| population | |
| Ban Chan | 16087 |
| Ban Khao | 10389 |
| Ban Lueam | 18777 |
| Ban Tat | 12945 |
| Chiang Phin | 12810 |
| Chiang Yuen | 16853 |
| Khok Sa-At | 7530 |
| population | |
| Kut Sa | 9334 |
| Mak Khaeng | 120202 |
| Mu Mon | 18017 |
| Na Di | 8168 |
| Na Kha | 12861 |
| Na Kwang | 7220 |
| Nikhom Songkhro | 9590 |
| population | |
| Non Sung | 19288 |
| Nong Bua | 18811 |
| Nong Hai | 13423 |
| Nong Khon Kwang | 12751 |
| Nong Na Kham | 25957 |
| Nong Phai | 8831 |
| Sam Phrao | 20922 |
 | Udon Thani Airport | ~ 0.51 km |
| Udorn Air Base | ~ 1.45 km |
 | Wattay International Airport | ~ 70.62 km |
| Khon Kaen Airport | ~ 102.77 km |
| Loei Airport | ~ 113.35 km |
| Sakon Nakhon Airport | ~ 142.86 km |
| Roi Et Airport | ~ 176.26 km |
| Phetchabun Airport | ~ 187.19 km |
| Nakhon Phanom Airport | ~ 196.72 km |
