Banks in Marengo, IA
Branches open
2
Banks present
2
Deposits (2026)
$119M
Closings on record
0
0 openings
Banks by deposits in Marengo (2026)
| Bank | Deposits | Share | Branches |
|---|---|---|---|
| Grinnell State Bank | $78M | 65.6% | 1 |
| Keystone Savings Bank | $41M | 34.4% | 1 |
All branches
- Grinnell State Bank — 1101 Court Ave$78M
- Keystone Savings Bank — 330 Western Avenue$41M
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.