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Nonprofits in MILLBROOK, NY

64 tax-exempt organizations with a return on IRS file.

Largest nonprofits in MILLBROOK by revenue

Top 5s in MILLBROOK

Most raised in gifts and grants

Contributions, gifts and grants received in the year

  1. 1Millbrook School990, year ended Jun 2025$10.5M
  2. 2Cary Institute of Ecosystem Studies Inc990, year ended Jun 2025$9.9M
  3. 3Dutchess Land Conservancy Inc990, year ended Dec 2025$4.5M
  4. 4Millbrook Community Partnership Inc990, year ended Dec 2024$3.2M
  5. 5Cardinal Hayes Home for Children990, year ended Dec 2025$752.6K

Largest reserves

Net assets (fund balance) at year end

  1. 1Dyson Foundation990-PF, year ended Dec 2024$228.1M
  2. 2Millbrook School990, year ended Jun 2025$150.3M
  3. 3Cary Institute of Ecosystem Studies Inc990, year ended Jun 2025$149.2M
  4. 4Dutchess Land Conservancy Inc990, year ended Dec 2025$35.1M
  5. 5Millbrook Tribute Garden Inc990-PF, year ended Sep 2025$30.8M

Highest-paid people

Compensation from the organization and related organizations, including other pay

  1. 1Jonathan DownsHead of School · Millbrook School$601.4K
  2. 2Joshua R GinsbergPresident · Cary Institute of Ecosystem Studies Inc$475K
  3. 3Matthew HeardHead of Scho · Dutchess Day School$377.8K
  4. 4Jeffrey SmithCFO/COO · Millbrook School$322.9K
  5. 5Mary SontheimerExecutive Director · Cardinal Hayes Home for Children$296.2K

All nonprofits in MILLBROOK, A–Z