Banks by county in Wisconsin
70 counties in Wisconsin have offices of 2 or more FDIC-insured institutions with deposits, by the FDIC’s newest Summary of Deposits, largest deposits first. A county with one bank is on that bank’s page.
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| County | Deposits | Institutions |
|---|---|---|
| Milwaukee County | $53.9 billion | 27 |
| Dane County | $26.1 billion | 33 |
| Waukesha County | $18.9 billion | 34 |
| Brown County | $13.8 billion | 16 |
| Marathon County | $5.4 billion | 17 |
| Racine County | $4.5 billion | 13 |
| Outagamie County | $4.3 billion | 18 |
| Kenosha County | $3.8 billion | 11 |
| Washington County | $3.7 billion | 13 |
| La Crosse County | $3.7 billion | 17 |
| Rock County | $3.5 billion | 18 |
| Ozaukee County | $3.4 billion | 15 |
| Sheboygan County | $3.0 billion | 13 |
| Fond du Lac County | $2.9 billion | 11 |
| Wood County | $2.7 billion | 13 |
| Winnebago County | $2.5 billion | 16 |
| Walworth County | $2.5 billion | 15 |
| Sauk County | $2.4 billion | 13 |
| Eau Claire County | $2.4 billion | 16 |
| Jefferson County | $2.3 billion | 11 |
| Manitowoc County | $2.2 billion | 8 |
| St. Croix County | $2.1 billion | 12 |
| Columbia County | $2.0 billion | 8 |
| Portage County | $1.6 billion | 15 |
| Dodge County | $1.6 billion | 10 |
| Grant County | $1.5 billion | 10 |
| Green Lake County | $1.5 billion | 6 |
| Green County | $1.4 billion | 7 |
| Barron County | $1.4 billion | 8 |
| Chippewa County | $1.3 billion | 13 |
| Door County | $1.3 billion | 5 |
| Marinette County | $1.2 billion | 6 |
| Oneida County | $1.2 billion | 7 |
| Waupaca County | $1.1 billion | 6 |
| Douglas County | $1.1 billion | 6 |
| Monroe County | $951.8 million | 8 |
| Polk County | $945.4 million | 11 |
| Vilas County | $874.4 million | 11 |
| Calumet County | $834.3 million | 8 |
| Pierce County | $794.4 million | 8 |
| Trempealeau County | $724.4 million | 9 |
| Vernon County | $692.0 million | 7 |
| Kewaunee County | $683.2 million | 2 |
| Taylor County | $660.4 million | 5 |
| Sawyer County | $654.0 million | 5 |
| Shawano County | $640.5 million | 8 |
| Iowa County | $629.6 million | 6 |
| Clark County | $593.2 million | 6 |
| Juneau County | $590.1 million | 4 |
| Lincoln County | $580.4 million | 5 |
| Dunn County | $530.0 million | 7 |
| Crawford County | $524.7 million | 4 |
| Ashland County | $501.6 million | 4 |
| Lafayette County | $493.6 million | 6 |
| Waushara County | $477.8 million | 6 |
| Washburn County | $473.7 million | 5 |
| Burnett County | $451.3 million | 3 |
| Buffalo County | $419.9 million | 4 |
| Rusk County | $401.3 million | 5 |
| Oconto County | $398.3 million | 5 |
| Pepin County | $382.6 million | 3 |
| Bayfield County | $378.4 million | 4 |
| Adams County | $347.7 million | 5 |
| Price County | $296.7 million | 4 |
| Richland County | $284.0 million | 5 |
| Forest County | $262.2 million | 2 |
| Jackson County | $231.2 million | 3 |
| Marquette County | $221.2 million | 4 |
| Langlade County | $164.7 million | 5 |
| Iron County | $139.1 million | 2 |
Sources
- NCUA 5300 Call Report — quarterly data (every credit union, every quarter from March 1994) — National Credit Union Administration · U.S. Government work · retrieved September 27, 2026
- FDIC failures — every bank failure and assistance transaction since 1934 — Federal Deposit Insurance Corporation · Public domain — U.S. Government work
- FDIC summary — insured institutions, offices, assets and deposits by state and year since 1934 · Public domain — U.S. Government work
- FDIC BankFind — institutions (every charter the FDIC has insured, active and inactive) · Public domain — U.S. Government work · retrieved September 30, 2026
- NCUA credit-union sites — Credit Union Branch Information (the newest quarter) — National Credit Union Administration · U.S. Government work · retrieved September 27, 2026
- FDIC BankFind — locations (every current office of an FDIC-insured institution) — Federal Deposit Insurance Corporation · Public domain — U.S. Government work · retrieved September 30, 2026
- FDIC Summary of Deposits — every office's deposits at June 30, 1994 to the newest survey · Public domain — U.S. Government work · retrieved September 27, 2026
- Census Bureau population estimates — nation and states, with components of change — U.S. Census Bureau · U.S. Government work · retrieved September 25, 2026
Compiled automatically from NCUA 5300 Call Report — quarterly data (every credit union, every quarter from March 1994), FDIC failures — every bank failure and assistance transaction since 1934, FDIC summary — insured institutions, offices, assets and deposits by state and year since 1934, FDIC BankFind — institutions (every charter the FDIC has insured, active and inactive), NCUA credit-union sites — Credit Union Branch Information (the newest quarter), FDIC BankFind — locations (every current office of an FDIC-insured institution), FDIC Summary of Deposits — every office's deposits at June 30, 1994 to the newest survey and Census Bureau population estimates — nation and states, with components of change by a checked SQL query · Editor: Kian O'Connor · How this site is built
Data retrieved