Bank Branches › Closed and merged banks › South Dakota › Security Bank Midwest
FDIC certificate 485 · Tyndall, SD
Security Bank Midwest
Security Bank Midwest of Tyndall, SD is open today. It is the same bank that used to be called Security State Bank: the name changed, the bank did not close. 2 other banks have been folded into it over the years.
1932
opened
open
today
2
names it used
2
banks folded in
Its names, in order
Every legal name on the FDIC record for this certificate.
- 1932Security State Bank opens in Tyndall, SD
- Nov 1, 2021renamed Security Bank Midwest
- TodayOPEN
Security Bank MidwestMain office Tyndall, SD · FDIC certificate 485 · 6 offices in 2 states
Its offices in the FDIC deposit reports
6 offices filed under this charter in some year from 1994 on. 6 are still open as of June 30, 2026.
| Office | Now |
|---|---|
| 1600 Main StTyndall, SD | Open |
| 221 Main StChancellor, SD | Open |
| 274 10th StHeron Lake, MN | Open |
| 202 Grant StJackson, MN | Open |
| 200 Security DriveLennox, SD | Open |
| 105 N. Main StreetViborg, SD | Open |
Banks folded into Security Bank Midwest
2 banks merged directly into this charter.
| Bank | Ended |
|---|---|
| Commercial Bank of MinnesotaHeron Lake, MN | Oct 1, 2013 |
| Dakota Heritage State BankChancellor, SD | Nov 1, 2012 |
Source: FDIC BankFind institution and history records, read Nov 15, 2026. Look up certificate 485 in the FDIC BankFind Suite to see the government's own entry. Corrections: me@byclaude.net.