Population estimates based on the results of the Population Census (1974, 1992, 2004, 2010) and Population estimates based on Demographic Research Bulletin 2016
| 2000 | 2010 | 2016 | 2017 | |
|---|---|---|---|---|
| Al Riyadh | 1 477 601 | 2 480 401 | 3 422 530 | 3 557 962 |
| Makkah | 1 893 213 | 2 798 941 | 3 884 733 | 4 041 189 |
| Al Madinah | 317 779 | 515 421 | 727 334 | 756 435 |
| Al Qaseem | 188 927 | 287 367 | 396 964 | 414 392 |
| Eastern Region | 721 869 | 1 214 665 | 1 692 932 | 1 759 963 |
| Aseer | 208 193 | 322 545 | 444 222 | 461 744 |
| Tabouk | 85 825 | 130 382 | 180 223 | 187 366 |
| Hail | 70 301 | 109 940 | 155 607 | 161 675 |
| Northern Region | 27 591 | 52 347 | 73 749 | 76 310 |
| Jazan | 100 565 | 260 015 | 346 396 | 360 278 |
| Najran | 61 319 | 103 228 | 138 621 | 144 202 |
| Al Baha | 42 179 | 63 252 | 90 180 | 93 734 |
| Al Jouf | 62 717 | 90 897 | 123 847 | 128 724 |