| population | |
| Huyen Luc Yen | 100785 |
| Huyen Mu Cang Chai | 42574 |
| Huyen Tram Tau | 21887 |
| population | |
| Huyen Tran Yen | 96949 |
| Huyen Van Chan | 116804 |
| Huyen Van Yen | 111715 |
| population | |
| Huyen Yen Binh | |
| Nghia Lo | 68206 |
| Thanh Pho Yen Bai |
 | Na San Airport | ~ 82.34 km |
| Noi Bai International Airport | ~ 139.60 km |
 | Sam Neua Airport | ~ 157.46 km |
| Dien Bien Phu Airport | ~ 167.55 km |
 | Wenshan Puzhehei Airport | ~ 202.81 km |
| Tho Xuan Airport | ~ 225.14 km |
| Cat Bi International Airport | ~ 244.77 km |
| Boun Neau Airport | ~ 277.46 km |
| Oudomsay Airport | ~ 293.46 km |
