Banks in Jefferson County, Wisconsin
FDIC-insured institutions in Jefferson County held $2.3 billion in deposits as of June 30, 2026, according to the FDIC.
11 FDIC-insured institutions held $2.3 billion in deposits in 23 offices in Jefferson County at June 30, 2026; Ixonia Bank held the most, 22.8% of the county's.
Jefferson County, June 30, 2026
- $2.3 billion
- Deposits in the county
- $2,343,430,000
- At June 30, 2026, against $1.9 billion a year before, each year's own dollars.
- 11
- Institutions with deposits
- FDIC-insured banks and savings institutions with an office here that reported deposits.
- 23
- Offices
- Every office the survey lists here, against 25 in 2025.
- 22.8%
- The largest share
- Ixonia Bank, with $533.9 million in 3 offices.
Each institution’s share of the county’s deposits
3 more columns on a wider screen
| Institution | Deposits | Share |
|---|---|---|
| Ixonia Bank | $533.9 million | 22.8% |
| Bank of Lake Mills | $432.3 million | 18.4% |
| PremierBank | $347.4 million | 14.8% |
| Bank Cmg | $345.4 million | 14.7% |
| Associated Bank, National Association | $183.2 million | 7.8% |
| BMO Bank National Association | $129.6 million | 5.5% |
| Badger Bank | $113.3 million | 4.8% |
| Farmers & Merchants State Bank | $105.7 million | 4.5% |
| Bank First, N.A. | $60.9 million | 2.6% |
| Johnson Bank | $54.3 million | 2.3% |
| First Citizens State Bank | $37.6 million | 1.6% |
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