Branch Network
The Port Washington State Bank Locations & Branches Port Washington, Wisconsin
BankRegReports is independent of The Port Washington State Bank and never asks for online banking logins or passwords.
The Port Washington State Bank operates 8 branches from its headquarters in Port Washington, WI, .
The Port Washington State Bank branch network
All 8 branches are in WISCONSIN, across 8 cities. Its largest office by deposits is the The Port Washington State Bank office in Port Washington, WI, with $262.2M (28.3% of its branch deposits). It had the same number of branches on June 30, 2025.
The Port Washington State Bank at a glance
Its CET1 capital ratio was 11.93% at Q2 2026, above regulatory requirements.
- Total assets, Q2 2026
- $1.01B
- CET1 ratio, Q2 2026
- 11.93%
- Deposit insurance
- FDIC
- Regulator
- FDIC
- Latest call report
- Q2 2026, FFIEC 051
- Established
- 1899
Full financial profile · Is The Port Washington State Bank safe? · The Port Washington 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 Washington, WI (1 branch) | 1 of 2 | 66.5% | $262.2M |
| State: WI (8 branches) | 34 of 185 | 0.4% | $926.9M |
Ranked by total assets among banks headquartered in the state: Largest banks in Wisconsin.
Share by county and metro area
The Port Washington 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 |
|---|---|---|---|---|
| Ozaukee, WI (8 branches) | 1 of 15 | 27.2% | $926.9M | $3.40B |
Metro areas
| Metro area | Rank | Deposit share | Deposits | Metro total |
|---|---|---|---|---|
| Milwaukee-Waukesha, WI (8 branches) | 15 of 43 | 1.2% | $926.9M | $79.93B |
| Branch | Location | ZIP | Deposits |
|---|---|---|---|
| The Port Washington State Bank | Port Washington, WI | 53074 | $262.2M |
| Mequon | Mequon, WI | 53092 | $175.0M |
| Grafton Branch | Grafton, WI | 53024 | $120.5M |
| Fredonia Branch | Fredonia, WI | 53021 | $99.6M |
| Saukville Branch | Saukville, WI | 53080 | $91.3M |
| Cedarburg Branch | Cedarburg, WI | 53012 | $66.3M |
| Belgium Branch | Belgium, WI | 53004 | $56.6M |
| Thiensville Branch | Thiensville, WI | 53092 | $55.4M |
Source: FDIC Summary of Deposits, June 30, 2026. How the survey works.
Regulator records: FDIC BankFind (cert 8698) · FFIEC NIC profile (RSSD 937740)