Croydon Population Estimates by age bands
| Age (years) | Numbers |
| 0-4 years | 28,621 |
| 5-10 years | 32,859 |
| 11-17 years | 32,955 |
| 18-64 years | 237,663 |
| 65+ years | 50,206 |
| Total Population | 382,304 |
Source : ONS, Mid Year Population Estimates, 2016.
Croydon Population Estimates by single year of age
| Age (years) | Numbers | Age (years) | Numbers | Age (years) | Numbers |
|
0 |
6,019 | 31 | 5,799 | 61 | 3,841 |
| 1 | 5,717 | 32 | 5,626 | 62 | 3,570 |
| 2 | 5,585 | 33 | 5,848 | 63 | 3,328 |
| 3 | 5,647 | 34 | 6,308 | 64 | 3,393 |
| 4 | 5,653 | 35 | 6,083 | 65 | 3,134 |
| 5 | 5,667 | 36 | 6,005 | 66 | 2,999 |
| 6 | 5,618 | 37 | 5,989 | 67 | 2,892 |
| 7 | 5,489 | 38 | 5,666 | 68 | 3,134 |
| 8 | 5,664 | 39 | 5,553 | 69 | 3,332 |
| 9 | 5,366 | 40 | 5,514 | 70 | 2,596 |
| 10 | 5,055 | 41 | 5,442 | 71 | 2,333 |
| 11 | 4,914 | 42 | 5,124 | 72 | 2,337 |
| 12 | 4,692 | 43 | 5,083 | 73 | 2,283 |
| 13 | 4,578 | 44 | 5,431 | 74 | 2,034 |
| 14 | 4,484 | 45 | 5,474 | 75 | 1,817 |
| 15 | 4,548 | 46 | 5,257 | 76 | 1,906 |
| 16 | 4,804 | 47 | 5,475 | 77 | 1,851 |
| 17 | 4,935 | 48 | 5,391 | 78 | 1,859 |
| 18 | 4,694 | 49 | 5,381 | 79 | 1,763 |
| 19 | 3,811 | 50 | 5,931 | 80 | 1,669 |
| 20 | 3,620 | 51 | 5,665 | 81 | 1,569 |
| 21 | 3,609 | 52 | 5,761 | 82 | 1,452 |
| 22 | 3,939 | 53 | 5,663 | 83 | 1,282 |
| 23 | 4,378 | 54 | 5,343 | 84 | 1,225 |
| 24 | 4,728 | 55 | 4,864 | 85 | 1,074 |
| 25 | 5,478 | 56 | 4,778 | 86 | 941 |
| 26 | 5,293 | 57 | 4,498 | 87 | 808 |
| 27 | 5,449 | 58 | 4,201 | 88 | 749 |
| 28 | 5,696 | 59 | 3,999 | 89 | 663 |
| 29 | 5,658 | 60 | 3,943 | 90+ | 2,504 |
| 30 | 6,083 |
Source : ONS, Mid Year Population Estimates, 2016.