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IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 46-6024835

OPTIMIST INTERNATIONAL

Also known as RUSHMORE NOON OC OF BLACK HILLS SD

Tax-exempt · RAPID CITY, SD 57702

Address and contacts

Address (IRS master file)
5117 PINEDALE HEIGHTS DR, RAPID CITY, SD 57702-2089
In care of
% MALCOM CHAPMAN
Mailing address (990-N for 2025)
PO Box 1946, Rapid City SD 57709
Principal officer (990-N for 2025)
Nicolas Johnson, 1729 Mountain View Rd, Rapid City SD 57702

What it must file and when

IRS records say it files Form 990-N (e-Postcard). Gross receipts normally $50,000 or less. Its accounting year ends in December, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025December 31, 2025May 15, 2026990-N on file
2024December 31, 2024May 15, 2025990-N on file
2023December 31, 2023May 15, 2024990-N on file

File the 2026 990-N for OPTIMIST INTERNATIONAL

Due May 17, 2027 · e-filed with the IRS by 990.tax, an IRS-authorized e-file provider

IRS record

EIN
46-6024835
Tax-exempt status
501(c)(4): Social welfare organization
Foundation status
Publicly supported organization (509(a)(2))
Donations deductible
No
Exempt since
1958
Accounting year ends
December
Files
Form 990-N (e-Postcard)

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-N for 2025
Officer: Nicolas Johnson
December 31, 2025≤ $50,000 receipts––e-Postcard
990-N for 2024
Officer: Nicolas
December 31, 2024≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: Susan Keller
December 31, 2023≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: Nicolas Johnson
December 31, 2022≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: Nicolas Johnson
September 30, 2020≤ $50,000 receipts––e-Postcard
990-N for 2018
Officer: Donald Stover
September 30, 2019≤ $50,000 receipts––e-Postcard

990-N: the IRS bulk file holds only the latest e-Postcard per organization; earlier years come from archived copies of that file since 2020 and can have gaps (the IRS e-Postcard search lists every one). 990, 990-EZ, 990-PF, 990-T: every e-filed return in the IRS e-file index since 2019; XML for the latest three processing years, amounts from the IRS Statistics of Income extracts before that. PDF copies and determination letters at the IRS (search EIN 46-6024835).

Questions about OPTIMIST INTERNATIONAL

What is the EIN of OPTIMIST INTERNATIONAL?
The employer identification number (EIN) of OPTIMIST INTERNATIONAL is 46-6024835.
Is OPTIMIST INTERNATIONAL tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(4) since 1958.
Are donations to OPTIMIST INTERNATIONAL tax-deductible?
No. The IRS master file says contributions to it are not deductible.
Which annual return does OPTIMIST INTERNATIONAL file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of OPTIMIST INTERNATIONAL due?
The return for tax year 2026 (the year ending December 31, 2026) is due May 17, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did OPTIMIST INTERNATIONAL last file with the IRS?
The latest return in the IRS public files is the 990-N for 2025 for the year ended December 31, 2025.
Who is the principal officer of OPTIMIST INTERNATIONAL?
The 990-N for 2025 names Nicolas Johnson.

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