| 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 | |
|---|---|---|---|---|---|---|---|---|
| Lannion | Arrondissement | 88,338 | 91,295 | 91,357 | 93,105 | 98,171 | 100,953 | o |
| Côtes-d'Armor | Department | 525,556 | 538,869 | 538,395 | 542,373 | 570,861 | 591,641 |
| 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 | |
|---|---|---|---|---|---|---|---|---|
| Berhet | Commune | 187 | 181 | 217 | 211 | 210 | 225 | o |
| Camlez | Commune | 578 | 692 | 731 | 711 | 766 | 853 | o |
| Caouënnec-Lanvézéac | Commune | 472 | 614 | 582 | 628 | 790 | 879 | o |
| Cavan | Commune | 854 | 1,025 | 1,080 | 1,129 | 1,351 | 1,419 | o |
| Coatascorn | Commune | 244 | 211 | 209 | 226 | 249 | 251 | o |
| Coatréven | Commune | 378 | 364 | 415 | 382 | 413 | 437 | o |
| Hengoat | Commune | 318 | 256 | 214 | 166 | 222 | 203 | o |
| Kerbors | Commune | 368 | 318 | 321 | 329 | 355 | 312 | o |
| Kermaria-Sulard | Commune | 460 | 632 | 648 | 745 | 911 | 979 | o |
| Langoat | Commune | 941 | 894 | 942 | 1,057 | 1,148 | 1,124 | o |
| Lanmérin | Commune | 245 | 286 | 328 | 331 | 424 | 495 | o |
| Lanmodez | Commune | 394 | 392 | 392 | 431 | 420 | 461 | o |
| Lannion | Commune | 16,867 | 16,641 | 16,958 | 18,368 | 19,459 | 20,079 | o |
| Lanvellec | Commune | 582 | 590 | 594 | 537 | 549 | 551 | o |
| La Roche-Derrien | Commune | 971 | 963 | 883 | 1,012 | 1,086 | 1,010 | o |
| Le Vieux-Marché | Commune | 1,421 | 1,289 | 1,187 | 1,108 | 1,117 | 1,274 | o |
| Lézardrieux | Commune | 1,834 | 1,859 | 1,707 | 1,629 | 1,577 | 1,601 | o |
| Loguivy-Plougras | Commune | 1,367 | 1,190 | 1,021 | 1,002 | 963 | 950 | o |
| Louannec | Commune | 1,619 | 2,191 | 2,195 | 2,384 | 2,794 | 3,017 | o |
| Mantallot | Commune | 144 | 132 | 163 | 171 | 165 | 213 | o |
| Minihy-Tréguier | Commune | 673 | 790 | 1,024 | 1,063 | 1,089 | 1,103 | o |
| Penvénan | Commune | 2,614 | 2,450 | 2,489 | 2,434 | 2,562 | 2,620 | o |
| Perros-Guirec | Commune | 7,773 | 7,496 | 7,497 | 7,614 | 7,369 | 7,511 | o |
| Plestin-les-Grèves | Commune | 3,018 | 3,222 | 3,237 | 3,415 | 3,615 | 3,616 | o |
| Pleubian | Commune | 3,401 | 3,293 | 2,963 | 2,691 | 2,532 | 2,533 | o |
| Pleudaniel | Commune | 973 | 947 | 936 | 996 | 994 | 980 | o |
| Pleumeur-Bodou | Commune | 2,941 | 3,453 | 3,677 | 3,825 | 3,974 | 4,050 | o |
| Pleumeur-Gautier | Commune | 1,250 | 1,161 | 1,171 | 1,140 | 1,139 | 1,180 | o |
| Plouaret | Commune | 2,134 | 2,239 | 2,099 | 2,109 | 2,206 | 2,189 | o |
| Ploubezre | Commune | 2,196 | 2,652 | 2,709 | 2,624 | 2,922 | 3,376 | o |
| Plougras | Commune | 592 | 530 | 498 | 495 | 465 | 441 | o |
| Plougrescant | Commune | 1,557 | 1,556 | 1,471 | 1,402 | 1,359 | 1,349 | o |
| Plouguiel | Commune | 2,058 | 2,022 | 2,056 | 1,858 | 1,990 | 1,840 | o |
| Ploulec'h | Commune | 853 | 1,229 | 1,404 | 1,466 | 1,620 | 1,678 | o |
| Ploumilliau | Commune | 1,865 | 2,100 | 2,223 | 2,173 | 2,449 | 2,550 | o |
| Plounérin | Commune | 701 | 689 | 649 | 696 | 736 | 749 | o |
| Plounévez-Moëdec | Commune | 1,890 | 1,641 | 1,482 | 1,347 | 1,413 | 1,442 | o |
| Plouzélambre | Commune | 216 | 231 | 208 | 217 | 210 | 220 | o |
| Plufur | Commune | 562 | 534 | 520 | 518 | 540 | 558 | o |
| Pluzunet | Commune | 1,058 | 1,036 | 1,021 | 986 | 1,009 | 1,019 | o |
| Pommerit-Jaudy | Commune | 958 | 959 | 972 | 990 | 1,162 | 1,266 | o |
| Pouldouran | Commune | 162 | 145 | 146 | 160 | 145 | 165 | o |
| Prat | Commune | 1,070 | 1,098 | 1,027 | 1,017 | 1,112 | 1,144 | o |
| Quemperven | Commune | 324 | 340 | 350 | 357 | 366 | 390 | o |
| Rospez | Commune | 1,163 | 1,630 | 1,622 | 1,525 | 1,663 | 1,727 | o |
| Saint-Michel-en-Grève | Commune | 382 | 398 | 376 | 399 | 464 | 474 | o |
| Saint-Quay-Perros | Commune | 892 | 1,066 | 1,375 | 1,392 | 1,447 | 1,461 | o |
| Tonquédec | Commune | 865 | 1,045 | 1,061 | 1,063 | 1,072 | 1,073 | o |
| Trébeurden | Commune | 2,886 | 3,228 | 3,094 | 3,451 | 3,733 | 3,710 | o |
| Trédarzec | Commune | 997 | 1,058 | 1,023 | 999 | 1,073 | 1,135 | o |
| Trédrez-Locquémeau | Commune | 932 | 1,069 | 1,155 | 1,250 | 1,392 | 1,460 | o |
| Tréduder | Commune | 155 | 156 | 157 | 163 | 187 | 200 | o |
| Trégastel | Commune | 2,013 | 2,063 | 2,201 | 2,234 | 2,377 | 2,440 | o |
| Trégrom | Commune | 577 | 521 | 483 | 449 | 394 | 401 | o |
| Tréguier | Commune | 3,257 | 3,130 | 2,799 | 2,679 | 2,676 | 2,723 | o |
| Trélévern | Commune | 1,017 | 1,239 | 1,254 | 1,309 | 1,395 | 1,381 | o |
| Trémel | Commune | 465 | 446 | 403 | 393 | 397 | 415 | o |
| Trévou-Tréguignec | Commune | 1,218 | 1,266 | 1,210 | 1,144 | 1,414 | 1,434 | o |
| Trézény | Commune | 198 | 220 | 304 | 272 | 267 | 320 | o |
| Troguéry | Commune | 238 | 227 | 224 | 233 | 273 | 297 | 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