Midland States Bank holds $6.0B in deposits across 23 counties in 6 ranked markets and 2 states. Its deposit footprint is concentrated: the top three counties (Winnebago County, Effingham County, Kankakee County) hold 46% of its deposits, and Illinois accounts for 79% of the total. It ranks among the three largest institutions in 8 of the 23 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. | Winnebago County, IL | $936M | 15.7% | 11.8% | 8 |
| 2. | Effingham County, IL | $933M | 15.7% | 35.6% | 3 |
| 3. | Kankakee County, IL | $856M | 14.4% | 32.6% | 8 |
| 4. | St. Charles County, MO | $847M | 14.2% | 8.5% | 2 |
| 5. | La Salle County, IL | $321M | 5.4% | 8.1% | 4 |
| 6. | Will County, IL | $283M | 4.7% | 1.2% | 4 |
| 7. | St. Louis County, MO | $273M | 4.6% | 0.6% | 7 |
| 8. | Boone County, IL | $218M | 3.7% | 27.2% | 2 |
| 9. | Lee County, IL | $210M | 3.5% | 25.2% | 1 |
| 10. | Whiteside County, IL | $187M | 3.1% | 9.6% | 2 |
| 11. | Bureau County, IL | $163M | 2.7% | 13.6% | 1 |
| 12. | Kendall County, IL | $131M | 2.2% | 4.5% | 2 |
| 13. | Grundy County, IL | $104M | 1.8% | 6.1% | 1 |
| 14. | Monroe County, IL | $91M | 1.5% | 7.7% | 3 |
| 15. | Marion County, IL | $86M | 1.4% | 8.1% | 1 |
| 16. | Champaign County, IL | $57M | 1.0% | 0.8% | 1 |
| 17. | Fayette County, IL | $53M | 0.9% | 8.6% | 2 |
| 18. | St. Clair County, IL | $49M | 0.8% | 0.8% | 1 |
| 19. | Jefferson County, MO | $45M | 0.8% | 1.1% | 1 |
| 20. | Franklin County, MO | $32M | 0.5% | 0.8% | 1 |
| 21. | St. Louis (City) County, MO | $30M | 0.5% | 0.1% | 1 |
| 22. | Bond County, IL | $27M | 0.5% | 6.1% | 1 |
| 23. | Livingston County, IL | $23M | 0.4% | 1.7% | 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.