Udon Thani Population 2026
Udon Thani has a population of 130,531, making it the #25 biggest city in 🇹🇭 Thailand, located in Udon Thani. Roughly 0.2% of Thailand's population lives here. It is about 39× smaller than Bangkok, the country's biggest city.
Population (city proper)
130,531
Rank in Thailand
#25
Coordinates
17.42°N, 102.79°E
~177 m elevation · Asia/Bangkok
Distance to capital (Bangkok)
475 km
295 miles, straight line
Other big cities in Udon Thani
| City | Population | Rank in Thailand |
|---|---|---|
| Ban Phan Don | 29,211 | #172 |
| Kut Chap | 24,696 | #191 |
| Ban Nong Wua So | 21,722 | #214 |
| Ban Dung | 19,479 | #229 |
| Nam Som | 19,324 | #231 |
Cities near Udon Thani
- Kut Chap24,696 people · ~23 km away
- Ban Phan Don29,211 people · ~36 km away
- Nong Bua Lamphu34,401 people · ~44 km away
- Ban Nong Wua So21,722 people · ~49 km away
- Nong Khai63,609 people · ~52 km away
- Tha Bo35,292 people · ~53 km away
FAQ
What is the population of Udon Thani?
Udon Thani has a population of 130,531 (city proper, latest official figure via GeoNames), making it the #25 biggest city in Thailand.
What region is Udon Thani in?
Udon Thani is located in Udon Thani, Thailand.
Is Udon Thani the capital of Thailand?
No, the capital of Thailand is Bangkok, about 475 km away.
Sources & notes
Population refers to the city proper (municipal boundaries), not the metropolitan area. Source: GeoNames (CC BY 4.0), retrieved 2026-07-07. Country data: UN World Population Prospects 2024.
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