Farmers and Merchants Union Bank
Columbus, WI · Owner: Jewel Box Finl Services Inc
$872M
total assets, June 30, 2026
$872M
total assets, June 30, 2026
Farmers and Merchants Union Bank is a state nonmember bank based in Columbus, WI, owned by Jewel Box Finl Services Inc. As of June 30, 2026 it held $872.1 million in assets and $751.9 million in deposits; assets were up 33.9% from a year before. It has 13 branches.
Updated Oct 11, 2026 · numbers as of June 30, 2026
Total assets
$872M
+33.9% in a year · -3.5% in a quarter
Deposits
$752M
+33.1% in a year · -4.1% in a quarter
Loans
$648M
+23.8% in a year · 0.0% in a quarter
Profit so far
$7.2M
Jan 1 to Jun 30, 2026 · +63.7% in a year
Capital ratio
9.97%
-1.53 pts in a year
Return on assets
1.76%
+0.29 pts in a year
Facts
- Type
- State nonmember bank
- Head office
- 159 W James St, Columbus, WI, 53925
- County
- Columbia
- Holding company
- Jewel Box Finl Services Inc
- Established
- Sep 5, 1861
- Employees
- 100
- Branches
- 13
- Website
- www.fmub.bank
- Id
- b14445
Quarter by quarter
March 31, 1984 to June 30, 2026
Assets, deposits and loans
Each quarter end, US dollars
Profit by quarter
Net income of each quarter, the last 12
Ratios
Percent. Return on assets and net interest margin are yearly rates.
Branches
13 offices as of June 30, 2026, holding $751.9 million in deposits
Branch map
Every branch, sized by its deposits
| State | Branches | Deposits | Share |
|---|---|---|---|
| Wisconsin | 13 | $752M | 100.0% |
| Largest branches | Place | Deposits |
|---|---|---|
| Industrial Drive Branch | Columbus, WI | $179M |
| Farmers And Merchants Union Bank (main office) | Columbus, WI | $179M |
| American Bank Of Beaver Dam Branch | Beaver Dam, WI | $104M |
| Wisconsin River Bank Branch | Sauk City, WI | $58.8M |
| Friesland Branch | Friesland, WI | $53.1M |
| Northside Branch | Beaver Dam, WI | $36.6M |
| Necedah Branch | Necedah, WI | $28.7M |
| New Juneau Branch | Juneau, WI | $25.4M |
| Lodi Branch | Lodi, WI | $23.1M |
| Janesville Branch | Janesville, WI | $19.5M |
Related pages
Questions and answers
How big is Farmers and Merchants Union Bank?
$872.1 million in total assets and $751.9 million in deposits as of June 30, 2026, with assets up 33.9% from a year before. Its loans were $648.0 million.
How many branches does Farmers and Merchants Union Bank have?
13 branches in Wisconsin as of June 30, 2026.
Is Farmers and Merchants Union Bank profitable?
Yes: it earned $7.23 million from January 1 to June 30, 2026 (up 63.7% from the same months a year before). Its return on assets was 1.76% a year; about 1% is typical.
Who owns Farmers and Merchants Union Bank?
Farmers and Merchants Union Bank is owned by Jewel Box Finl Services Inc, its holding company.
Official public data from the reports every insured bank files each quarter. Profit so far runs from January 1 to the quarter end. Branch deposits are counted once a year, as of June 30. New quarters appear about two months after the quarter ends.