Officers and trustees
- Internal Revenue Service (IRS) - Tax Exempt Organization Search - 203 disclosed in the public registry.
- News and media coverage
- GDELT Project + Google News
- Supplementary verification
- Charity Navigator
Data freshness
What we don't know
Honest gaps - our score reflects transparency, not impact
Methodology
GiveRadar combines public registry filings, ProPublica Nonprofit Explorer, Charity Navigator, GuideStar, and news archives into a single 0-100 integrity assessment. We don't take a cut of any donation, ever.
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Quick facts about Zoological Society of Cincinnati
- What is Zoological Society of Cincinnati?
- Zoological Society of Cincinnati is a animal welfare publicly-supported charity (509(a)(2)) based in Cincinnati, United States. Learn more about the Cincinnati Zoo, internationally known for its success in the protection and propagation of endangered animals and plants.
- When was Zoological Society of Cincinnati founded?
- Zoological Society of Cincinnati was founded in 1875.
- Who leads Zoological Society of Cincinnati?
- Lori Voss serves as VP & CFO.
- Where is Zoological Society of Cincinnati located?
- Headquartered in Cincinnati, United States.
- What is Zoological Society of Cincinnati's annual budget?
- Annual revenue for fiscal year 2025 is approximately $10M-$100M. 0% of expenses go to program services.
- Is Zoological Society of Cincinnati trustworthy?
- Zoological Society of Cincinnati has a GiveRadar Integrity Assessment of 83 out of 100 (Strong transparency). The score reflects public-data transparency: registration, financial disclosure, governance, contact details, and how recently data was refreshed. It does not measure program impact.
- What is Zoological Society of Cincinnati's registration number?
- IRS EIN: 310537171.
- What is Zoological Society of Cincinnati's website?
- https://www.cincinnatizoo.org