Campaign finance data for California's 31th Congressional District: 5 candidates raised $8.5M.
| # | Candidate | Party | Raised | Spent |
|---|---|---|---|---|
| 1 | AGUILAR, PETE | DEM | $5.9M | $4.8M |
| 2 | HAFIF, GREGORY KEITH | DEM | $827K | $827K |
| 3 | LUTZ, MARY ANN | DEM | $626K | $626K |
| 4 | RUBIO, SUSAN | DEM | $584K | $582K |
| 5 | ARCHULETA, BOB | DEM | $577K | $559K |