Banks in Sauk County, Wisconsin
25 active bank branches operated by 13 institutions, per FDIC records.
Active branches
25
Banks present
13
Deposits (2026)
$2.4B
Closings since 2020
3
0 openings
Largest banks by deposits in Sauk County (2026)
| Bank | Deposits | Share | Branches |
|---|---|---|---|
| Bank of Prairie du Sac | $644M | 26.4% | 2 |
| Baraboo State Bank | $437M | 17.9% | 6 |
| BMO Bank | $334M | 13.7% | 4 |
| Bank of Wisconsin Dells | $261M | 10.7% | 1 |
| The Peoples Community Bank | $133M | 5.4% | 2 |
| Community First Bank | $114M | 4.7% | 2 |
| Associated Bank | $108M | 4.4% | 1 |
| Prevail Bank | $103M | 4.2% | 1 |
| Wells Fargo | $99M | 4.1% | 1 |
| Royal Bank | $59M | 2.4% | 2 |
Deposit location reflects the office to which deposits are reported and may not represent the residence of depositors.
Cities and towns
Transcribed from FDIC BankFind Suite active-location records and the annual Summary of Deposits. County assignment follows the FDIC branch record.