Branch Network
Western Dakota Bank Locations & Branches Timber Lake, South Dakota
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Western Dakota Bank operates 2 branches from its headquarters in Timber Lake, SD, .
Western Dakota Bank branch network
Both branches are in SOUTH DAKOTA, across 2 cities. Its largest office by deposits is its main office in Timber Lake, SD, with $69.5M (89.9% of its branch deposits). It had the same number of branches on June 30, 2025.
Western Dakota Bank at a glance
It reports no CET1 ratio; its Tier 1 leverage ratio was 9.20% at Q2 2026, above the 9% community bank leverage ratio requirement for being considered well capitalized.
- Total assets, Q2 2026
- $85.6M
- Tier 1 leverage ratio, Q2 2026
- 9.20%
- Deposit insurance
- FDIC
- Regulator
- FDIC
- Latest call report
- Q2 2026, FFIEC 051
- Established
- 1919
Full financial profile · Is Western Dakota Bank safe? · Western Dakota Bank call report · Routing number
Deposit market share
Share of all FDIC-insured deposits held in each area, from the June 30, 2026 Summary of Deposits. Rank 1 is the largest holder. Shares are by bank charter, not by holding company.
| Area | Rank | Deposit share | Deposits |
|---|---|---|---|
| City: Timber Lake, SD (1 branch) | 1 of 1 | 100.0% | $69.5M |
| State: SD (2 branches) | 55 of 82 | <0.1% | $77.3M |
Ranked by total assets among banks headquartered in the state: Largest banks in South Dakota.
Share by county and metro area
Western Dakota Bank's share of FDIC-insured deposits in the counties and metro areas where it has branches, from the June 30, 2026 Summary of Deposits. Up to the ten largest of each are shown, by the bank's deposits. Rank 1 is the largest holder. Banks only: credit unions are not in the Summary of Deposits.
Counties
| County | Rank | Deposit share | Deposits | County total |
|---|---|---|---|---|
| Dewey, SD (2 branches) | 1 of 2 | 52.2% | $77.3M | $148.2M |
Metro area share: not on file. None of this bank's branches sit in a metropolitan or micropolitan area in the FDIC branch directory.
| Branch | Location | ZIP | Deposits |
|---|---|---|---|
| Western Dakota Bank (main office) | Timber Lake, SD | 57656 | $69.5M |
| Isabel Branch | Isabel, SD | 57633 | $7.8M |
Source: FDIC Summary of Deposits, June 30, 2026. How the survey works.
Regulator records: FDIC BankFind (cert 492) · FFIEC NIC profile (RSSD 128258)