Bank of Sun Prairie
Sun Prairie, WI · State, non-member commercial bank
Sonar Score
Stable
out of 100 · from public FDIC data
Reported June 30, 2026. The Sonar Score is an informational signal from public FDIC data — not a rating or financial advice.
Key figures
- Total assets
- $841.2M
- Total deposits
- $719.5M
- Branches
- 8
- Return on assets
- 0.63%
- Return on equity
- 6.38%
- Charter type
- State, non-member commercial bank
- Established
- 1903
- FDIC cert #
- 13565
How the 66 breaks down
Well-capitalized by regulatory thresholds.
Modest but positive returns.
Positive but moderate equity returns.
Community-scale institution.
Your deposits at Bank of Sun Prairie
Bank of Sun Prairie is an FDIC-insured institution (Cert #13565). Deposits are insured up to $250,000 per depositor, per ownership category, by the full faith and credit of the US government. Learn how to maximize your coverage →
8 branch locations
410 State Road
Hatley, WI 54440
100 S Superior St
Antigo, WI 54409
419 W Cottage Grove Rd
Cottage Grove, WI 53527
201 E Westgor Ave
Wittenberg, WI 54499
695 S Grand Ave
Sun Prairie, WI 53590
2850 Ironwood Dr
Sun Prairie, WI 53590
416 Main St
Birnamwood, WI 54414
228 E Main St
Sun Prairie, WI 53590
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