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Banks in Castlewood, SD
FDIC data lists 2 bank branch locations in Castlewood, South Dakota, operated by 2 FDIC-insured banks.
Banks with branches in Castlewood
Citizens State Bank, of Arlington (1) · First PREMIER Bank (1)
All branch locations
| Citizens State Bank, of Arlington Castlewood Branch · Full Service - Brick And Mortar | 108 E Main St Castlewood, SD 57223 Map ↗ |
| First PREMIER Bank Castlewood Branch · Full Service - Brick And Mortar | Second And Main Castlewood, SD 57223 Map ↗ |
Source: FDIC BankFind Suite, data as of 2026-10-30. Confirm hours and services directly with the bank.