Wilmington Savings Fund Society, FSB holds $17.5B in deposits across 13 counties in 4 ranked markets and 5 states. Its deposit footprint is highly concentrated: the top three counties (New Castle County, Philadelphia County, Montgomery County) hold 61% of its deposits, and Delaware accounts for 46% of the total. It ranks among the three largest institutions in 1 of the 13 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. | New Castle County, DE | $6.3B | 35.7% | 1.4% | 20 |
| 2. | Philadelphia County, PA | $2.4B | 13.5% | 3.2% | 11 |
| 3. | Montgomery County, PA | $2.0B | 11.4% | 5.1% | 14 |
| 4. | Delaware County, PA | $2.0B | 11.3% | 12.5% | 12 |
| 5. | Burlington County, NJ | $1.4B | 8.0% | 9.9% | 9 |
| 6. | Chester County, PA | $1.2B | 6.7% | 7.1% | 9 |
| 7. | Kent County, DE | $913M | 5.2% | 31.4% | 5 |
| 8. | Sussex County, DE | $868M | 4.9% | 0.9% | 6 |
| 9. | Bucks County, PA | $354M | 2.0% | 1.4% | 4 |
| 10. | Camden County, NJ | $222M | 1.3% | 1.5% | 2 |
| 11. | Dauphin County, PA | $0M | 0.0% | 0.0% | 1 |
| 12. | Palm Beach County, FL | $0M | 0.0% | 0.0% | 1 |
| 13. | Clark County, NV | $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.