American Ornithological Society in Chicago, Illinois (IL)


Employer Identification Number (EIN) 72-6019246
Name of Organization American Ornithological Society
Previous Names American Ornithologists Union (2005 - 2017)
Address 1400 S Lake Shore Dr, Chicago, IL 60605-2827
Previous Addresses 1400 S Lake Shore Drive, Chicago, IL 60605-0000 (2022)
1400 S Lake Shore Dr, Chicago, IL 60605-2827 (2015 - 2021)
5400 Bosque Blvd Ste 680, Waco, TX 76710-4459 (2008 - 2013)
1313 Dolley Madison Blvd Ste 402, Mclean, VA 22101-3926 (2005 - 2007)
Subsection(s) / Classification Educational Organization
Scientific Organization
Affiliation Independent
Ruling Date 01/1943
Deductibility Contributions are deductible
Foundation Organization which receives a substantial part of its support from a governmental unit or the general public
Activities Scientific research (diseases)
Contact or sponsored scientific research for industry
Preservation of natural resources (conservation)
Organization Corporation
Exempt Organization Status Unconditional Exemption
Tax Period 12/2023
Asset $10,000,000 to $49,999,999
Income $1,000,000 to $4,999,999
Filing Requirement 990 (all other) or 990EZ return
Accounting Period December (12)
Asset Amount $29,078,708
Income Amount $2,700,824
Form 990 Revenue Amount $1,345,416
National Taxonomy of Exempt Entities (NTEE) Science and Technology Research Institutes, Services: Professional Societies, Associations

Organizations performing similar types of work - median values


Income amount
Similar organizations: $63,400
This organization: $2,700,824
Asset amount
Similar organizations: $449,827
This organization: $29,078,708