First State Bank of Roscoe
1 detailed location
Local banking directory
Search detailed locations Banks and Bank Branches in Eureka, South Dakota
The FDIC reported 2 deposit-reporting offices from 2 institutions in Eureka as of June 30, 2025. Bankular currently provides 2 detailed location pages with addresses, maps and directions.
FDIC-reported offices2
Institutions reporting2
Detailed location pages2
Reported branch deposits$59.5M
SOD reporting dateJune 30, 2025
Market analysis
What the deposit data shows
Largest institutionGreat Plains Bank70.83% of deposits
Top three share100.00%
Deposit HHI5,868Higher concentration
Current detailed pages2Matches the June 2025 SOD office count
Great Plains Bank held 70.83% of reported branch deposits in Eureka. The three largest institutions together held 100.00%. Bankular places the resulting HHI of 5,868 in its higher concentration descriptive band.
Branch map
Detailed bank locations in Eureka
Select a marker to open the detailed location page.
Detailed directory
Institutions with validated location pages
Great Plains Bank
1 detailed location
Location pages
Detailed bank locations in Eureka
First State Bank of Roscoe
1 detailed locationGreat Plains Bank
1 detailed locationLocal deposit market
Reported offices, deposits and market share
| Institution | Reported offices | Deposits | Share |
|---|---|---|---|
| Great Plains Bank | 1 | $42.1M | 70.83% |
| First State Bank of Roscoe | 1 | $17.4M | 29.17% |