Fiscal year ending 2024. Filed on October 15, 2025.
Post Office Box 826
Custer, South Dakota 57730
Custer County Historical Society (EIN: 23-7412305) has filed an IRS Form 990 since fiscal year 2021. In its fiscal year 2024 IRS Form 990 filing, Custer County Historical Society, a 501(c)(3) charitable organization, reported compensation for 14 employees. Among the employees shown here, the average compensation is $0.
Revenue
Expenses
Employee compensation
History Preservation in Custer County, SD
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