| 1 | Del-One Federal Credit Union | Dover, DE | $984.4M | 92,957 | 0.87% |
| 2 | Dover Federal Credit Union | Dover, DE | $734.9M | 42,909 | 0.29% |
| 3 | Tidemark Federal Credit Union | Seaford, DE | $470.8M | 22,105 | 0.32% |
| 4 | Dexsta Federal Credit Union | Wilmington, DE | $435.5M | 34,253 | 0.42% |
| 5 | Community Powered Federal Credit Union | Bear, DE | $145.5M | 11,392 | 1.10% |
| 6 | Delaware State Police Federal Credit Union | Georgetown, DE | $139.3M | 7,805 | 0.55% |
| 7 | Eagle One Federal Credit Union | Claymont, DE | $93.9M | 9,575 | 0.59% |
| 8 | American Spirit Federal Credit Union | Newark, DE | $69.5M | 12,122 | -0.62% |
| 9 | Edu Federal Credit Union | New Castle, DE | $44.1M | 8,036 | -0.03% |
| 10 | New Castle County Delaware Em Federal Credit Union | New Castle, DE | $32.1M | 2,359 | 1.42% |
| 11 | Priority Plus Federal Credit Union | Wilmington, DE | $22.9M | 1,922 | -0.06% |
| 12 | Wilmington Police & Fire Federal Credit Union | Wilmington, DE | $13.8M | 3,949 | -0.66% |
| 13 | Provident Federal Credit Union | Dover, DE | $12.0M | 1,621 | -1.57% |
| 14 | Stepping Stones Community Federal Credit Union | Wilmington, DE | $8.5M | 2,722 | 20.09% |
| 15 | Delaware River & Bay Auth Emp Federal Credit Union | New Castle, DE | $4.2M | 380 | 1.36% |