Gipuzkoa is a province in the autonomous community of the Basque Country, Spain. It is divided into 88 municipalities.
| Basque Name | Castillian Name[1] | Population 2001 Census[2] | Population 2011 Census[3] | Population 2021 Census[4] | |
|---|---|---|---|---|---|
| Abalcisqueta | 277 | 320 | 312 | ||
| 333 | 451 | 482 | |||
| Aya | 1,610 | 2,024 | 2,056 | ||
| Aizarnazábal | 531 | 761 | 795 | ||
| Albístur | 287 | 313 | 316 | ||
| Alegría de Oria | 1,583 | 1,763 | 1,762 | ||
| Alquiza | 264 | 365 | 362 | ||
| Alzaga | 106 | 161 | 177 | ||
| Alzo | 326 | 407 | 447 | ||
| Amézqueta | 980 | 969 | 945 | ||
| Andoáin | 13,814 | 14,633 | 14,631 | ||
| 1,709 | 1,836 | 2,086 | |||
| Anzuola | 1,899 | 2,153 | 2,081 | ||
| 163 | 198 | 200 | |||
| Arechavaleta | 6,184 | 6,808 | 7,108 | ||
| Arrasate | 23,118 | 21,975 | 21,867 | ||
| 1,290 | 1,500 | 1,549 | |||
| 3,751 | 4,900 | 7,185 | |||
| 1,557 | 1,680 | 1,697 | |||
| Azcoitia | 10,272 | 11,394 | 11,657 | ||
| 13,708 | 14,429 | 15,191 | |||
| 97 | 125 | 153 | |||
| Beasáin | 12,108 | 13,719 | 13,949 | ||
| 160 | 176 | 144 | |||
| Belaunza | 285 | 287 | 253 | ||
| Berástegui | 973 | 1,057 | 1,099 | ||
| Vergara | 14,965 | 14,610 | 14,584 | ||
| 566 | 568 | 598 | |||
| Bidegoyan | 427 | 536 | 534 | ||
| Deva | 5,185 | 5,402 | 5,441 | ||
| San Sebastián | 178,377 | 185,512 | 188,102 | ||
| Éibar | 28,219 | 27,382 | 27,467 | ||
| Elduayen | 210 | 232 | 244 | ||
| Elgueta | 974 | 1,108 | 1,141 | ||
| Elgóibar | 10,440 | 11,364 | 11,464 | ||
| Rentería | 38,224 | 39,228 | 39,219 | ||
| Régil | 615 | 612 | 578 | ||
| Escoriaza | 3,925 | 4,032 | 4,131 | ||
| Ezquioga-Ichaso | 544 | 625 | 614 | ||
| Gaviria | 422 | 483 | 502 | ||
| Gaínza | 133 | 124 | 126 | ||
| 152 | 163 | 173 | |||
| Guetaria | 2,406 | 2,659 | 2,794 | ||
| 18,287 | 19,260 | 20,362 | |||
| 286 | 359 | 321 | |||
| Fuenterrabía | 15,044 | 16,391 | 16,852 | ||
| 4,208 | 4,273 | 4,220 | |||
| Idiazábal | 2,082 | 2,264 | 2,281 | ||
| Icazteguieta | 377 | 469 | 485 | ||
| Irún | 56,601 | 60,747 | 62,933 | ||
| 910 | 1,626 | 1,877 | |||
| Isasondo | 576 | 675 | 658 | ||
| 145 | 237 | 259 | |||
| 17,195 | 17,830 | 18,893 | |||
| Lazcano | 4,920 | 5,406 | 6,007 | ||
| 367 | 388 | 380 | |||
| Legazpia | 8,741 | 8,620 | 8,367 | ||
| 1,351 | 1,478 | 1,440 | |||
| Salinas de Léniz | 240 | 253 | 211 | ||
| 5,834 | 6,011 | 6,062 | |||
| Lizarza | 581 | 648 | 625 | ||
| 1,444 | 1,960 | 1,983 | |||
| 158 | 255 | 256 | |||
| Motrico | 4,775 | 5,053 | 5,284 | ||
| Oyarzun | 9,179 | 10,012 | 10,291 | ||
| Olaberría | 904 | 936 | 938 | ||
| Oñate | 10,705 | 11,087 | 11,428 | ||
| Ordicia | 8,938 | 9,751 | 10,420 | ||
| Orendáin | 143 | 180 | 230 | ||
| Oreja | 83 | 123 | 117 | ||
| 4,421 | 5,319 | 6,096 | |||
| Ormáiztegui | 1,170 | 1,318 | 1,248 | ||
| Pasajes | 15,962 | 15,727 | 15,867 | ||
| 1,225 | 1,460 | 1,461 | |||
| Placencia de las Armas | 4,165 | 3,973 | 3,903 | ||
| 17,642 | 18,389 | 19,795 | |||
| 5,518 | 6,191 | 6,197 | |||
| Villarreal de Urrechua | 6,550 | 6,927 | 6,773 | ||
| Usúrbil | 5,257 | 6,070 | 6,132 | ||
| 5,672 | 5,858 | 5,864 | |||
| Zaldivia | 1,490 | 1,504 | 1,636 | ||
| Zarauz | 21,078 | 22,513 | 23,271 | ||
| Cegama | 1,294 | 1,539 | 1,550 | ||
| Ceráin | 254 | 266 | 282 | ||
| Cestona | 3,100 | 3,631 | 3,769 | ||
| Cizúrquil | 2,820 | 2,854 | 3,001 | ||
| Zumaya | 8,527 | 9,538 | 10,124 | ||
| Zumárraga | 10,175 | 10,005 | 9,668 |