Castlewood Historical Society
Castlewood Historical Society is a private foundation focused on Arts, Culture & Humanities, based in Castlewood, SD. IRS filing data is available from 2020 through 2025. As of 2025, the organization holds $283K in total assets. In 2025, it awarded 5 grants totaling $30K. Net investment income was $233.
Key facts about Castlewood Historical Society
In short: Castlewood Historical Society gave $30K across 5 grants in 2025 (avg $6K), mostly in South Dakota. Source: 2025 IRS Form 990-PF.
- EIN
- 46-0402371
- Latest 990 filing
- Form 990-PF, 2025
- Annual giving (2025)
- $29,611
- Grants made (2025)
- 5
- Average grant
- $5,922
- Median grant
- $5,049
- Total assets
- $282,866
- Primary geography
- South Dakota (100% of itemized 2025 grant dollars)
Data from IRS Form 990-PF, 2025; updated September 2026.
Financial Overview
From 2025 IRS Form 990-PF · View filing
Total Assets
$283K
-1.3% YoY
Annual Giving
$30K
-56.2% YoY
Grant Count
5
+25.0% YoY
Avg Grant Size
$6K
-64.9% YoY
How Castlewood Historical Society gives
- Giving fell 87% from 2022 to 2025. Method
From the foundation's IRS Form 990 filings. Methodology.
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Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of 2025 grant dollars across all 5 itemized grants.
States
Cities
Giving Over Time
Total grant dollars and number of grants per year
From 2022 to 2025, annual grant giving ranged from $30K (2025) to $227K (2022). In 2025 it made 5 grants totaling $30K.
Grant Insights
How this funder distributes its grants
Top Recipients
Top 5 recipients in 2025
The largest 2025 recipient was Citizens State Bank ($10K). Together the top 5 received $30K.
Grant Size Distribution
18 grants across all recorded years
The most common grant size was under $50K: 17 grants of 18 (94%).
Giving History
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Citizens State Bank Castlewood, SD | Store Front Renovation | $10,000 |
| Castlewood Community Foundation Castlewood, SD | Parking Lot Project | $10,000 |
| Chelly Lewandowski Castlewood, SD | Roof & Store Front Restoration | $5,049 |
| Kevin Pribbenow Castlewood, SD | Entrance Door Restoration | $3,440 |
| Wayne Rasmussen Castlewood, SD | Restoration/Painting | $1,122 |
Financial History
Multi-year comparison from IRS filings
| Metric | 2025 | 2024 | 2023 |
|---|---|---|---|
| Total Assets | $282,866 | $286,497 | $1,831,386 |
| Revenue | $72,238 | $114,280 | $107,416 |
| Expenses | $75,035 | $107,032 | $111,810 |
| Qualifying Distributions | $39,981 | $75,088 | $43,365 |
| Net Investment Income | $233 | $440 | $35,401 |
Data update history
When this profile's IRS filing data changed on Grantable
- Updated Form 990-PF for fiscal year 2022 (received by the IRS November 15, 2023)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS August 26, 2024)
- Updated Form 990-PF for fiscal year 2024 (received by the IRS November 14, 2025)
- Added Form 990-PF for fiscal year 2025 (received by the IRS May 15, 2026)
- IRS filings on file for fiscal years 2020–2024
Leadership & Key People
Officers and directors from IRS filings
Castlewood Historical Society is led by Barb Cozad, President on every filing since 2020; 1 of 9 officers listed in 2025 is compensated.
Officers on the 2025 filing
Barb Cozad
President
On filings since 2020
0.6 hrs/week
No compensation reported
Wayne Rasmussen
Director
On filings since 2020
0.3 hrs/week
No compensation reported
Chelly Lewandowski
Director
On filings since 2022
0.3 hrs/week
No compensation reported
Jeff Dahl
Director
New on the 2025 filing
0.3 hrs/week
No compensation reported
Kevin Pribbenow
Director
New on the 2025 filing
0.3 hrs/week
No compensation reported
Tommie Greenfield
Director
New on the 2025 filing
0.3 hrs/week
No compensation reported
Lois Wiarda
Treasurer
On filings since 2020
9.6 hrs/week
$7K (2020) → $14K (2025)
Doug Strait
Secretary
Secretary → Director, 2021
Director → Secretary, 2022
On filings since 2020
1.2 hrs/week
No compensation reported
Richard Wiarda
Vice President
On filings since 2020
0.6 hrs/week
No compensation reported
Former officers (4)
- Former: Ruby McKee (2020–2024) — Director
- Former: Ayrica Deboaer (2022–2024) — Director
- Former: Tommy Greenfield (2022–2024) — Director
- Former: Ardell Strait (2021) — Secretary
Data from IRS Form 990 filings, 2020–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.
Compensation Overview
From 2025 IRS filing
The highest reported compensation on the 2025 filing was $14K, to Lois Wiarda (Treasurer).
Frequently asked questions about Castlewood Historical Society
How much does Castlewood Historical Society give each year?
Castlewood Historical Society gave $30K across 5 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $68K across 4 grants.
What is Castlewood Historical Society's typical grant size?
Castlewood Historical Society's median grant in 2025 was $5,049, and its average grant was $5,922, across 5 grants on its 2025 IRS Form 990-PF.
Where does Castlewood Historical Society give grants?
Castlewood Historical Society gives mostly in South Dakota: 100% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The most frequent recipient cities were Castlewood, SD (5 grants).
Does Castlewood Historical Society give general operating support?
Not in 2025: none of the 5 grants with a stated purpose on Castlewood Historical Society's 2025 IRS Form 990-PF were described as general or operating support.
Who are Castlewood Historical Society's largest grantees?
Castlewood Historical Society's largest 2025 grantees include Citizens State Bank ($10,000), Castlewood Community Foundation ($10,000) and Chelly Lewandowski ($5,049), according to its 2025 IRS Form 990-PF. Together they received 85% of its itemized 2025 grant dollars.
How large is Castlewood Historical Society?
Castlewood Historical Society reported $283K in total assets on its 2025 IRS Form 990-PF. Its revenue that year was $72K.
What is Castlewood Historical Society?
Castlewood Historical Society is a private foundation focused on Arts, Culture & Humanities, based in Castlewood, SD. It holds $283K in total assets as of 2025.
What is Castlewood Historical Society's EIN?
Castlewood Historical Society's EIN (Employer Identification Number) is 46-0402371. IRS Form 990 filing data is available on this page for 2020–2025.
Data last updated September 2026. Sourced from IRS Form 990 filings.
Here's the math on researching Castlewood Historical Society by hand.
Explore Open Grants
Browse active grant opportunities in Castlewood Historical Society's focus areas in our free grants database
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Castlewood Historical Society down — hundreds of funders to go?