| Name | Status | Population census 1975-02-20 | Population census 1982-03-04 | Population census 1990-03-05 | Population census 1999-03-08 | Population estimate 2006-01-01 | Population estimate 2010-01-01 | |
|---|---|---|---|---|---|---|---|---|
| Saint-Germain-en-Laye | Arrondissement | 472,060 | 488,255 | 516,593 | 528,320 | 546,627 | 553,208 | o |
| Yvelines | Department | 1,082,255 | 1,196,111 | 1,307,150 | 1,354,304 | 1,395,804 | 1,408,765 |
| Name | Status | Population census 1975-02-20 | Population census 1982-03-04 | Population census 1990-03-05 | Population census 1999-03-08 | Population estimate 2006-01-01 | Population estimate 2010-01-01 | |
|---|---|---|---|---|---|---|---|---|
| Achères | Commune | 15,172 | 15,351 | 15,039 | 18,942 | 19,850 | 19,626 | o |
| Aigremont | Commune | 406 | 864 | 914 | 873 | 1,063 | 1,099 | o |
| Andrésy | Commune | 8,927 | 11,185 | 12,548 | 12,485 | 12,558 | 12,174 | o |
| Bailly | Commune | 1,885 | 3,679 | 4,145 | 4,094 | 4,022 | 3,914 | o |
| Bougival | Commune | 8,599 | 8,473 | 8,552 | 8,432 | 8,418 | 8,447 | o |
| Carrières-sous-Poissy | Commune | 10,324 | 10,244 | 11,353 | 13,472 | 13,968 | 15,234 | o |
| Carrières-sur-Seine | Commune | 11,733 | 11,399 | 11,469 | 12,050 | 15,450 | 15,473 | o |
| Chambourcy | Commune | 4,763 | 5,052 | 5,163 | 5,077 | 5,812 | 5,872 | o |
| Chanteloup-les-Vignes | Commune | 4,616 | 10,297 | 10,175 | 9,544 | 8,924 | 9,626 | o |
| Chatou | Commune | 26,550 | 28,437 | 27,977 | 28,588 | 29,472 | 30,173 | o |
| Chavenay | Commune | 1,442 | 1,629 | 1,727 | 1,752 | 1,840 | 1,863 | o |
| Conflans-Sainte-Honorine | Commune | 31,066 | 28,977 | 31,467 | 33,327 | 33,671 | 35,380 | o |
| Crespières | Commune | 1,012 | 1,412 | 1,506 | 1,466 | 1,642 | 1,574 | o |
| Croissy-sur-Seine | Commune | 6,845 | 7,090 | 9,098 | 9,835 | 10,067 | 10,048 | o |
| Davron | Commune | 233 | 259 | 231 | 303 | 390 | 340 | o |
| Feucherolles | Commune | 2,052 | 2,178 | 2,699 | 2,806 | 2,996 | 2,908 | o |
| Fourqueux | Commune | 2,029 | 2,307 | 4,053 | 4,161 | 4,204 | 4,085 | o |
| Houilles | Commune | 30,345 | 29,537 | 29,650 | 29,634 | 30,835 | 31,557 | o |
| La Celle-Saint-Cloud | Commune | 25,696 | 23,326 | 22,834 | 21,527 | 21,202 | 20,971 | o |
| Le Mesnil-le-Roi | Commune | 5,680 | 5,557 | 6,206 | 6,207 | 6,386 | 6,415 | o |
| Le Pecq | Commune | 17,584 | 17,196 | 17,006 | 16,318 | 15,690 | 16,496 | o |
| Le Port-Marly | Commune | 3,921 | 3,518 | 4,181 | 4,412 | 4,608 | 4,803 | o |
| Les Alluets-le-Roi | Commune | 632 | 826 | 1,062 | 1,270 | 1,209 | 1,203 | o |
| L'Étang-la-Ville | Commune | 4,321 | 4,361 | 4,567 | 4,496 | 4,742 | 4,769 | o |
| Le Vésinet | Commune | 17,986 | 17,272 | 15,945 | 15,921 | 16,419 | 16,249 | o |
| Louveciennes | Commune | 7,488 | 7,338 | 7,446 | 7,111 | 7,234 | 7,245 | o |
| Maisons-Laffitte | Commune | 23,504 | 22,595 | 22,173 | 21,856 | 22,566 | 22,817 | o |
| Mareil-Marly | Commune | 2,542 | 3,054 | 3,074 | 3,180 | 3,430 | 3,517 | o |
| Marly-le-Roi | Commune | 16,103 | 17,257 | 16,741 | 16,759 | 16,655 | 16,614 | o |
| Maurecourt | Commune | 2,870 | 2,730 | 3,359 | 3,493 | 4,057 | 4,302 | o |
| Médan | Commune | 968 | 1,068 | 1,387 | 1,393 | 1,475 | 1,456 | o |
| Montesson | Commune | 9,494 | 11,192 | 12,365 | 13,750 | 14,760 | 15,193 | o |
| Morainvilliers | Commune | 1,286 | 1,428 | 1,614 | 2,193 | 2,362 | 2,399 | o |
| Noisy-le-Roi | Commune | 5,587 | 5,572 | 8,095 | 7,718 | 8,087 | 7,811 | o |
| Orgeval | Commune | 3,236 | 3,936 | 4,509 | 4,801 | 5,456 | 5,855 | o |
| Poissy | Commune | 37,497 | 36,389 | 36,745 | 35,841 | 35,860 | 37,680 | o |
| Rennemoulin | Commune | 107 | 114 | 122 | 128 | 137 | 111 | o |
| Saint-Germain-en-Laye | Commune | 37,509 | 38,499 | 39,926 | 38,423 | 41,312 | 40,481 | o |
| Saint-Nom-la-Bretèche | Commune | 2,997 | 3,567 | 5,071 | 4,966 | 4,845 | 5,147 | o |
| Sartrouville | Commune | 42,253 | 46,197 | 50,329 | 50,219 | 51,600 | 51,150 | o |
| Triel-sur-Seine | Commune | 6,944 | 7,882 | 9,615 | 11,097 | 11,834 | 11,598 | o |
| Verneuil-sur-Seine | Commune | 9,988 | 11,303 | 12,499 | 14,538 | 15,408 | 15,178 | o |
| Vernouillet | Commune | 6,168 | 6,424 | 8,676 | 9,471 | 9,239 | 9,399 | o |
| Villennes-sur-Seine | Commune | 3,323 | 3,886 | 4,504 | 4,790 | 5,013 | 5,085 | o |
| Villepreux | Commune | 8,377 | 7,398 | 8,776 | 9,601 | 9,859 | 9,871 | o |
Source: Institut National de la Statistique et des Études Économiques, France (web).
Communes in the boundaries of 2012-01-01.
Since 2006, France computes the population from the census results of different years.
2013-01-01WWW.CITYPOPULATION.DE