Cantabria - Population
| Date | Density | Male | Female | Population |
|---|---|---|---|---|
| December 1976 | 93 | 242,974 | 252,878 | 495,852 |
| June 1976 | 93 | 241,625 | 251,528 | 493,153 |
| December 1975 | 92 | 240,444 | 250,430 | 490,873 |
| June 1975 | 92 | 239,183 | 249,232 | 488,415 |
| December 1974 | 91 | 238,064 | 248,248 | 486,312 |
| June 1974 | 91 | 236,847 | 247,160 | 484,007 |
| December 1973 | 91 | 235,661 | 246,106 | 481,767 |
| June 1973 | 90 | 234,518 | 245,013 | 479,531 |
| December 1972 | 90 | 233,477 | 244,014 | 477,491 |
| June 1972 | 89 | 232,316 | 242,881 | 475,197 |
| December 1971 | 89 | 231,238 | 241,827 | 473,066 |
| June 1971 | 89 | 230,169 | 240,821 | 470,990 |
| December 1970 | 88 | 229,184 | 239,894 | 469,079 |