Branch Network
Central Bank Locations & Branches Storm Lake, Iowa
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Central Bank operates 23 branches from its headquarters in Storm Lake, IA, .
Central Bank branch network
Its 23 branches span 2 states and 13 cities. The most are in IOWA (17) and SOUTH DAKOTA (6). IOWA holds 78.0% of its branch deposits. Sioux City, IA has the most of its branches, 5. Its largest office by deposits is the 522 Fourth Street Branch office in Sioux City, IA, with $343.6M (18.3% of its branch deposits). It had the same number of branches on June 30, 2025.
Central Bank at a glance
Its CET1 capital ratio was 10.60% at Q2 2026, above regulatory requirements.
- Total assets, Q2 2026
- $2.29B
- CET1 ratio, Q2 2026
- 10.60%
- Deposit insurance
- FDIC
- Regulator
- Federal Reserve
- Latest call report
- Q2 2026, FFIEC 051
- Established
- 1879
Full financial profile · Is Central Bank safe? · Central 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: Storm Lake, IA (3 branches) | 1 of 4 | 41.1% | $312.7M |
| State: IA (17 branches) | 18 of 261 | 1.1% | $1.46B |
Ranked by total assets among banks headquartered in the state: Largest banks in Iowa.
Share by county and metro area
Central 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 |
|---|---|---|---|---|
| Woodbury, IA (5 branches) | 2 of 20 | 12.6% | $436.0M | $3.45B |
| Polk, IA (5 branches) | 11 of 39 | 1.1% | $359.5M | $32.18B |
| Buena Vista, IA (3 branches) | 1 of 6 | 32.3% | $312.7M | $969.0M |
| Lincoln, SD (2 branches) | 6 of 26 | <0.1% | $214.5M | $647.52B |
| Dickinson, IA (2 branches) | 3 of 8 | 14.7% | $195.9M | $1.34B |
| Cherokee, IA (1 branch) | 2 of 5 | 23.4% | $113.8M | $486.9M |
| Brookings, SD (1 branch) | 5 of 8 | 3.9% | $88.0M | $2.24B |
| Union, SD (1 branch) | 5 of 9 | 7.3% | $56.1M | $773.2M |
| Minnehaha, SD (2 branches) | 21 of 25 | <0.1% | $53.1M | $478.92B |
| Dallas, IA (1 branch) | 17 of 28 | 1.7% | $44.4M | $2.54B |
Metro areas
| Metro area | Rank | Deposit share | Deposits | Metro total |
|---|---|---|---|---|
| Sioux City, IA-NE-SD (6 branches) | 2 of 30 | 10.3% | $492.0M | $4.77B |
| Des Moines-West Des Moines, IA (6 branches) | 17 of 57 | 1.1% | $403.9M | $37.99B |
| Storm Lake, IA (3 branches) | 1 of 6 | 32.3% | $312.7M | $969.0M |
| Sioux Falls, SD (4 branches) | 15 of 39 | <0.1% | $267.6M | $1.13T |
| Spirit Lake, IA (2 branches) | 3 of 8 | 14.7% | $195.9M | $1.34B |
| Brookings, SD (1 branch) | 5 of 8 | 3.9% | $88.0M | $2.24B |
| Branch | Location | ZIP | Deposits |
|---|---|---|---|
| 522 Fourth Street Branch | Sioux City, IA | 51101 | $343.6M |
| Central Bank (main office) | Storm Lake, IA | 50588 | $280.5M |
| North Career Avenue Branch | Sioux Falls, SD | 57108 | $214.5M |
| Spirit Lake Branch | Spirit Lake, IA | 51360 | $195.9M |
| 86th Street Branch | Urbandale, IA | 50322 | $146.2M |
| Cherokee Central Trust Branch | Cherokee, IA | 51012 | $113.8M |
| Brookings Branch | Brookings, SD | 57006 | $88.0M |
| Mills Civic Branch | West Des Moines, IA | 50265 | $85.0M |
| North Ankeny Branch | Ankeny, IA | 50023 | $66.9M |
| Dakota Dunes Branch | Dakota Dunes, SD | 57049 | $56.1M |
| Central Bank - Hamilton Branch | Sioux City, IA | 51104 | $48.7M |
| 4018 University Branch | Des Moines, IA | 50311 | $47.4M |
| Waukee Branch | Waukee, IA | 50263 | $44.4M |
| Central Bank - Morningside Branch | Sioux City, IA | 51106 | $43.7M |
| Sioux Falls South Minnesota Branch | Sioux Falls, SD | 57105 | $32.3M |
| Storm Lake Branch 2 - 811 N Lake Ave | Storm Lake, IA | 50588 | $32.2M |
| Sioux Falls - West 12th Branch | Sioux Falls, SD | 57104 | $20.8M |
| 3624 Sixth Avenue Branch | Des Moines, IA | 50313 | $14.1M |
| Drive-In Branch | Storm Lake, IA | 50588 | $0 |
| Okoboji Mortgage Lending Office | Okoboji, IA | 51355 | $0 |
| Sioux City Mortgage Lending Office Branch | Sioux City, IA | 51101 | $0 |
| Sioux Falls Lpo Branch | Sioux Falls, SD | 57108 | $0 |
| Sioux City Lpo-4th St Branch | Sioux City, IA | 51101 | $0 |
Source: FDIC Summary of Deposits, June 30, 2026. How the survey works.
Regulator records: FDIC BankFind (cert 15555) · FFIEC NIC profile (RSSD 546544)