As of January 2010
REGION IV-B
| PROVINCE / CITY / MUNICIPALITY | CITY | MUN | Established Precincts | Registered Voters | No. of Clustered Precincts | |
| REGIONAL TOTAL | 2 | 71 | 9,669 | 1,465,555 | 2,346 | |
| MARINDUQUE | 0 | 6 | 946 | 126,176 | 243 | |
| 1 | Boac | x | 198 | 27,621 | 63 | |
| 2 | Buenavista | x | 90 | 11,786 | 20 | |
| 3 | Gasan | x | 145 | 19,282 | 31 | |
| 4 | Mogpog | x | 133 | 18,917 | 39 | |
| 5 | Santa Cruz | x | 257 | 32,737 | 62 | |
| 6 | Torrijos | x | 123 | 15,833 | 28 | |
| OCCIDENTAL MINDORO | 0 | 11 | 1,469 | 226,971 | 339 | |
| 1 | Abra De Ilog | x | 107 | 14,446 | 21 | |
| 2 | Calintaan | x | 79 | 12,085 | 16 | |
| 3 | Looc | x | 58 | 7,121 | 12 | |
| 4 | Lubang | x | 93 | 15,126 | 23 | |
| 5 | Magsaysay | x | 107 | 16,788 | 28 | |
| 6 | Mamburao | x | 124 | 20,344 | 29 | |
| 7 | Paluan | x | 61 | 8,899 | 16 | |
| 8 | Rizal | x | 123 | 17,426 | 26 | |
| 9 | Sablayan | x | 263 | 35,367 | 56 | |
| 10 | San Jose | x | 348 | 60,552 | 85 | |
| 11 | Santa Cruz | x | 106 | 18,817 | 27 | |
| ORIENTAL MINDORO | 1 | 14 | 2,743 | 407,914 | 629 | |
| 1 | Baco | x | 132 | 18,310 | 34 | |
| 2 | Bansud | x | 126 | 19,617 | 27 | |
| 3 | Bongabong | x | 221 | 33,663 | 50 | |
| 4 | Bulalacao (San Pedro) | x | 123 | 17,087 | 31 | |
| 5 | Calapan City | x | 371 | 66,460 | 97 | |
| 6 | Gloria | x | 176 | 21,771 | 35 | |
| 7 | Mansalay | x | 146 | 21,820 | 30 | |
| 8 | Naujan | x | 348 | 49,279 | 88 | |
| 9 | Pinamalayan | x | 257 | 40,869 | 59 | |
| 10 | Pola | x | 131 | 17,659 | 28 | |
| 11 | Puerto Galera | x | 149 | 19,908 | 28 | |
| 12 | Roxas | x | 152 | 2,5049 | 33 | |
| 13 | San Teodoro | x | 73 | 9,452 | 14 | |
| 14 | Socorro | x | 152 | 20,800 | 33 | |
| 15 | Victoria | x | 186 | 26,170 | 42 | |
| PALAWAN | 1 | 23 | 3,406 | 535,279 | 846 | |
| 1 | Aborlan | x | 125 | 17,995 | 31 | |
| 2 | Agutaya | x | 37 | 5,711 | 12 | |
| 3 | Araceli | x | 46 | 7,525 | 15 | |
| 4 | Balabac | x | 115 | 18,114 | 40 | |
| 5 | Bataraza | x | 214 | 30,361 | 49 | |
| 6 | Brooke's Point | x | 241 | 32,109 | 46 | |
| 7 | Busuanga | x | 66 | 11,144 | 18 | |
| 8 | Cagayancillo | x | 31 | 5,055 | 14 | |
| 9 | Coron | x | 141 | 21,811 | 37 | |
| 10 | Culion | x | 67 | 10,233 | 18 | |
| 11 | Cuyo | x | 75 | 11,350 | 21 | |
| 12 | Dumaran | x | 76 | 11,855 | 27 | |
| 13 | El Nido ( Bacuit ) | x | 136 | 17,910 | 31 | |
| 14 | Kalayaan | x | 2 | 299 | 1 | |
| 15 | Linapacan | x | 51 | 8,275 | 13 | |
| 16 | Magsaysay | x | 49 | 6,527 | 13 | |
| 17 | Narra | x | 235 | 32,455 | 48 | |
| 18 | Puerto Princesa City | x | 746 | 135,417 | 175 | |
| 19 | Quezon | x | 159 | 25,947 | 43 | |
| 20 | Rizal ( Marcos ) | x | 128 | 18,948 | 28 | |
| 21 | Roxas | x | 226 | 36,636 | 58 | |
| 22 | San Vicente | x | 111 | 18,123 | 31 | |
| 23 | Sofronio Española | x | 120 | 17,449 | 24 | |
| 24 | Taytay | x | 209 | 34,030 | 53 | |
| ROMBLON | 0 | 17 | 1,105 | 169,215 | 289 | |
| 1 | Alcantara | x | 53 | 9,029 | 14 | |
| 2 | Banton | x | 28 | 3,547 | 18 | |
| 3 | Cajidiocan | x | 79 | 12,109 | 19 | |
| 4 | Calatrava | x | 38 | 5,841 | 10 | |
| 5 | Concepcion | x | 19 | 2,877 | 9 | |
| 6 | Corcuera | x | 49 | 5,974 | 16 | |
| 7 | Ferrol | x | 30 | 5,101 | 8 | |
| 8 | Looc | x | 90 | 13,770 | 19 | |
| 9 | Magdiwang | x | 58 | 7,934 | 11 | |
| 10 | Odiongan | x | 161 | 26,646 | 40 | |
| 11 | Romblon | x | 127 | 21,473 | 38 | |
| 12 | San Agustin | x | 86 | 12,320 | 22 | |
| 13 | San Andres | x | 56 | 9,082 | 15 | |
| 14 | San Fernando | x | 101 | 13,500 | 20 | |
| 15 | San Jose | x | 35 | 5,998 | 8 | |
| 16 | Santa Fe | x | 51 | 8,737 | 14 | |
| 17 | Santa Maria ( Imelda ) | x | 44 | 5,277 | 8 | |
| POSTED: 04.12.2010 LTO, Updated: 01.24.12 JJSH |