Charity Search / ILLINOIS AVIATION MUSEUM AT BOLINGBROOK
Arts, Culture & Humanities (A50) 990 on File

ILLINOIS AVIATION MUSEUM AT BOLINGBROOK

EIN: 20-1040122 · BOLINGBROOK, IL 60490-5507 · United States · FY 2025 Data
3 out of 5 49 / 100 Based on 2+ years of filings
Financial strength (30%) 75/100
Reliability (20%) 55/100
Effectiveness (25%) 61/100
Impact (25%) No data yet
Financial data: FY 2025 · Scored 9/13/2026
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Financial Overview — FY 2025
$78K
Total Revenue
$48K
Total Expenses
$241K
Net Assets
N/A
Employees
Revenue Sources
Expense Breakdown
Program Expense Ratio 99.5%
Fundraising Efficiency N/A
Operating Reserve 60.55x
Liability-to-Asset 0.4%
Revenue Diversification 57.4%
Compared with Peers
FY 2025
Compared with 7,347 similar organizations (United States, Arts, Culture & Humanities, under $100K in expenses), FY 2025.
This organization Middle half of peers (P25–P75) Peer median
Ratio This org Peer median Position (P10 → P90)
Program expense ratio
Program expenses / total expenses · higher is better
99.5% 82.0%
P10P90
Above median
Operating reserve
Months of expenses covered by net assets · higher is better
60.6 mo 15.5 mo
P10P90
Top quarter
Liabilities to assets
Total liabilities / total assets · lower is better
0.4% 0.0%
P10P90
Below median
Revenue concentration
Share of revenue from the largest source · lower is better
57.4% 85.7%
P10P90
Top quarter
Revenue growth
Year over year revenue growth
35.2% 0.0%
P10P90
Expense growth
Year over year expense growth
5.9% 0.6%
P10P90
Surplus margin
Surplus as a share of revenue
39.2% 8.9%
P10P90
Financial History
Year Revenue Expenses Net Assets Program % Staff
2025 $78K $48K $241K 99.5%
2024 $58K $45K $210K 95.4%
2023 $61K $63K $202K 99.8%
2022 $58K $69K $204K 99.9%
2021 $93K $48K N/A 1
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Organization Details
EIN
20-1040122
State
IL
City
BOLINGBROOK
ZIP
60490-5507
Classification
A50
Category
Arts, Culture & Humanities
Rating
3★
Coverage
A
Last Updated
Aug 2026
Form 990
On File
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