Joseph T Simpson Public Library
The joseph t. Simpson library is the community's library, responsive to needs and desires for knowledge, understanding, enrichment, entertainment, and connection.
Joseph T Simpson Public Library at a glance
- Total assets
- $7,875,364
- +9.8% vs 2024
- Revenue (2025)
- $1,980,220
- +48.3% vs 2024
- Net investment income (2025)
- $41,612
- -115.2% vs 2024
- Expenses (2025)
- $1,290,359
- +15.1% vs 2024
- Latest 990 filing
- Form 990, 2025 View filing
Data from IRS Form 990, 2025; updated November 2026.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
In 2020 it made 1 grant totaling $10K.
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Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Net Investment Income |
|---|---|---|---|---|---|---|
| 2025 | $7,875,364 | $1,980,220 | $1,290,359 | — | — | $41,612 |
| 2024 | $7,175,401 | $1,335,668 | $1,121,041 | — | — | $-274,032 |
| 2023 | $6,842,228 | $1,972,277 | $1,067,232 | — | — | $-27,184 |
| 2022 | $6,033,619 | $1,204,588 | $1,038,673 | — | — | $-28,544 |
| 2021 | $5,642,803 | $1,110,471 | $886,701 | — | — | $-34,447 |
| 2020 | $5,301,828 | $1,190,108 | $948,838 | $9,552 | 1 | $-55,527 |
About Joseph T Simpson Public Library
Based on IRS filings
Joseph T Simpson Public Library is a public charity, based in Mechanicsburg, PA. IRS filing data is available from 2020 through 2025. As of 2025, the organization holds $7.9M in total assets. Net investment income was $42K.
Leadership & Key People
Officers and directors from IRS filings
Joseph T Simpson Public Library is led by Sue Erdman, Executive Director since 2024 (on filings since 2023); 3 of 14 officers listed in 2025 are compensated.
Officers on the 2025 filing
Sue Erdman
Executive Director
Library Director → Executive Director, 2024
On filings since 2023
37.5 hrs/week
$88K (2024) → $83K (2025)
Elizabeth Seidel
Executive Director
New on the 2025 filing
37.5 hrs/week
$8K (2025)
Thomas Topolski
President
Trustee → Vice President, 2024
Vice President → President, 2025
On filings since 2023
3 hrs/week
No compensation reported
Rob Moran
Trustee
On filings since 2020
3 hrs/week
No compensation reported
Karen Cochran
Trustee
Capital Campaign Chairsperson → Trustee, 2025
On filings since 2024
3 hrs/week
No compensation reported
Corrin Ruggiero
Trustee
New on the 2025 filing
3 hrs/week
No compensation reported
David Carll
Trustee
New on the 2025 filing
3 hrs/week
No compensation reported
Dwight Utz
Trustee
New on the 2025 filing
3 hrs/week
No compensation reported
Heather Knisley
Trustee
New on the 2025 filing
3 hrs/week
No compensation reported
Arn Howald
Assistant Director & Public Services
Assistant Director & Public Services Coordinator → Assistant Director & Public Services, 2025
On filings since 2024
37.5 hrs/week
$51K (2024) → $54K (2025)
Patricia Leib
Treasurer
Trustee → Treasurer, 2024
On filings since 2022
3 hrs/week
No compensation reported
Belinda Lawrence
Assistant Treasurer
Trustee → Assistant Treasurer, 2025
On filings since 2023
3 hrs/week
No compensation reported
G. Edward Blum
Vice President
Trustee → Vice President, 2025
On filings since 2024
3 hrs/week
No compensation reported
Sandra McIntyre
Secretary
Trustee → Secretary, 2025
On filings since 2024
3 hrs/week
No compensation reported
Former officers (18)
- Former: Alan Vandrew (2020–2024) — Trustee
- Former: Allen Warshaw (2020–2024) — Trustee
- Former: Donna Weldon (2020–2024) — Trustee
- Former: Patricia Sanker (2020–2024) — President
- Former: Heather Knisely (2021–2024) — Secretary
- Former: Karis Hazam (2024) — Trustee
- Former: Cindy Mortzfeldt (2020–2023) — Vice President
- Former: James B. Van Kirk (2020–2023) — Treasurer
- Former: Barbara Denison (2023) — Trustee
- Former: Edward Blum (2023) — Trustee
- Former: Annie Standley (2020–2022) — Trustee
- Former: Caroline S. Erdman (2020–2022) — Library Director
- Former: Judy Souleret (2020–2022) — Trustee
- Former: Jonathan Williams (2020–2021) — Trustee
- Former: Marilyn Zywiec (2020–2021) — Trustee
- Former: Earnie Zimmerman (2020) — Trustee
- Former: Glen Osborn (2020) — President
- Former: Leah Roshetar (2020) — Trustee
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 $83K, to Sue Erdman (Executive Director (Until 02/2026)). 3 officers or directors reported compensation on that filing.
Frequently asked questions about Joseph T Simpson Public Library
How large is Joseph T Simpson Public Library?
Joseph T Simpson Public Library reported $7.9M in total assets on its 2025 IRS Form 990. Its revenue that year was $2.0M.
What is Joseph T Simpson Public Library's EIN?
Joseph T Simpson Public Library's EIN (Employer Identification Number) is 23-1652343. IRS Form 990 filing data is available on this page for 2020–2025.
Data last updated November 2026. Sourced from IRS Form 990 filings.
Data update history
(2)
When this profile's IRS filing data changed on Grantable
- Updated Form 990 for fiscal year 2020 (received by the IRS August 30, 2021)
- Added Form 990 for fiscal year 2025 (received by the IRS September 11, 2026)
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