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Idaho · Nonprofit

Idaho Zoological Society Inc

Idaho Zoological Society Inc (Idaho) receives grants from 34 organizations whose IRS filings report $2,607,821 to it, the largest being SIMPLOT COMPANY FOUNDATION INC ($618,800). 25 of them have funded it in more than one year.

Revenue FY2025
$4.2M
Funders on record
34
Grants received
$2.6M
Net assets
$13M
25/34 repeat funderspeak grant-dependency 9%
01What it does

What Idaho Zoological Society Inc does

Mission

The fozb is a membership organization that supports zoo boise in the areas of animal acquisition, capital improvement projects, fundraising activities, volunteer opportunities, and educational programs. The goals of each of these components is to increase public awareness, knowledge, and appreciation of the boise zoo, wild animals, animal habitat, conservation and the environment.

As stated on its FY2025 Form 990.

Programs

  1. Animal care and welfare - assisting with animal acquisition, animal care and welfare as well as exhibit and enrichment support.

    $191,277 spent
    10% of program spending
  2. Education - educational programming and volunteer engagement that connect the community to animals, science, and conservation.

    $1,404,632 spent
    71% of program spending
  3. Conservation - supporting wildlife initiatives locally and globally.

    $364,425 spentof which $363,309 as grants
    18% of program spending
  4. Recreation and experiences - maintaining and operating facilities and creating experiences that provide meaningful visitor engagement.

    $14,871 spent
    1% of program spending

The 4 programs described on its FY2025 Form 990, listed largest first by expense. Program spending in total: $1,975,205.

02The organization over time

The organization over time

Each line starts at 100 in 2018, so what you read is the shape rather than the size: 150 means half as much again as 2018, 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 = 20182018 Revenue 100 ($4.1M) Expenses 100 ($1.3M) Net assets 100 ($9.8M)2019 Revenue 79 ($3.2M) Expenses 115 ($1.4M) Net assets 118 ($12M)2020 Revenue 41 ($1.7M) Expenses 104 ($1.3M) Net assets 122 ($12M)2021 Revenue 51 ($2.1M) Expenses 164 ($2.1M) Net assets 120 ($12M)2022 Revenue -103 ($-4152772) Expenses 165 ($2.1M) Net assets 57 ($5.5M)2023 Revenue 105 ($4.2M) Expenses 165 ($2.1M) Net assets 79 ($7.7M)2024 Revenue 131 ($5.3M) Expenses 150 ($1.9M) Net assets 114 ($11M)2025 Revenue 103 ($4.2M) Expenses 168 ($2.1M) Net assets 135 ($13M)
'18'19'20'21'22'23'24'25
Revenue (103)Expenses (168)Net assets (135)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 2021 to 2022, from $12M to $6.3M (−49%).

$9.9M
$12M
$12M
$12M
$6.3M
$8.6M
$13M
$14M
'18'19'20'21'22'23'24'25
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.

2018
2019
2020
2021
2022
2023
2024
2025
ContributionsProgram revenueInvestmentOther

74% of Idaho Zoological Society Inc’s revenue is contributions — more donation-reliant than the typical peer (74% for the typical peer).

This organization
Typical peer · 1,665 orgs

Surplus & reserves

Operating surplus or deficit each year, and months of liquidity in hand. 1 of the last 8 reported years ran a deficit.

$2.8M
’18
$1.8M
’19
$354k
’20
$10k
’21
−$6.2M
’22
$2.2M
’23
$3.4M
’24
$2.0M
’25
29
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.

Chief executive

Gene Peacock

Executive Director

As listed on its FY2025 Form 990.

'18'19'20'21'22'23'24'25
Listed3535374138343434
Joined·+0+3+7+4+2+2+2
No longer listed·0137622
03Who funds it

Who funds it, year by year

2017 → 2023: the base broadened from 8 funders to 20 funders, grant income rose $111k → $252k.

9 of 34 of your funders are donor-advised or pass-through sponsors (tagged DAF) — 26% 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 Idaho Zoological Society Inc’s funders (the co-funder graph). Top 30 of 34 funders by total. 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

Idaho Zoological Society Inc has a broad base — no single funder exceeds 24% of grant income, and it takes 3 funders to reach half.

the vertical line marks half of all grant income — 3 funders to its left

54% of the income these shares are computed over arrives through pass-through sponsors or from payers whose filings do not say what kind of payment it is. Concentration is still measured over all of it, because the money is real; what it does not support is a claim about how many institutions have chosen to fund Idaho Zoological Society Inc.

24%
largest funder
56%
top three
~8
effective funders

Largest funder’s share by year: 2017 30% · 2018 18% · 2019 74% · 2020 19% · 2021 25% · 2022 66% · 2023 20% — diversifying over time.

“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.

How long its funders stay

60% of Idaho Zoological Society Inc's funders are still giving 3 years after their first grant; 74% give in more than one year at all.

first grant+1y+2y+3y+4y+5y+6y

Share of funders still giving k years after their first recorded grant, pooled across every acquisition cohort. A funder counts as retained in a year only if it made a grant that year. Measured to FY2023, the last fiscal year that has finished arriving — a funder cannot be counted as lapsed in a year most filers have not reached.

Where its funders are

54% of Idaho Zoological Society Inc's grant income comes from Idaho funders.

WA
ID
MT
MN
NV
PA
NJ
CA
NC
GA

In-state vs out-of-state, by year

’17
’18
’19
’20
’21
’22
’23
Idaho out of state home

Funder states come from each funder’s own filing. $678k arriving through sponsors registered in 9 states 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

Idaho Zoological Society Inc runs a healthier operating margin than three-quarters of the 813 animals nonprofits its size.

Operating margin49% · top quartile
Months of reserve29.3mo · top quartile
Revenue growth (annualized)0% · bottom quartile

this organization peer median middle 50% of peers· 813 animals nonprofits $1M–$10M, FY2025

Government funding Idaho Zoological Society Inc receives

Grants and contracts to this organization from federal (USASpending) and state checkbooks, reconciled to its EIN. $25k on record.

Federal$25k
grants $25kcontracts $0
Top agencies
  • Institute of Museum and Library Services$25k

Federal grants vs contracts are distinguished; state line items keep their reported category. Matched by name + geography (the BMF), so coverage is partial and precision-first.

Organizations like Idaho Zoological Society Inc

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 Idaho

Nationally

05Profile & governance

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

Where the money goes

93% of spending goes to programs.

Program 93%Management 4%Fundraising 3%

Governance

33
board members
100%
independent
✓Conflict-of-interest policy–Whistleblower policy✓Document retention✓Board reviewed the 990✓Audited financials

Public support

76%

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

Screen this organization

A dated, signed PDF of the compliance screen for Idaho Zoological Society Inc: 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.

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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 Idaho Zoological Society Inc?
Idaho Zoological Society Inc (Idaho) receives grants from 34 organizations whose IRS filings report $2,607,821 to it, the largest being SIMPLOT COMPANY FOUNDATION INC ($618,800). 25 of them have funded it in more than one year.
How many funders does Idaho Zoological Society Inc have?
IRS filings report 34 organizations giving $2,607,821 in grants to Idaho Zoological Society Inc, 25 of which have funded it in more than one year.
Who is the largest funder of Idaho Zoological Society Inc?
SIMPLOT COMPANY FOUNDATION INC is the largest funder on record, with $618,800 in grants. The full list of funders is on this page.
How can an organization like Idaho Zoological Society Inc find more funders?
Start with the funders already giving here, then look at the foundations that back similar organizations in Idaho. The funding by cause and by state pages list the largest funders for a given area and how to approach them.

These figures are read directly from IRS Form 990 / 990-PF e-file XML: this organization’s own return for FY2025 (financials across 2018–2025), and the filings of 34 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 22, 2026. What this page cannot tell you · view filing