Skip to content

Bank · FDIC insured

Farmers & Merchants Union Bank

A $872.1M bank headquartered in Columbus, WI, with 13 branches in Wisconsin. Best rates: CDs 4.04% and savings 0.75% APY.

Farmers & Merchants Union Bank Carrot Score

79

Carrot Score

Higher than 49% of U.S. banks and credit unions

LowestMiddleHighest

#15 of 39 in Madison, WI metroHow the score works →

Deposits are federally insured by the FDIC up to $250,000 per depositor.

About Farmers & Merchants Union Bank

Founded in 1861 in Columbus, Farmers & Merchants Union Bank operates thirteen locations across communities including Beaver Dam, Janesville, and Sauk City.

The bank expanded by acquiring Wisconsin River Bank in 2025 and American Bank of Beaver Dam in 2026.

Headquarters
159 W James St, Columbus, WI 53925
FDIC certificate
14445 ↗
Visit institution website ↗

13 branches in Wisconsin

Loading map…

Walk-in offices from the FDIC directory as of September 4, 2026. Directions open Google Maps. A nearby branch doesn’t mean you can join or open an account.