Madrid - Population
| Date | Density | Male | Female | Population |
|---|---|---|---|---|
| December 1975 | 529 | 2,042,054 | 2,202,687 | 4,244,740 |
| June 1975 | 523 | 2,017,771 | 2,178,659 | 4,196,430 |
| December 1974 | 517 | 1,993,057 | 2,154,435 | 4,147,492 |
| June 1974 | 510 | 1,967,896 | 2,129,266 | 4,097,162 |
| December 1973 | 504 | 1,943,160 | 2,104,496 | 4,047,656 |
| June 1973 | 498 | 1,919,386 | 2,080,988 | 4,000,373 |
| December 1972 | 492 | 1,894,859 | 2,056,794 | 3,951,653 |
| June 1972 | 486 | 1,871,019 | 2,032,819 | 3,903,839 |
| December 1971 | 480 | 1,846,934 | 2,008,640 | 3,855,573 |
| June 1971 | 474 | 1,823,266 | 1,984,781 | 3,808,047 |
| December 1970 | 469 | 1,800,009 | 1,961,311 | 3,761,320 |