Banks in Marathon County, Wisconsin
FDIC-insured institutions in Marathon County held $5.4 billion in deposits as of June 30, 2026, according to the FDIC.
17 FDIC-insured institutions held $5.4 billion in deposits in 44 offices in Marathon County at June 30, 2026; BMO Bank National Association held the most, 28.8% of the county's.
Marathon County, June 30, 2026
- $5.4 billion
- Deposits in the county
- $5,353,963,000
- At June 30, 2026, against $5.2 billion a year before, each year's own dollars.
- 17
- Institutions with deposits
- FDIC-insured banks and savings institutions with an office here that reported deposits.
- 44
- Offices
- Every office the survey lists here, against 44 in 2025.
- 28.8%
- The largest share
- BMO Bank National Association, with $1.5 billion in 4 offices.
Each institution’s share of the county’s deposits
3 more columns on a wider screen
| Institution | Deposits | Share |
|---|---|---|
| BMO Bank National Association | $1.5 billion | 28.8% |
| Peoples State Bank | $792.4 million | 14.8% |
| IncredibleBank | $646.0 million | 12.1% |
| Associated Bank, National Association | $604.4 million | 11.3% |
| AbbyBank | $368.8 million | 6.9% |
| Nicolet National Bank | $359.1 million | 6.7% |
| U.S. Bank National Association | $213.0 million | 4.0% |
| One Community Bank | $211.9 million | 4.0% |
| Partners Bank of Wisconsin | $166.7 million | 3.1% |
| Marathon Bank | $162.8 million | 3.0% |
| Forward Bank | $90.2 million | 1.7% |
| Bank of Sun Prairie | $51.6 million | 1.0% |
| Citizens State Bank of Loyal | $44.3 million | 0.8% |
| Prevail Bank | $39.0 million | 0.7% |
| WOODTRUST BANK | $35.5 million | 0.7% |
| Citizens State Bank | $14.3 million | 0.3% |
| Community First Bank | $11.3 million | 0.2% |
An institution with no office in the county in 2025 shows none for that year; a name is the survey’s for 2026, and one without a link has no page because it did not file a Call Report for the newest quarter.
Sources
- FDIC Summary of Deposits — every office's deposits at June 30, 1994 to the newest survey — Federal Deposit Insurance Corporation · Public domain — U.S. Government work · retrieved September 27, 2026
Compiled automatically from FDIC Summary of Deposits — every office's deposits at June 30, 1994 to the newest survey by a checked SQL query · Editor: Kian O'Connor · How this site is built
Data retrieved