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Bank Of Sun Prairie
Sun Prairie, WI · FDIC Certificate #13565 · Chartered 08/0
Total assets
$841.18M
Total deposits
$719.48M
Total equity
$84.35M
Net loans
$594.00M
Branches (offices)
8
Net income (YTD)
$2.66M
Rank: #1,202 of 4,213 U.S. banks by assets · #36 of 153 in Wisconsin. Assets changed 16.4% and deposits 17.4% over the year to June 30, 2026.
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Key ratios
| Return on assets (YTD, annualized by FDIC) | 0.63% |
| Return on equity | 6.38% |
| Net interest margin (YTD) | 2.89% |
| Equity to assets | 10.03% |
| Tier 1 leverage ratio | 9.99% |
| Uninsured deposits (share of deposits) | 27.4% |
| Noncurrent loans (share of loans) | 0.07% |
| Net charge-offs (share of loans) | -0.00% |
| Loans to deposits | 82.6% |
| Real estate loans (share of loans) | 93.2% |
Loan mix
| Category | Amount | Share | |
|---|---|---|---|
| Real estate loans | $553.89M | 93.2% | |
| Commercial & industrial | $35.57M | 6.0% | |
| Consumer / individual | $4.47M | 0.8% | |
| Construction & development | $19.23M | 3.2% | |
| Agricultural | $6.07M | 1.0% |
Five-year trend (June snapshots)
| Period | Total assets | Deposits | Net income (year to date) | Equity / net worth |
|---|---|---|---|---|
| Jun 2022 | $579.66M | $510.00M | $2.59M | $59.07M |
| Jun 2023 | $712.55M | $548.79M | $1.59M | $60.65M |
| Jun 2024 | $748.43M | $583.40M | $1.18M | $71.95M |
| Jun 2025 | $722.46M | $613.00M | $1.33M | $70.66M |
| Jun 2026 | $841.18M | $719.48M | $2.66M | $84.35M |
Where its branch deposits sit (FDIC Summary of Deposits)
| State | Branch deposits | Offices |
|---|---|---|
| Wisconsin | $719.48M | 8 |
Branch deposits are booked at the office that holds them, which is not always where the customer lives. Total across all offices: $719.48M.
Similar-sized banks
United Southern Bank ($843.00M) · First Resource Bank ($840.92M)
Source: FDIC BankFind - Call Report and institution data as of June 30, 2026; branch deposits from the FDIC Summary of Deposits (June 30, 2026). See methodology.
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