Charity Search / DUNCAN AND MARGARET MILLER CHARITABLE FOUNDATION INC
Philanthropy & Grantmaking (T19) 990 on File

DUNCAN AND MARGARET MILLER CHARITABLE FOUNDATION INC

EIN: 32-0597117 · MIAMI, FL 33156-7817 · United States · FY 2024 Data
3 out of 5 41 / 100 Based on 2+ years of filings
Financial strength (30%) 63/100
Reliability (20%) 45/100
Effectiveness (25%) 51/100
Impact (25%) No data yet
Financial data: FY 2024 · Scored 9/13/2026
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CharityAI™ Score
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Financial Overview — FY 2024
$283K
Total Revenue
$300K
Total Expenses
$1.6M
Net Assets
N/A
Employees
Revenue Sources
Expense Breakdown
Program Expense Ratio 100.0%
Fundraising Efficiency N/A
Operating Reserve 63.20x
Liability-to-Asset 0.0%
Revenue Diversification 100.0%
Compared with Peers
FY 2024
Compared with 16,669 similar organizations (United States, Philanthropy & Grantmaking, $100K–$1M in expenses), FY 2024.
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
100.0% 90.2%
P10P90
Top quarter
Operating reserve
Months of expenses covered by net assets · higher is better
63.2 mo 95.2 mo
P10P90
Below median
Liabilities to assets
Total liabilities / total assets · lower is better
0.0% 0.0%
P10P90
Top quarter
Revenue concentration
Share of revenue from the largest source · lower is better
100.0% 90.5%
P10P90
Bottom quarter
Revenue growth
Year over year revenue growth
315.7% 18.5%
P10P90
Expense growth
Year over year expense growth
6449.2% 6.7%
P10P90
Surplus margin
Surplus as a share of revenue
-6.0% 1.2%
P10P90
Financial History
Year Revenue Expenses Net Assets Program % Staff
2024 $283K $300K $1.6M 100.0% —
2023 $68K $5K $1.6M 87.3% —
2022 $71K $100K $1.5M 99.9% —
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Organization Details
EIN
32-0597117
State
FL
City
MIAMI
ZIP
33156-7817
Classification
T19
Category
Philanthropy & Grantmaking
Rating
3★
Coverage
A
Last Updated
Aug 2026
Form 990
On File
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