2020-03-15 Municipales
| Voix | % Total | Nuance | % Exprimée | Liste |
|---|---|---|---|---|
| 70 | 10% | LDVG | 17% | [1] ICI ET ENSEMBLE (il) |
| 49 | 7% | LSOC | 12% | [5] RÉINVENTER CASTELNAU-LE-LEZ (il) |
| 19 | 3% | LDVD | 4% | [3] "Choisissons Castelnau" (il) |
| 111 | 16% | LDVD | 26% | [2] CASTELNAU PASSIONNEMENT-UNION POUR CASTELNAU (il) |
| 174 | 26% | LDVD | 41% | [4] PROTÉGEONS CASTELNAU (il) |
| 3 | 0% | Blanc | ||
| 1 | 0% | Nul | ||
| 247 | 37% | Abstention | ||
| 674 | Total |