Lists · Deposits by metro area
Beaver Dam, WI Metro Area Bank Deposit Market Share
Horicon Bank holds the largest share of deposits in the Beaver Dam, WI metro area, 38.8%, followed by Farmers & Merchants Union Bank (11.4%) and BMO Bank N.A. (9.9%). 10 institutions hold $1.58B at 26 offices as of June 30, 2026, up 7.2% from 2025.
Largest share changes since 2025
Gained: Farmers & Merchants Union Bank (10.00 points); Ergo Bank (1.78 points); State Bank of Reeseville (0.40 points).
Lost: BMO Bank N.A. (-1.16 points); National Exchange Bank and Trust (-0.41 points); Fox Valley Savings Bank (-0.31 points).
| # | Institution | Deposits | Market share | Share change from 2025 |
|---|---|---|---|---|
| 1 | Horicon Bank | $613.3M | 38.84% | -0.21 pts |
| 2 | Farmers & Merchants Union Bank | $179.6M | 11.37% | +10.00 pts |
| 3 | BMO Bank N.A. | $156.6M | 9.92% | -1.16 pts |
| 4 | State Bank of Reeseville | $139.6M | 8.84% | +0.40 pts |
| 5 | National Exchange Bank and Trust | $116.8M | 7.40% | -0.41 pts |
| 6 | Associated Bank, N.A. | $90.2M | 5.71% | +0.05 pts |
| 7 | Ergo Bank | $82.6M | 5.23% | +1.78 pts |
| 8 | Mayville Savings Bank | $72.9M | 4.62% | +0.12 pts |
| 9 | Fox Valley Savings Bank | $69.3M | 4.39% | -0.31 pts |
| 10 | Hustisford State Bank | $58.3M | 3.69% | -0.13 pts |
About this list
Deposits are those held at each institution's offices in Beaver Dam, WI (the Census Bureau core based statistical area) as of June 30, 2026, from the FDIC Summary of Deposits, whatever state the institution is headquartered in. Market share is the institution's deposits divided by all deposits in the market. Shares are by bank charter, not rolled up to the holding company, and cover FDIC-insured institutions only, so credit unions are not included. Each office is placed in its county and metro area by the FDIC branch directory; the few offices the directory does not list are left out of the market and of every share.
Share change compares the institution's share in 2025 and 2026 in percentage points. Deposit change compares its deposits here in the two years and includes deposits that moved through mergers and branch sales; "New" means it had no offices here a year earlier. Offices that closed during the year are placed by their ZIP code or city.
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