Indianapolis Zoological Society Inc
1200 W Washington St, Indianapolis, IN · IRS data through FY2024
Revenue, expenses and net assets
Revenue Expenses Net assets
| Tax year | Revenue | Expenses | Net assets |
|---|---|---|---|
| FY2024 | $57,679,714 | $44,416,857 | $234,052,756 |
| FY2023 | $50,063,288 | $40,234,027 | $213,514,798 |
| FY2022 | $42,184,759 | $35,942,289 | $197,545,046 |
| FY2021 | $63,172,595 | $34,421,325 | $199,869,914 |
| FY2020 | $23,714,934 | $31,941,726 | $165,329,419 |
| FY2019 | $46,518,850 | $36,011,430 | $165,166,060 |
| FY2018 | $29,548,526 | $34,733,592 | $145,316,860 |
| FY2017 | $31,126,208 | $32,985,416 | $154,579,662 |
| FY2016 | $28,798,704 | $32,221,078 | $150,700,233 |
| FY2015 | $38,306,324 | $29,982,286 | $150,713,678 |
| FY2014 | $39,816,954 | $30,182,503 | $144,748,914 |
| FY2013 | $32,383,877 | $26,193,185 | $134,817,858 |
| FY2012 | $35,031,607 | $25,601,984 | $128,918,030 |
| FY2011 | $29,922,906 | $23,808,251 | $119,712,440 |
Form 990 filings
The returns filed by Indianapolis Zoological Society Inc (EIN 35-1074747), including Form 990 PDFs and e-file data by year, are available in ProPublica's Nonprofit Explorer. The figures on this page come from IRS data files built from those returns.
Where the revenue came from
| Source | Amount | % of revenue |
|---|---|---|
| Contributions & grants | $20,257,498 | 35% |
| Program service revenue | $31,460,439 | 55% |
| Other revenue | $5,961,777 | 10% |
Where the money was spent
| Category | Amount | % of expenses |
|---|---|---|
| Program services | $39,118,271 | 88% |
| Management & general | $3,603,584 | 8% |
| Fundraising | $1,695,002 | 4% |
What the numbers show
- Program service revenue made up 55% of total revenue in FY2024.
- Program services accounted for 88% of functional expenses, management & general 8%, and fundraising 4%.
- 88% of functional expenses went to program services in FY2024. That is higher than 79.7% of 241 Animal-Related organizations nationwide (too few in IN for a state comparison).
- Net assets covered about 63.2 months of expenses at the end of the reporting year. That puts it in the 88th percentile among 194 Animal-Related organizations in IN.
- Total revenue was the highest among 199 Animal-Related organizations in IN.
- Total revenue rose from $29,922,906 in FY2011 to $57,679,714 in FY2024. Revenue increased in 7 and decreased in 6 of 13 year-over-year comparisons.
- Expenses exceeded revenue in 4 of 14 reported years (FY2016, FY2017, FY2018, FY2020).
- The highest revenue on record here is $63,172,595 in FY2021.
- Net assets grew from $119,712,440 to $234,052,756 between FY2011 and FY2024.
- Contributions and grants made up 48% of revenue in FY2011 and 35% in FY2024.
- Listed in the IRS Publication 78 data as eligible to receive tax-deductible contributions (public charity).
Figures compared against other organizations of the same NTEE program area in the same state. See the methodology page for how these are calculated and the guide to reading nonprofit financials for their limits.
About this organization
THE MISSION OF THE INDIANAPOLIS ZOO IS TO PROTECT NATURE AND INSPIRE PEOPLE TO CARE FOR OUR WORLD.
IRS status
| Ruling year | 1966 |
| Subsection | 501(c)(3) |
| Classification | Public charity |
| Program area (NTEE) | D500 — Animal-Related |
| Donations | Listed in the IRS Publication 78 data as eligible to receive tax-deductible contributions (public charity). |
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Source: Internal Revenue Service — Exempt Organizations Business Master File (downloaded November 4, 2026), Statistics of Income extracts, Form 990 e-file data, Publication 78 and the Automatic Revocation list. Figures are as reported by the organization; IRS processing may adjust them. This is not a charity rating and not tax advice. Confirm deductibility in IRS Tax Exempt Organization Search.
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