Oostburg State Bank
Oostburg, WI
IDRSSD: 248745
Total Assets
$433.55M
Latest filing
Total Deposits
$383.13M
Latest filing
Net Interest Margin
3.97%
Profitability
Routing numbers
Primary routing transit numbers associated with this institution.
1 routeView all→
075906346OOSTBURG, WI
Key People
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Locations
Main office and branches. Select to view on the map.
Main Office
Oostburg State Bank
905 Center Ave
Oostburg, WI 53070
Full Service - Brick and Mortar
Updated 01/30/2026Established 03/01/1908FDIC Certificate 6651
Branches (3)
Page 1 of 1| Name | Address | City / State |
|---|---|---|
| Oostburg State Bank (Main) | 905 Center Ave | Oostburg, WI |
| CEDAR GROVE BRANCH | 10 Phoenix St | Cedar Grove, WI |
| LOAN PROCESSING | 20 S Business Park Dr | Oostburg, WI |
| SHEBOYGAN FALLS BRANCH | 1010 Happy Lane | Sheboygan Falls, WI |
Showing 3 of 3
Quarterly Trends
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Total Assets vs Total Liabilities
Loans & Leases vs Deposits
Interest Income vs Expense
Net Interest Income
Noninterest Expense vs Income
Net Income
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Institution Profile
| Institution Class | Commercial bank, state charter, Fed non-member, and supervised by the FDIC |
| Primary Regulator | FDIC |
| Established Date | 03/01/1908 |
| Community Bank | Yes |
| Ownership Type | Not Mutual |
| ZIP | 53070 |
| State and County Number | 55117 |
| Subchapter S Corporations | No |
| Trust Powers | N/A |
| Federal Reserve ID Number | 07 |
| Numeric code | 21 |
| Insured by FDIC | Institutions that are currently open and insured by the FDIC |
| Federal Reserve District | Chicago |
| Core Based Statistical Area Name | Sheboygan, WI |
Operational Info
| Number of Employees | 58 |
| Domestic Offices | 4 |
| Foreign Offices | 0 |
| US Offices | 0 |
| Directly owned by another bank (CERT) | No |
| Last Structure Change Effective Date | 08/31/2022 |
| Date of Deposit Insurance | 01/01/1934 |
| Primary Insurance Agency | DIF |
| Website | www.oostburgstate.bank |
| Data Updated | 01/30/2026 |
| CERT | 10380 |
| Office of The Comptroller District: | — |
| Office of Thrift Supervision Region | N/A |
Financial Summary
| Total Assets | $433.55M |
| Total Deposits | $383.13M |
| Total Liabilities | $388.72M |
| Total Equity Capital | $44.82M |
| Net Income | $980.00k |
| Net Loans and Leases | $298.68M |
| Assets Per Employee ($Millions) | $7.47M |
| Bank Premises and Fixed Assets | $7.08M |
| Cash and Balances due from Depository Institutions | $3.03M |
| Deposits Held in Domestic Offices | $383.13M |
Key Performance Ratios
| Return on Assets (ROA) | 0.93% |
| Return on Equity (ROE) | 8.77% |
| Net Interest Margin | 3.97% |
| Efficiency Ratio | 74.54% |
| Tier 1 Risk-Based Capital Ratio | 12.99% |
| Net Loans and Leases to Core Deposits | 0% |
| Credit Loss Provision to Assets | 0% |
| Cash Dividends to Net Income (YTD Only) | 0% |
| Equity Capital to Assets | 10.339% |
| Earning Assets to total Assets | 95.27% |
Income and Expense
| Total Interest Income | $5.71M |
| Total Noninterest Income | $440.00k |
| Total Interest Expense | $1.74M |
| Total Noninterest Expense | $3.28M |
| Net Interest Income | $3.96M |
| Pre-tax Net Operating Income | $1.12M |
| Provision for Credit Losses | $0 |
| Discontinued Operations (Extraordinary Gains - Net) | $0 |
Additional Financial Info
| Goodwill and Other Intangibles | $0 |
| All Other Assets | — |
| Other Real Estate Owned | $0 |
| Other borrowed funds | $0 |
| Federal Funds Sold & Reverse Repurchase Agreement | $27.10M |
| Federal Funds Purchased and Repurchased Agreement | $0 |
| All Other Liabilities | $5.59M |
| Total Liabilities and Capital | $433.55M |
Securities
| Securities | $86.79M |
| Available-for-sale debt securities | $86.44M |
| Equity securities with readily determinable fair values not held for trading | — |
| Held-to-maturity securities | $0 |
| Subordinated Debt | $0 |
| Trading Account Assets | $0 |
| Trading Liabilities | $0 |
Frequently Asked Questions
What are the total assets of Oostburg State Bank?
$433.55M as of the latest filing.
How much are Oostburg State Bank's total deposits?
$383.13M in total deposits.
Where is Oostburg State Bank located?
Oostburg, WI.
What is the Net Interest Margin?
3.97%.
How many domestic offices does it operate?
4.
When was it established?
03/01/1908.
What is the Return on Assets (ROA)?
0.93%.
How much are total loans and leases?
$298.68M (latest filing).
What is the total interest income (latest filing)?
$5.71M.