Fiscal year ending 2025. Filed on November 13, 2025.
PO Box 306
Hillsdale, Michigan 49242
Hillsdale County Historical Society (EIN: 38-2132367) has filed an IRS Form 990 since fiscal year 2017. In its fiscal year 2025 IRS Form 990 filing, Hillsdale County Historical Society, a 501(c)(3) charitable organization, reported compensation for 10 employees. Among the employees shown here, the average compensation is $0.
Revenue
Expenses
Employee compensation
TO PRESERVE, ADVANCE AND DISSEMINATE KNOWLEDGE OF THE HISTORY OF HILLSDALE COUNTY
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