The Farmers & Merchants State Bank holds $2.7B in deposits across 17 counties in 6 ranked markets and 3 states. Its deposit footprint is concentrated: the top three counties (Fulton County, Williams County, Adams County) hold 47% of its deposits, and Ohio accounts for 72% of the total. It ranks among the three largest institutions in 7 of the 17 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. | Fulton County, OH | $712M | 26.2% | 51.5% | 5 |
| 2. | Williams County, OH | $327M | 12.0% | 31.6% | 4 |
| 3. | Adams County, IN | $236M | 8.7% | 23.9% | 4 |
| 4. | Lucas County, OH | $185M | 6.8% | 1.6% | 4 |
| 5. | Champaign County, OH | $162M | 6.0% | 24.1% | 1 |
| 6. | Allen County, IN | $161M | 5.9% | 1.8% | 3 |
| 7. | Defiance County, OH | $144M | 5.3% | 10.8% | 2 |
| 8. | Wood County, OH | $144M | 5.3% | 4.8% | 3 |
| 9. | Shelby County, OH | $129M | 4.8% | 9.2% | 3 |
| 10. | Henry County, OH | $115M | 4.2% | 14.4% | 1 |
| 11. | Wells County, IN | $102M | 3.8% | 16.5% | 2 |
| 12. | Dekalb County, IN | $88M | 3.2% | 9.0% | 2 |
| 13. | Steuben County, IN | $74M | 2.7% | 8.5% | 1 |
| 14. | Oakland County, MI | $56M | 2.1% | 0.1% | 1 |
| 15. | Jay County, IN | $32M | 1.2% | 7.0% | 1 |
| 16. | Hancock County, OH | $29M | 1.1% | 1.6% | 1 |
| 17. | Butler County, OH | $17M | 0.6% | 0.2% | 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.