Grinnell State Bank
1 detailed location
Local banking directory
Search detailed locations Banks and Bank Branches in Polk City, Iowa
The FDIC reported 3 deposit-reporting offices from 3 institutions in Polk City as of June 30, 2025. Bankular currently provides 3 detailed location pages with addresses, maps and directions.
FDIC-reported offices3
Institutions reporting3
Detailed location pages3
Reported branch deposits$257.5M
SOD reporting dateJune 30, 2025
Market analysis
What the deposit data shows
Largest institutionLuana Savings Bank69.03% of deposits
Top three share100.00%
Deposit HHI5,250Higher concentration
Current detailed pages3Matches the June 2025 SOD office count
Luana Savings Bank held 69.03% of reported branch deposits in Polk City. The three largest institutions together held 100.00%. Bankular places the resulting HHI of 5,250 in its higher concentration descriptive band.
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Detailed bank locations in Polk City
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Detailed directory
Institutions with validated location pages
Location pages
Detailed bank locations in Polk City
Grinnell State Bank
1 detailed locationHome State Bank
1 detailed locationLuana Savings Bank
1 detailed locationLocal deposit market
Reported offices, deposits and market share
| Institution | Reported offices | Deposits | Share |
|---|---|---|---|
| Luana Savings Bank | 1 | $177.7M | 69.03% |
| Home State Bank | 1 | $44.1M | 17.14% |
| Grinnell State Bank | 1 | $35.6M | 13.83% |