GNB Bank
2 detailed locations
Local banking directory
Search detailed locations Banks and Bank Branches in Story City, Iowa
The FDIC reported 5 deposit-reporting offices from 4 institutions in Story City as of June 30, 2025. Bankular currently provides 5 detailed location pages with addresses, maps and directions.
FDIC-reported offices5
Institutions reporting4
Detailed location pages5
Reported branch deposits$181.9M
SOD reporting dateJune 30, 2025
Market analysis
What the deposit data shows
Largest institutionReliance State Bank56.99% of deposits
Top three share91.74%
Deposit HHI3,932Higher concentration
Current detailed pages5Matches the June 2025 SOD office count
Reliance State Bank held 56.99% of reported branch deposits in Story City. The three largest institutions together held 91.74%. Bankular places the resulting HHI of 3,932 in its higher concentration descriptive band.
Branch map
Detailed bank locations in Story City
Select a marker to open the detailed location page.
Detailed directory
Institutions with validated location pages
First Interstate Bank
1 detailed location
Reliance State Bank
1 detailed location
Security State Bank
1 detailed location
Location pages
Detailed bank locations in Story City
First Interstate Bank
1 detailed locationGNB Bank
2 detailed locationsReliance State Bank
1 detailed locationSecurity State Bank
1 detailed locationLocal deposit market
Reported offices, deposits and market share
| Institution | Reported offices | Deposits | Share |
|---|---|---|---|
| Reliance State Bank | 1 | $103.7M | 56.99% |
| GNB Bank | 2 | $36.2M | 19.89% |
| First Interstate Bank | 1 | $27.0M | 14.86% |
| Security State Bank | 1 | $15.0M | 8.26% |