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BankSonar

Keystone Savings Bank

Marengo, IA · State, non-member commercial bank

40

Sonar Score

Caution

out of 100 · from public FDIC data

Reported March 31, 2026. The Sonar Score is an informational signal from public FDIC data — not a rating or financial advice.

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Key figures

Total assets
$210M
Total deposits
$177.8M
Branches
5
Return on assets
0.32%
Return on equity
3.14%
Charter type
State, non-member commercial bank
Established
1935
FDIC cert #
17993

How the 40 breaks down

Capital adequacyweight 40%

Capital ratio not reported.

Profitability (ROA)weight 30%

Thin profitability.

Return on equityweight 15%

Positive but moderate equity returns.

Scale & stabilityweight 15%

Community-scale institution.

Read the full Sonar Score methodology →

Your deposits at Keystone Savings Bank

Keystone Savings Bank is an FDIC-insured institution (Cert #17993). Deposits are insured up to $250,000 per depositor, per ownership category, by the full faith and credit of the US government. Learn how to maximize your coverage →

5 branch locations

330 Western Avenue

Marengo, IA 52301

81 Main St

Keystone, IA 52249

807 Rosedale Dr

Center Point, IA 52213

6871 Ne 12th Ave

Pleasant Hill, IA 50327

606 3rd St

Victor, IA 52347

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