Banks in Oconomowoc, WI
Branches open
13
Banks present
8
Deposits (2026)
$1.8B
Closings on record
0
0 openings
Banks by deposits in Oconomowoc (2026)
| Bank | Deposits | Share | Branches |
|---|---|---|---|
| Bank Five Nine | $1.0B | 56.6% | 4 |
| Associated Bank | $222M | 12.1% | 2 |
| Chase Bank | $167M | 9.1% | 1 |
| BMO Bank | $115M | 6.3% | 1 |
| U.S. Bank | $87M | 4.7% | 1 |
| Ixonia Bank | $85M | 4.6% | 2 |
| Waukesha State Bank | $65M | 3.5% | 1 |
| WaterStone Bank | $55M | 3% | 1 |
All branches
- Bank Five Nine — 155 W Wisconsin Ave$776M
- Chase Bank — 138 E Wisconsin Ave$167M
- Bank Five Nine — W359n5900 Brown St$141M
- Associated Bank — N49 W35876 Wisconsin Avenue$123M
- Bank Five Nine — 1300 N Summit Ave$121M
- BMO Bank — 1433 Pabst Farms Cir$115M
- Associated Bank — 1456 Summit Ave$99M
- U.S. Bank — 1674 Old Schoolhouse Rd$87M
- Waukesha State Bank — 1227 Corporate Center Dr$65M
- WaterStone Bank — 1239-45 Oconomowoc Drive$55M
- Ixonia Bank — W359n5002 Brown St$51M
- Ixonia Bank — 1223 Summit Ave$34M
- Bank Five Nine — 1306 W Wisconsin Ave$0K
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.