Banks in Watertown, SD
Branches open
12
Banks present
9
Deposits (2026)
$1.6B
Closings on record
3
3 openings
Banks by deposits in Watertown (2026)
| Bank | Deposits | Share | Branches |
|---|---|---|---|
| Reliabank Dakota | $377M | 24.2% | 2 |
| Dacotah Bank | $246M | 15.8% | 1 |
| First Interstate Bank | $180M | 11.5% | 2 |
| Plains Commerce Bank | $169M | 10.9% | 1 |
| First PREMIER Bank | $168M | 10.8% | 2 |
| American Bank & Trust | $159M | 10.2% | 1 |
| Wells Fargo | $158M | 10.2% | 1 |
| First Bank & Trust | $97M | 6.2% | 1 |
| Cornerstone Bank | $2M | 0.1% | 1 |
All branches
- Reliabank Dakota — 1401 4th St Ne$354M
- Dacotah Bank — 1310 9th Ave Se$246M
- Plains Commerce Bank — 109 1st Ave Se$169M
- American Bank & Trust — 1715 1st Ave Ne$159M
- Wells Fargo — 1225 9th Ave Se$158M
- First Interstate Bank — 35 1st Ave Ne$150M
- First PREMIER Bank — 824 34th St Se$133M
- First Bank & Trust — 1120 9th Ave Se$97M
- First PREMIER Bank — 24 5th St Se$36M
- First Interstate Bank — 624 5th St Se$29M
- Reliabank Dakota — 830 10th St Sw$23M
- Cornerstone Bank — 104 1st Ave Nw$2M
Closings
- 1600 4TH ST NE · closed August 11, 2023
- 920 FIFTH STREET S.E. · closed January 1, 2022
- 20 NORTH MAPLE STREET · closed February 24, 2021
Transcribed from FDIC BankFind Suite active-location records, the annual Summary of Deposits and structure-change records. Deposit figures reflect the office to which deposits are reported and may not represent where depositors live.