Bueng Kan, the 77th province, was newly established on March 23, 2011, separated from Nong Khai province.
| Дата | Значение | Изменение, % |
|---|---|---|
| 2012 | 21 612 | 2,44% |
| 2011 | 21 097 | 1,10% |
| 2010 | 20 868 | 0,96% |
| 2009 | 20 669 | 1,11% |
| 2008 | 20 443 | -1,97% |
| 2007 | 20 854 | 0,30% |
| 2006 | 20 791 | 2,72% |
| 2005 | 20 240 | 9,85% |
| 2004 | 18 425 | 12,46% |
| 2003 | 16 384 |