FDIC-insured bank
Marathon Bank — Wausau, WI
Bank headquartered in Wausau, Wisconsin, part of MARATHON BCORP INC.
Source: FDIC BankFind Suite, data as of June 30, 2026, fetched September 5, 2026
Headquarters and contact
| Address | 500 Scott St Wausau, WI 54403 |
| County | Marathon |
| Metro area | Wausau-Weston, WI |
| Website | WWW.MARATHONBANK.COM |
| Phone | not published in FDIC data, see the bank's website |
FDIC record
| FDIC Certificate | 29745 |
| Federal Reserve RSSD ID | 596978 |
| Status | Active |
| Charter class | SI (STATE) |
| Holding company | MARATHON BCORP INC |
| Domestic offices | 5 |
| Financials as of | June 30, 2026 |
How to find your Marathon Bank routing number
FDIC does not publish ABA routing numbers, and many banks use different routing numbers by state or by account type. The reliable places to find yours: the bottom left of a check from this bank, the "account details" screen in its online banking, or its official website at WWW.MARATHONBANK.COM.
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Offices nearest to headquarters
| Marathon Bank main office Wausau, WI |
500 Scott St, 54403 |
| Rothschild Branch Rothschild, WI |
1133 E Grand Ave, 54474 |
| Mosinee Branch Mosinee, WI |
307 3rd St, 54455 |
| Brookfield Branch Brookfield, WI |
19105 W Capitol Drive, 53045 |
| Mequon Branch Mequon, WI |
11315 N Cedarburg Rd, 53092 |
Where Marathon Bank has offices
Cities with the most Marathon Bank offices
Other banks headquartered in Wausau
| IncredibleBank | $2.10 billion |
| Peoples State Bank | $1.50 billion |
Largest banks headquartered elsewhere in Wisconsin
| Associated Bank, National Association Green Bay | $51.76 billion |
| Nicolet National Bank Green Bay | $15.39 billion |
| Johnson Bank Racine | $7.07 billion |
| Bank First, N.A. Manitowoc | $5.94 billion |
| John Deere Financial, f.s.b. Middleton | $4.93 billion |
| Town Bank, National Association Hartland | $4.71 billion |
| First Business Bank Madison | $4.41 billion |
| Lake Ridge Bank Middleton | $3.35 billion |
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