First Interstate Bank
2 detailed locations
Local banking directory
Search detailed locations Banks and Bank Branches in Watertown, South Dakota
The FDIC reported 11 deposit-reporting offices from 8 institutions in Watertown as of June 30, 2025. Bankular currently provides 12 detailed location pages with addresses, maps and directions.
FDIC-reported offices11
Institutions reporting8
Detailed location pages12
Reported branch deposits$1.50B
SOD reporting dateJune 30, 2025
Reported-office totals come from the annual FDIC Summary of Deposits survey. Maps and branch-detail links appear only for locations with a validated Bankular location page.
Market analysis
What the deposit data shows
Largest institutionReliabank Dakota23.66% of deposits
Top three share54.09%
Deposit HHI1,463Lower concentration
Current detailed pages121 more than the June 2025 SOD count
Reliabank Dakota held 23.66% of reported branch deposits in Watertown. The three largest institutions together held 54.09%. Bankular places the resulting HHI of 1,463 in its lower concentration descriptive band.
Branch map
Detailed bank locations in Watertown
Select a marker to open the detailed location page.
Detailed directory
Institutions with validated location pages
First PREMIER Bank
2 detailed locations
Reliabank Dakota
2 detailed locations
American Bank & Trust
1 detailed location
Cornerstone Bank
1 detailed location
Dacotah Bank
1 detailed location
First Bank & Trust
1 detailed location
Plains Commerce Bank
1 detailed location
Wells Fargo Bank
1 detailed location
Location pages
Detailed bank locations in Watertown
American Bank & Trust
1 detailed locationCornerstone Bank
1 detailed locationDacotah Bank
1 detailed locationFirst Bank & Trust
1 detailed locationFirst Interstate Bank
2 detailed locationsFirst PREMIER Bank
2 detailed locationsPlains Commerce Bank
1 detailed locationReliabank Dakota
2 detailed locationsWells Fargo Bank
1 detailed locationLocal deposit market
Reported offices, deposits and market share
| Institution | Reported offices | Deposits | Share |
|---|---|---|---|
| Reliabank Dakota | 2 | $354.2M | 23.66% |
| Dacotah Bank | 1 | $249.4M | 16.66% |
| First Interstate Bank | 2 | $206.0M | 13.76% |
| Plains Commerce Bank | 1 | $163.8M | 10.94% |
| Wells Fargo Bank | 1 | $152.2M | 10.17% |
| First PREMIER Bank | 2 | $149.5M | 9.99% |
| American Bank & Trust | 1 | $130.6M | 8.72% |
| First Bank & Trust | 1 | $91.2M | 6.09% |