First Merchants Bank holds $14.9B in deposits across 37 counties in 9 ranked markets and 3 states. Its deposit footprint is broadly distributed: the top three counties (Hamilton County, Delaware County, Marion County) hold 33% of its deposits, and Indiana accounts for 79% of the total. It ranks among the three largest institutions in 16 of the 37 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. | Hamilton County, IN | $1.9B | 12.7% | 6.7% | 6 |
| 2. | Delaware County, IN | $1.8B | 12.1% | 59.0% | 7 |
| 3. | Marion County, IN | $1.2B | 8.3% | 2.9% | 3 |
| 4. | Monroe County, MI | $1.1B | 7.1% | 42.4% | 9 |
| 5. | Lake County, IN | $1.0B | 6.9% | 6.8% | 8 |
| 6. | Tippecanoe County, IN | $888M | 6.0% | 22.7% | 6 |
| 7. | Allen County, IN | $831M | 5.6% | 9.1% | 7 |
| 8. | Franklin County, OH | $660M | 4.4% | 0.7% | 9 |
| 9. | Oakland County, MI | $649M | 4.4% | 0.8% | 9 |
| 10. | Madison County, IN | $566M | 3.8% | 30.0% | 4 |
| 11. | Hendricks County, IN | $481M | 3.2% | 10.2% | 3 |
| 12. | Wayne County, MI | $415M | 2.8% | 0.5% | 7 |
| 13. | Jasper County, IN | $332M | 2.2% | 35.4% | 3 |
| 14. | Henry County, IN | $308M | 2.1% | 36.1% | 2 |
| 15. | Johnson County, IN | $267M | 1.8% | 6.9% | 3 |
| 16. | Washtenaw County, MI | $247M | 1.7% | 2.1% | 4 |
| 17. | White County, IN | $246M | 1.7% | 33.5% | 1 |
| 18. | Jay County, IN | $238M | 1.6% | 51.5% | 2 |
| 19. | Hancock County, IN | $229M | 1.5% | 14.4% | 2 |
| 20. | Morgan County, IN | $179M | 1.2% | 12.3% | 2 |
| 21. | Porter County, IN | $148M | 1.0% | 3.2% | 1 |
| 22. | Adams County, IN | $124M | 0.8% | 12.6% | 1 |
| 23. | Shelby County, IN | $121M | 0.8% | 5.0% | 1 |
| 24. | Randolph County, IN | $105M | 0.7% | 15.6% | 1 |
| 25. | Macomb County, MI | $98M | 0.7% | 0.5% | 1 |
| 26. | Clinton County, IN | $97M | 0.7% | 13.7% | 1 |
| 27. | Wells County, IN | $95M | 0.6% | 15.4% | 1 |
| 28. | Wabash County, IN | $82M | 0.5% | 13.6% | 1 |
| 29. | Huntington County, IN | $68M | 0.5% | 7.5% | 1 |
| 30. | Kent County, MI | $66M | 0.4% | 0.3% | 1 |
| 31. | Union County, IN | $64M | 0.4% | 50.6% | 1 |
| 32. | Marshall County, IN | $64M | 0.4% | 5.9% | 1 |
| 33. | Carroll County, IN | $51M | 0.3% | 12.7% | 1 |
| 34. | Montgomery County, IN | $50M | 0.3% | 5.6% | 1 |
| 35. | Miami County, IN | $41M | 0.3% | 4.4% | 1 |
| 36. | Fayette County, IN | $36M | 0.2% | 7.5% | 1 |
| 37. | St. Joseph County, IN | $0M | 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.