Associated Bank holds $34.2B in deposits across 64 counties in 15 ranked markets and 4 states. Its deposit footprint is concentrated: the top three counties (Brown County, Milwaukee County, Cook County) hold 48% of its deposits, and Wisconsin accounts for 76% of the total. It ranks among the three largest institutions in 29 of the 64 counties where it operates.
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Data as of June 30, 2025 (FDIC Summary of Deposits)
| County | Deposits | County’s % of Bank’s Deposits | Bank’s % of County Deposits | Branches | |
|---|---|---|---|---|---|
| 1. | Brown County, WI | $7.4B | 21.6% | 51.7% | 11 |
| 2. | Milwaukee County, WI | $5.7B | 16.7% | 10.9% | 18 |
| 3. | Cook County, IL | $3.3B | 9.8% | 0.8% | 6 |
| 4. | Dane County, WI | $2.6B | 7.5% | 10.0% | 11 |
| 5. | Waukesha County, WI | $1.6B | 4.8% | 9.0% | 13 |
| 6. | Hennepin County, MN | $783M | 2.3% | 0.6% | 7 |
| 7. | Winnebago County, IL | $679M | 2.0% | 8.6% | 5 |
| 8. | Ramsey County, MN | $668M | 2.0% | 1.0% | 1 |
| 9. | Outagamie County, WI | $586M | 1.7% | 13.7% | 4 |
| 10. | Marathon County, WI | $577M | 1.7% | 11.0% | 2 |
| 11. | Winnebago County, WI | $544M | 1.6% | 22.1% | 5 |
| 12. | St. Clair County, IL | $469M | 1.4% | 8.1% | 3 |
| 13. | Wood County, WI | $464M | 1.4% | 17.9% | 3 |
| 14. | La Crosse County, WI | $454M | 1.3% | 12.7% | 4 |
| 15. | Kane County, IL | $404M | 1.2% | 2.7% | 5 |
| 16. | Washington County, WI | $399M | 1.2% | 10.9% | 3 |
| 17. | Rock County, WI | $380M | 1.1% | 10.9% | 2 |
| 18. | St. Croix County, WI | $358M | 1.0% | 16.9% | 3 |
| 19. | Ozaukee County, WI | $353M | 1.0% | 10.8% | 3 |
| 20. | Columbia County, WI | $336M | 1.0% | 17.2% | 3 |
| 21. | Eau Claire County, WI | $325M | 1.0% | 13.5% | 2 |
| 22. | Madison County, IL | $320M | 0.9% | 4.9% | 3 |
| 23. | Manitowoc County, WI | $283M | 0.8% | 14.2% | 2 |
| 24. | Oneida County, WI | $278M | 0.8% | 24.2% | 2 |
| 25. | Portage County, WI | $271M | 0.8% | 17.3% | 4 |
| 26. | Sheboygan County, WI | $270M | 0.8% | 9.3% | 1 |
| 27. | Walworth County, WI | $263M | 0.8% | 10.9% | 3 |
| 28. | Racine County, WI | $261M | 0.8% | 5.6% | 3 |
| 29. | Dakota County, MN | $260M | 0.8% | 2.6% | 3 |
| 30. | Door County, WI | $247M | 0.7% | 20.0% | 3 |
| 31. | Olmsted County, MN | $216M | 0.6% | 4.0% | 3 |
| 32. | Marinette County, WI | $207M | 0.6% | 16.7% | 3 |
| 33. | Shawano County, WI | $172M | 0.5% | 26.6% | 2 |
| 34. | Mchenry County, IL | $167M | 0.5% | 1.8% | 2 |
| 35. | Lake County, IL | $167M | 0.5% | 0.5% | 3 |
| 36. | Jefferson County, WI | $161M | 0.5% | 8.4% | 2 |
| 37. | Kenosha County, WI | $154M | 0.5% | 4.3% | 2 |
| 38. | Macoupin County, IL | $151M | 0.4% | 11.5% | 1 |
| 39. | Fond Du Lac County, WI | $135M | 0.4% | 4.6% | 2 |
| 40. | Vilas County, WI | $130M | 0.4% | 15.6% | 2 |
| 41. | Chisago County, MN | $125M | 0.4% | 16.5% | 1 |
| 42. | Goodhue County, MN | $116M | 0.3% | 8.2% | 1 |
| 43. | Ashland County, WI | $111M | 0.3% | 23.3% | 1 |
| 44. | Washington County, MN | $111M | 0.3% | 1.7% | 1 |
| 45. | Iron County, WI | $100M | 0.3% | 81.1% | 2 |
| 46. | Sauk County, WI | $94M | 0.3% | 4.3% | 1 |
| 47. | Oconto County, WI | $92M | 0.3% | 24.7% | 1 |
| 48. | Pierce County, WI | $91M | 0.3% | 11.7% | 1 |
| 49. | Chippewa County, WI | $88M | 0.3% | 7.2% | 2 |
| 50. | Dodge County, WI | $83M | 0.2% | 5.7% | 1 |
| 51. | Monroe County, IL | $79M | 0.2% | 6.6% | 1 |
| 52. | Sawyer County, WI | $75M | 0.2% | 12.5% | 1 |
| 53. | Lincoln County, WI | $74M | 0.2% | 13.0% | 1 |
| 54. | Waushara County, WI | $71M | 0.2% | 17.5% | 1 |
| 55. | Waupaca County, WI | $53M | 0.2% | 4.8% | 1 |
| 56. | Dupage County, IL | $51M | 0.1% | 0.1% | 1 |
| 57. | Forest County, WI | $49M | 0.1% | 19.5% | 1 |
| 58. | Scott County, MN | $46M | 0.1% | 1.8% | 1 |
| 59. | Vernon County, WI | $43M | 0.1% | 6.4% | 1 |
| 60. | Taylor County, WI | $40M | 0.1% | 6.8% | 1 |
| 61. | Barron County, WI | $37M | 0.1% | 2.6% | 1 |
| 62. | Price County, WI | $34M | 0.1% | 12.2% | 1 |
| 63. | Langlade County, WI | $19M | 0.1% | 13.4% | 1 |
| 64. | St. Louis County, MO | $8M | 0.0% | 0.0% | 1 |
Deposits are as reported to the FDIC at branch level, June 30, 2025, and are nominal. “County’s % of Bank’s Deposits” is this county’s share of the institution’s total deposits; “Bank’s % of County Deposits” is this institution’s deposits as a percent of all deposits booked in that county. Counties within a Combined or Metropolitan Statistical Area link to their full profile; other counties are shown for completeness.
All 293 markets and the 1,533 counties within a CSA or MSA are covered in the Market Intelligence resource. See the methodology for how each figure is built and when to expect updates.