Relegem is a town and deelgemeente in the municipality of Asse in Flemish Brabant, Belgium. Relegem was its own municipality until January 1, 1977 when it was merged with Asse as part of the fusion of the Belgian municipalities. Just before the merger, it had an area of 3.56km2, and a total of 1116 inhabitants.
| Year | 1806 | 1816 | 1830 | 1846 | 1856 | 1866 | 1876 | 1880 | 1890 |
|---|---|---|---|---|---|---|---|---|---|
| Population | 260 | 321 | 385 | 424 | 424 | 438 | 441 | 455 | 468 |
| Note: census results as of December 31 of that year |
| Year | 1900 | 1910 | 1920 | 1930 | 1947 | 1961 | 1970 | 1976 |
|---|---|---|---|---|---|---|---|---|
| Population | 495 | 514 | 542 | 593 | 535 | 631 | 841 | 1116 |
| Note: census results as of December 31 of that year; no separate data available for Relegem since 1976 |