Here is the partial and unofficial result of the 2025 election in Ilocos Sur Province with a voting population of 487,233.

Results as of May 15, 2025:

For Governor:
SINGSON, JERRY (BILEG) 328,528

For Vice Governor:
SINGSON, RYAN (BILEG) 331,144

For Congressman (First District)
SINGSON, RONALD (NPC) 143,361
SAVELLANO, CHARLES (IND) 11,854

For Congressman (Second District)
SINGSON, KRISTINE (NPC) 163,262
VERZOSA, ROQUE JR. (IND) 76,181

For Board Member (First District)
MEDINA-FARIÑAS, JANINA (BILEG) 107,643
OANDASAN, DOC ART (BILEG) 102,639
RANCHES, THIRD (BILEG) 100,886
RAFANAN, KING RAMBO (BILEG) 100,275
BATERINA, MAING (BILEG) 94,876

For Board Member (Second District)
SINGSON, ERICSON (PFP) 137,381
MAGGAY, BEN (BILEG) 122,435
ZARAGOZA, FAYINNA PILAR (BILEG) 119,489
GIRONELLA, BOY (BILEG) 113,444
SANIDAD, PABLITO JR. (BILEG) 110,817
ABAYA, JUAN JR. (IND) 62,262

Go here to see 2025 election result in:
Candon City
Vigan City

Alilem
Banayoyo
Bantay
Burgos
Cabugao
Caoayan
Cervantes
Galimuyod
Gregorio Del Pilar
Lidlidda
Magsingal
Nagbukel
Narvacan
Quirino (Angkaki)
Salcedo (Baugen)
San Emilio
San Esteban
San Ildefonso
San Juan
San Vicente
Santa
Santa Catalina
Santa Cruz
Santa Lucia
Santa Maria
Santiago
Santo Domingo
Sigay
Sinait
Sugpon
Suyo
Tagudin