Branch Network
Plains Commerce Bank Locations & Branches Sioux Falls, South Dakota
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Plains Commerce Bank operates 8 branches from its headquarters in Sioux Falls, SD, .
Plains Commerce Bank branch network
All 8 branches are in SOUTH DAKOTA, across 6 cities. Sioux Falls, SD has the most of its branches, 3. Its largest office by deposits is its main office in Sioux Falls, SD, with $290.7M (27.0% of its branch deposits). It had the same number of branches on June 30, 2025.
Plains Commerce Bank at a glance
It reports no CET1 ratio; its Tier 1 leverage ratio was 10.03% at Q2 2026, above the 9% community bank leverage ratio requirement for being considered well capitalized.
- Total assets, Q2 2026
- $1.30B
- Tier 1 leverage ratio, Q2 2026
- 10.03%
- Deposit insurance
- FDIC
- Regulator
- FDIC
- Latest call report
- Q2 2026, FFIEC 051
- Established
- 1931
Full financial profile · Is Plains Commerce Bank safe? · Plains Commerce Bank Q3 2026 call report, filed October 23, 2026 (preliminary) · 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: Sioux Falls, SD (3 branches) | 12 of 33 | <0.1% | $408.6M |
| State: SD (8 branches) | 16 of 82 | <0.1% | $1.08B |
Ranked by total assets among banks headquartered in the state: Largest banks in South Dakota.
Share by county and metro area
Plains Commerce 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 |
|---|---|---|---|---|
| Minnehaha, SD (3 branches) | 8 of 25 | <0.1% | $408.6M | $478.92B |
| Brown, SD (1 branch) | 2 of 12 | 14.3% | $285.5M | $2.00B |
| Codington, SD (1 branch) | 5 of 10 | 10.6% | $168.8M | $1.59B |
| Potter, SD (1 branch) | 1 of 3 | 60.2% | $124.4M | $206.8M |
| Davison, SD (1 branch) | 7 of 8 | 5.7% | $65.6M | $1.16B |
| Spink, SD (1 branch) | 6 of 6 | 9.7% | $25.4M | $262.1M |
Metro areas
| Metro area | Rank | Deposit share | Deposits | Metro total |
|---|---|---|---|---|
| Sioux Falls, SD (3 branches) | 13 of 39 | <0.1% | $408.6M | $1.13T |
| Aberdeen, SD (1 branch) | 2 of 15 | 12.9% | $285.5M | $2.22B |
| Watertown, SD (1 branch) | 5 of 12 | 9.3% | $168.8M | $1.81B |
| Mitchell, SD (1 branch) | 8 of 10 | 5.2% | $65.6M | $1.27B |
| Branch | Location | ZIP | Deposits |
|---|---|---|---|
| Plains Commerce Bank (main office) | Sioux Falls, SD | 57106 | $290.7M |
| Aberdeen Branch | Aberdeen, SD | 57401 | $285.5M |
| Watertown Branch | Watertown, SD | 57201 | $168.8M |
| Hoven Branch | Hoven, SD | 57450 | $124.4M |
| Plains Commerce Bank (main office) | Sioux Falls, SD | 57103 | $83.3M |
| Plains Commerce Bank - Mitchell Branch | Mitchell, SD | 57301 | $65.6M |
| Sioux Falls - E. 57th Branch | Sioux Falls, SD | 57108 | $34.6M |
| Conde Branch | Conde, SD | 57434 | $25.4M |
Source: FDIC Summary of Deposits, June 30, 2026. How the survey works.
Regulator records: FDIC BankFind (cert 1678) · FFIEC NIC profile (RSSD 593052)