Grinnell, IA
Bank Grinnell State Bank
Grinnell State Bank is a federally insured bank based in Grinnell, Iowa.
- Type
- Bank
- Charter
- State-chartered commercial bank, not a Federal Reserve member
- Primary regulator
- FDIC
- Established
- October 25, 1925
- Headquarters
- Grinnell, IA
- FDIC certificate #
- 11347
- Fed RSSD ID
- 783246
- Holding company
- Grinnell Bancshares Inc
- Website
- www.grinnell.bank
$496.8M
Total assets Data as of Q1 2026
$351.8M
Total deposits Data as of Q1 2026
4
Branch locations Data as of Q1 2026
$944K
Net income Data as of Q1 2026
0.76%
Return on assets Data as of Q1 2026
Source: U.S. FDIC BankFind & NCUA 5300 Call Report (public data). Data sources · Data as of Q1 2026
Branches by state
Grinnell State Bank operates 4 branch locations in Iowa. Select a state to drill down to its towns and individual branches.
Ownership
Grinnell State Bank is owned by Grinnell Bancshares Inc, which also owns 1 other institution. See the full ownership & merger history.
Grinnell State Bank financial summary
Other banks in Iowa
Federally insured banks headquartered in Iowa, by total assets.
- Principal Bank $9.6B
- Bankers Trust Company $7.47B
- Hills Bank and Trust Company $4.67B
- West Bank $4.01B
- Quad City Bank and Trust Company $3.09B
- Northwest Bank $2.97B
- Cedar Rapids Bank and Trust Company $2.87B
- Fidelity Bank & Trust $2.58B
Similar-size banks
Institutions close to Grinnell State Bank’s $496.8M in assets.
- Hancock County Savings Bank, F.S.B. $496.9M
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- FNB Community Bank $496.3M
- People's Bank of Seneca $497.4M
- Black Hills Community Bank, N.A. $495.9M
- Hamlin Bank and Trust Company $495.7M