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Montezuma State Bank Locations & Branches Montezuma, Iowa
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Montezuma State Bank operates 1 branch from its headquarters in Montezuma, IA, .
Montezuma State Bank branch network
Its one office is in Montezuma, IOWA. It had the same number of branches on June 30, 2025.
Montezuma State Bank at a glance
It reports no CET1 ratio; its Tier 1 leverage ratio was 14.87% at Q2 2026, above the 9% community bank leverage ratio requirement for being considered well capitalized.
- Total assets, Q2 2026
- $54.6M
- Tier 1 leverage ratio, Q2 2026
- 14.87%
- Deposit insurance
- FDIC
- Regulator
- FDIC
- Established
- 1891
Full financial profile · Is Montezuma State Bank safe? · 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: Montezuma, IA (1 branch) | 1 of 2 | 52.0% | $46.2M |
| State: IA (1 branch) | 241 of 261 | <0.1% | $46.2M |
Ranked by total assets among banks headquartered in the state: Largest banks in Iowa.
Share by county and metro area
Montezuma State 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 |
|---|---|---|---|---|
| Poweshiek, IA (1 branch) | 6 of 7 | 8.0% | $46.2M | $580.4M |
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 |
|---|---|---|---|
| Montezuma State Bank (main office) | Montezuma, IA | 50171 | $46.2M |
Source: FDIC Summary of Deposits, June 30, 2026. How the survey works.
Regulator records: FDIC BankFind (cert 1860) · FFIEC NIC profile (RSSD 700140)