The following graph shows how the population of Aldeburgh has changed since 10-
The following table shows the actual population figures, subdivided between males and females. The ratio of females to males is one of the highest in Suffolk. Lucky fellas!
| Year | Males | Females | Total |
| 1801 | 405 | 399 | 804 |
| 1811 | 457 | 609 | 1066 |
| 1821 | 571 | 641 | 1212 |
| 1831 | 506 | 835 | 1341 |
| 1841 | 673 | 884 | 1557 |
| 1851 | 732 | 895 | 1627 |
| 1861 | 772 | 949 | 1721 |
| 1871 | 879 | 1111 | 1990 |
| 1881 | 983 | 1123 | 2106 |
| 1891 | 980 | 1179 | 2159 |
| 1901 | 1100 | 1305 | 2405 |
| 1911 | 996 | 1378 | 2374 |
| 1921 | 1214 | 1725 | 2939 |
| 1931 | 1067 | 1478 | 2545 |
| 1941 – no census | – | – | – |
| 1951 | 1184 | 1505 | 2689 |
| 1961 | 1339 | 1668 | 3007 |
| 1971 | 2791 | ||
| 1981 | 2918 | ||
| 1991 | tba | ||
| 2001 | 1264 | 1529 | 2793 |
| 2011 | tba |