Banks in Sun Prairie, WI
Branches open
12
Banks present
10
Deposits (2025)
$1.2B
Closings on record
1
3 openings
Banks by deposits in Sun Prairie (2025)
| Bank | Deposits | Share | Branches |
|---|---|---|---|
| Bank of Sun Prairie | $524M | 45.1% | 3 |
| Associated Bank | $169M | 14.5% | 1 |
| BMO Bank | $106M | 9.1% | 1 |
| The Park Bank | $104M | 8.9% | 1 |
| U.S. Bank | $88M | 7.6% | 1 |
| Old National Bank | $67M | 5.8% | 1 |
| Chase Bank | $44M | 3.8% | 1 |
| One Community Bank | $39M | 3.3% | 1 |
| Starion Bank | $20M | 1.7% | 1 |
All branches
- Bank of Sun Prairie — 228 E Main St$414M
- Associated Bank — 658 S Grand Ave$169M
- Bank of Sun Prairie — 695 S Grand Ave$110M
- BMO Bank — 1140 W Main St$106M
- The Park Bank — 110 N Grand Ave$104M
- U.S. Bank — 2311 Windsor St$88M
- Old National Bank — 1516 W Main St$67M
- Chase Bank — 620 Spring St$44M
- One Community Bank — 2580 Ironwood Dr$39M
- Starion Bank — 350 S Grand Ave$20M
- Bank of Sun Prairie — 2850 Ironwood Dr$29K
- Johnson Bank — 186 S City Station Dr—
Closings
- 550 BROADWAY DR · closed July 31, 2025
Transcribed from FDIC BankFind Suite active-location records, the annual Summary of Deposits and structure-change records. Deposit figures reflect the office to which deposits are reported and may not represent where depositors live.