Branch Network
The Port Austin State Bank Locations & Branches Port Austin, Michigan
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The Port Austin State Bank operates 1 branch from its headquarters in Port Austin, MI, .
The Port Austin State Bank branch network
Its one office is in Port Austin, MICHIGAN. It had the same number of branches on June 30, 2025.
The Port Austin State Bank at a glance
It reports no CET1 ratio; its Tier 1 leverage ratio was 18.44% at Q2 2026, above the 9% community bank leverage ratio requirement for being considered well capitalized.
- Total assets, Q2 2026
- $67.8M
- Tier 1 leverage ratio, Q2 2026
- 18.44%
- Deposit insurance
- FDIC
- Regulator
- FDIC
- Latest call report
- Q2 2026, FFIEC 051
- Established
- 1884
Full financial profile · Is The Port Austin State Bank safe? · The Port Austin State 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: Port Austin, MI (1 branch) | 1 of 1 | 100.0% | $54.6M |
| State: MI (1 branch) | 92 of 95 | <0.1% | $54.6M |
Ranked by total assets among banks headquartered in the state: Largest banks in Michigan.
Share by county and metro area
The Port Austin 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 |
|---|---|---|---|---|
| Huron, MI (1 branch) | 6 of 7 | 5.0% | $54.6M | $1.09B |
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 |
|---|---|---|---|
| The Port Austin State Bank | Port Austin, MI | 48467 | $54.6M |
Source: FDIC Summary of Deposits, June 30, 2026. How the survey works.
Regulator records: FDIC BankFind (cert 14999) · FFIEC NIC profile (RSSD 779641)