| Städte und Gemeinden | Fortschreibung (Basis 1987) | Zensus Mai 2011 | Fortschreibung (Dezember 2011) | Differenz |
| Buchholz | 39.088 | 36.656 | 36.875 | -2213 |
| Neu Wulmstorf | 20.862 | 19.903 | 19.935 | -927 |
| Rosengarten | 13.491 | 12.871 | 12.907 | -584 |
| Seevetal | 42.210 | 39.838 | 39.921 | -2289 |
| Stelle | 11.063 | 10.850 | 10.827 | -236 |
| Winsen | 34.437 | 32.494 | 32.638 | -1799 |
| Elbmarsch | 11.917 | 11.713 | 11.932 | 15 |
| Hanstedt | 13.526 | 13.622 | 13.747 | 221 |
| Hollenstedt | 11.920 | 10.821 | 10.809 | -111 |
| Jesteburg | 10.745 | 10.665 | 10.595 | -150 |
| Salzhausen | 14.148 | 14.020 | 14.065 | -83 |
| Tostedt | 25.582 | 24.990 | 25.018 | -564 |
| Landkreis Harburg | 247.989 | 238.443 | 239.269 | -8720 |
Quelle: Landkreis Harburg