Bank BranchesEvery insured bank office · FDIC · 1994–2026

Bank Branches › South Dakota › Codington County › 35 1st Ave Ne

Full-service office · FDIC office no. 590837

First Interstate Bank
35 1st Ave Ne, Watertown, SD 57201

Open · June 2026

$150M
deposits, 2026
2017
established
6th
of 14 in county
2
names on the sign
This office's passbook2018–2026
DateBank on the signDepositsChange
Jun 30 2026First Interstate Bank$150M−14%
Jun 30 2025First Interstate Bank$176M+1%
Jun 30 2024First Interstate Bank$174M−13%
Jun 30 2023First Interstate Bank$200M−25%
Jun 30 2022First Interstate BankNEW NAME$268M−49%
Jun 30 2021Great Western Bank$521M−23%
Jun 30 2020Great Western Bank$673M−15%
Jun 30 2019Great Western Bank$797M+22%
Jun 30 2018Great Western Bank$653M
2017-07-05Office established (FDIC record) — 1 years before this passbook begins

Nearest other open offices in Codington County

  1. 0.2 miPlains Commerce Bank · 109 1st Ave Se, Watertown
  2. 0.2 miCornerstone Bank · 104 1st Ave Nw, Watertown
  3. 0.4 miFirst PREMIER Bank · 24 5th St Se, Watertown
  4. 0.8 miFirst Interstate Bank · 624 5th St Se, Watertown
  5. 1.1 miFirst Bank & Trust · 1120 9th Ave Se, Watertown
  6. 1.1 miWells Fargo Bank, National Association · 1225 9th Ave Se, Watertown
  7. 1.2 miReliabank Dakota · 830 10th St Sw, Watertown
  8. 1.2 miDacotah Bank · 1310 9th Ave Se, Watertown

All banks in Codington County →
Every First Interstate Bank office →
Earlier names and banks folded into First Interstate Bank →

Names on the sign

2018–2021Great Western Bank2022–nowFirst Interstate Bank

The FDIC office number stays with the building when banks merge or rename, so the same office appears under each owner. Follow an earlier name to see what became of that bank.

Deposits are the balances the bank assigned to this office on June 30 of each year, in nominal dollars. Source: FDIC Summary of Deposits, office (UNINUMBR) 590837.