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Illinois · Nonprofit

FOUNDATION FOR THE MOUNT PROSPECT PUBLIC LIBRARY

FOUNDATION FOR THE MOUNT PROSPECT PUBLIC LIBRARY (Illinois) receives grants from 3 organizations whose IRS filings report $6,161 to it, the largest being MERIT FOUNDATION ($5,200). 1 of them have funded it in more than one year.

Revenue FY2025
$64k
Funders on record
3
Grants received
$6k
Net assets
$717k
1/3 repeat funderspeak grant-dependency 1%
01What it does

What Foundation for the Mount Prospect Public Library does

Mission

To support the mount prospect public library.

As stated on its FY2025 Form 990.

Programs

  1. Dial-a-story

    $535 spent
    7% of program spending

  2. Super saturday

    $2,112 spent
    27% of program spending

  3. Adult programming

    $3,000 spent
    39% of program spending

  4. Club for kids who like books, raise-a-reader, steam youth

    $2,074 spent
    27% of program spending

The 4 programs described on its FY2025 Form 990, listed largest first by expense. Program spending in total: $7,721.

02The organization over time

The organization over time

Each line starts at 100 in 2020, so what you read is the shape rather than the size: 150 means half as much again as 2020, 50 means half. The number beside each label in the key is where it ended. The shaded band is where the middle 50% of its peers' revenue would sit, given their growth.

100 = 20202020 Revenue 100 ($72k) Expenses 100 ($9k) Net assets 100 ($480k)2021 Revenue 101 ($72k) Expenses 85 ($7k) Net assets 114 ($545k)2022 Revenue 39 ($28k) Expenses 96 ($8k) Net assets 97 ($464k)2023 Revenue 42 ($30k) Expenses 181 ($15k) Net assets 110 ($530k)2024 Revenue 91 ($65k) Expenses 156 ($13k) Net assets 128 ($615k)2025 Revenue 89 ($64k) Expenses 143 ($12k) Net assets 149 ($717k)
202020212022202320242025
Revenue (89)Expenses (143)Net assets (149)Peer revenue range

Balance sheet

Total assets and total liabilities at each year end, in dollars. The largest one-year move in total assets was 2024 to 2025, from $615k to $717k (+17%).

$480k
$545k
$464k
$530k
$615k
$717k
202020212022202320242025
Total assetsTotal liabilities

How it's funded, over time

Each bar is one year's revenue split into where it came from, and every bar is the same height — these are shares, not amounts, so a year that raised twice as much looks the same size. Hover a bar for the split.

2020
2021
2022
2023
2024
2025
ContributionsProgram revenueInvestmentOther

17% of FOUNDATION FOR THE MOUNT PROSPECT PUBLIC LIBRARY’s revenue is contributions — about as donation-reliant as the typical peer (65% for the typical peer).

This organization
Typical peer · 26,798 orgs

Surplus & reserves

Operating surplus or deficit each year, and months of liquidity in hand. 0 of the last 6 reported years ran a deficit.

$63k
’20
$65k
’21
$20k
’22
$15k
’23
$52k
’24
$52k
’25
703
months of
reserve

Leadership and staff

The officers, directors, trustees and key employees listed on each return. Joined and no longer listed compare each filing with the year before, matching people by surname and first initial; a year after a gap, or a roster under three people, has no comparison.

20212022202320242025
Listed33788
Joined·+0+5+1+3
No longer listed·0103
03Who funds it

Who funds it, year by year

2020 → 2023: the base narrowed from 2 funders to 1 funder, grant income fell $329 → $178.

Funder
'20
'21
'22
'23
'25*
total
funders
2
1
1
1
1

1 of 3 of your funders are donor-advised or pass-through sponsors (tagged DAF) — 15% of grant dollars received. That money is really individual donors directing a sponsor; the institutions to cultivate are the non-DAF funders.

From the IRS filings of FOUNDATION FOR THE MOUNT PROSPECT PUBLIC LIBRARY’s funders (the co-funder graph). Association, not causation. Trends are read to FY2023, the last fiscal year that has finished arriving. FY2024–FY2026 are still being filed and are shown unshaded; they do not move any figure on this page.

How concentrated its funding is

FOUNDATION FOR THE MOUNT PROSPECT PUBLIC LIBRARY leans on a few funders — its largest provides 84% of grant income and the top three 100%; half comes from just 1 funder.

the vertical line marks half of all grant income — 1 funder to its left

84%
largest funder
100%
top three
~1
effective funders

Largest funder’s share by year: 2020 89% · 2021 100% · 2022 100% · 2023 100% — growing more concentrated.

“Effective funders” = inverse Herfindahl index (1 / Σ shareᵢ²) — the number of equal-sized funders that would give the same concentration. Trends are read to FY2023, the last fiscal year that has finished arriving. FY2024–FY2026 are still being filed and are shown unshaded; they do not move any figure on this page.

Where its funders are

99% of FOUNDATION FOR THE MOUNT PROSPECT PUBLIC LIBRARY's grant income comes from Illinois funders.

IL
NY

Funder states come from each funder’s own filing. $926 arriving through sponsors registered in 1 state is excluded from the map and the split above: a sponsor holds money on a donor’s behalf, so its registered address would place those dollars somewhere no donor need ever have been. Trends are read to FY2023, the last fiscal year that has finished arriving. FY2024–FY2026 are still being filed and are shown unshaded; they do not move any figure on this page.

04Its place in the field

Against its field

FOUNDATION FOR THE MOUNT PROSPECT PUBLIC LIBRARY runs a healthier operating margin than three-quarters of the 17,277 education nonprofits its size.

Operating margin81% · top quartile
Months of reserve702.7mo · outside the comparable range
Revenue growth (annualized)−2% · below the median

this organization peer median middle 50% of peers· 17,277 education nonprofits under $100k, FY2025

Organizations like FOUNDATION FOR THE MOUNT PROSPECT PUBLIC LIBRARY

Organizations whose mission and program text most resemble this one, by semantic similarity over every organization in the US filings — the closest peers, and often the clearest route to shared or prospective funders.

In Illinois

Mount Prospect Parks Foundation78%Friends of the Mount Prospect Public Library76%St Charles Public Library Foundation Inc75%Friends of the Decatur Public Library74%Decatur Public Library Foundation74%Mount Morris Community Library Foundation73%Fox Valley Park Foundation73%Santa for a Day Incorporated73%

Nationally

Mount Prospect Parks Foundation78%Park County Library Foundation77%Mount Pleasant Free Public Library Assn Inc77%Friends of the Mentor Public Library77%Mountain Lake Public Telecommunications76%Friends of the Mount Prospect Public Library76%18-296 Mount Pleasant Elementary PTA76%Pleasant Mount Public Library Association Inc76%
05Profile & governance

Read directly from this organization’s own Form 990, as neutral context.

Where the money goes

63% of spending goes to programs.

Program 63%Management 37%Fundraising 0%

Governance

0
board members
✓Conflict-of-interest policy–Whistleblower policy–Document retention✓Board reviewed the 990✓Audited financials

Public support

30%

Share of support from the public (Schedule A) — the basis for its public-charity status.

Footprint & structure

Files a return copy in 1 state

IL

Screen this organization

A dated, signed PDF of the compliance screen for FOUNDATION FOR THE MOUNT PROSPECT PUBLIC LIBRARY: IRS status (Business Master File, Publication 78, auto-revocation), the OFAC sanctions lists, the Internal Revenue Bulletin, and California registration, with the Rev. Proc. 2018-32 §8.01 reliance elements stated element by element. Generated from the current files at the moment you download it.

A paid feature, included from the $75 plan up. Sign in to download.

Screens are triage, not determinations; a source that cannot be read reports not screened, never clear. Screen this nonprofit · How the screen works · on the API as GET /api/screening/{ein}?format=pdf

Questions and answers

Who funds FOUNDATION FOR THE MOUNT PROSPECT PUBLIC LIBRARY?
FOUNDATION FOR THE MOUNT PROSPECT PUBLIC LIBRARY (Illinois) receives grants from 3 organizations whose IRS filings report $6,161 to it, the largest being MERIT FOUNDATION ($5,200). 1 of them have funded it in more than one year.
How many funders does FOUNDATION FOR THE MOUNT PROSPECT PUBLIC LIBRARY have?
IRS filings report 3 organizations giving $6,161 in grants to FOUNDATION FOR THE MOUNT PROSPECT PUBLIC LIBRARY, 1 of which have funded it in more than one year.
Who is the largest funder of FOUNDATION FOR THE MOUNT PROSPECT PUBLIC LIBRARY?
MERIT FOUNDATION is the largest funder on record, with $5,200 in grants. The full list of funders is on this page.
How can an organization like FOUNDATION FOR THE MOUNT PROSPECT PUBLIC LIBRARY find more funders?
Start with the funders already giving here, then look at the foundations that back similar organizations in Illinois. The funding by cause and by state pages list the largest funders for a given area and how to approach them.

Play a game about who funds Foundation for the Mount Prospect Public Library →

These figures are read directly from IRS Form 990 / 990-PF e-file XML: this organization’s own return for FY2025 (financials across 2020–2025), and the filings of 3 funders that report grants to it. “On record” means captured in the filings we have parsed — a funder that does not e-file, or whose grant detail is not itemized, will not appear. Filings run roughly 12–24 months behind. Trends on this page end at FY2023, the last fiscal year that has finished arriving; later years are shown and marked, and move no figure. Data on this page was exported October 14, 2026. What this page cannot tell you · view filing