Municipality in Ilocos Sur
| LGU Name | San Ildefonso |
|---|---|
| LGU Type | Municipality |
| Old Name | — |
| Is Capital | No |
| Island Group | Luzon |
| Income Class | 1st Class |
| Land Area | 11.35 |
| City or Municipal Code | 012919000 |
| PSGC 10-Digit Code | 0102919000 |
| Population in 2020 | 8,190 |
| Population in 2015 | 7,787 |
| Growth Rate | 1.07% |
| Population Density in 2020 | 722.00 |
| Registered Voters | 5,541 |
| Mayor | Christian Daniel A. Purisima |
| Vice Mayor | Robert R. Riego |
| District Representative | Ronald Singson, Kristine Singson-Meehan |
| District | False |
| ZIP Code | 2728 |
| Resolved Parent | Ilocos Sur |
| Province (Source CSV) | Ilocos Sur |
| City (Source CSV) | San Ildefonso |
| Name | Type | District/Party-list | Party |
|---|---|---|---|
| Ronald Singson | District | 1st | NPC |
| Kristine Singson-Meehan | District | 2nd | NPC |
| Councilor Name | Party |
|---|---|
| Mariano M. Pamo Jr. | — |
| Luzminda D. Padua | — |
| Nelson T. Retreta | — |
| Efren J. Pola | — |
| Renato P. Pecho | — |
| Richard A. Palomares | — |
| Cesar R. Revibes | — |
| Barangay Name | Barangay Code | PSGC 10-Digit | ZIP Code | Barangay Captain | Mobile Phone | Population |
|---|---|---|---|---|---|---|
| Arnap | 012919001 | 0102919001 | 2728 | ALFREDO ANAYEN TAPICERIA | **** | 0 |
| Bahet | 012919002 | 0102919002 | 2728 | ANTONIO PAPAGAYO RAPIN | **** | 0 |
| Belen | 012919003 | 0102919003 | 2728 | REYNALDO SUMANGIL TAPICERIA | **** | 0 |
| Bungro | 012919004 | 0102919004 | 2728 | VICENTE PALOMARES PALOMARES | **** | 0 |
| Busiing Norte | 012919007 | 0102919007 | 2728 | BONIFACIO PESCADOR RAMOS | **** | 0 |
| Busiing Sur | 012919006 | 0102919006 | 2728 | CELSO RIVERA PASTOR JR | **** | 0 |
| Dongalo | 012919009 | 0102919009 | 2728 | FELIPE FERNANDEZ PALPAL-LATOC | **** | 0 |
| Gongogong | 012919010 | 0102919010 | 2728 | EZPERANZA PERINION FETALLERO | **** | 0 |
| Iboy | 012919011 | 0102919011 | 2728 | MARK ANTHONY CASTILLO PAGUD | **** | 0 |
| Kinamantirisan | 012919016 | 0102919016 | 2728 | ROGEL PUZON ARRUEJO | **** | 0 |
| Otol-Patac | 012919013 | 0102919013 | 2728 | ANASTACIA PITA ESPEJO | **** | 0 |
| Poblacion East | 012919014 | 0102919014 | 2728 | RUFINO PALACOL CORREA JR | **** | 0 |
| Poblacion West | 012919015 | 0102919015 | 2728 | RODOLFO TABANGCURA GONZALES | **** | 0 |
| Sagneb | 012919017 | 0102919017 | 2728 | JULIUS CEZAR QUIDAY PALOMARES | **** | 0 |
| Sagsagat | 012919018 | 0102919018 | 2728 | DANILO TABUSO RETRETA | 0967543**** | 0 |