Province of Thailand
Udon Thani
Udon Thani is a province of Thailand. It covers about 10,900 km² (4,200 mi²), the 13th largest of the 77 provinces in Natural Earth’s file for Thailand, and about the same size as Jamaica. About 1.6 million people live there (Wikidata, 2020).
50 km
- Jamaica
- Udon Thani
Facts
| Area, measured | 10,900 km²4,200 mi² |
|---|---|
| Official area | 11,700 km²Wikidata · 7.3% above our measure |
| Share of Thailand | 2.1%of the area of the 77 provinces |
| Rank by area | 13th of 77provinces of Thailand |
| Population | 1.6 millionWikidata, 2020 |
| Density | 144 people per km² |
| Capital | Udon Thani |
| Latitude range | 17°N to 18°N |
| Type | ProvinceTH-41 |
What the numbers say about Udon Thani
- Udon Thani covers 2.1% of the area of Thailand and ranks 7th of 77 by population, against 13th by area.
- It would take 47.3 provinces the size of Udon Thani to cover Thailand.
- The largest, Chiang Mai, is 2.09× the size of Udon Thani; the smallest, Samut Songkhram, is 3.8% of it.
- Closest in size within Thailand: Khon Kaen (10,700 km², 1.02×) and Phitsanulok (10,500 km², 1.03×).
- Counted as a country, Udon Thani would be larger than 73 of the 239 countries and territories listed on sizeversus, and would rank 167th by area, between Kosovo (10,900 km²) and the Gambia (10,500 km²).
- With 1.6 million people it would rank 155th of 238 by population.
- Udon Thani has 144 people per km², about the density of Indonesia, which has 147 per km².
- That makes Udon Thani the 29th most densely populated of the 77 provinces, 1.12× the average for Thailand (129 per km²).
- Udon Thani lies at 17°N, close to the equator, where a standard web map (Web Mercator) is nearly true to size: it inflates area by only about 1.1×.
- Laid out flat, Udon Thani stretches about 140 km north to south and 173 km east to west.
- Our measured 10,900 km² is 7.3% below Wikidata's official figure of 11,700 km². Official figures can include inland water or count land that an outline draws differently. This difference is flagged for review.
About the same size as
Beside the regions of other countries
The closest region by area and by people in each of the other countries that have regional pages here, within a factor of 2. All 395 regions side by side.
- ChinaAreaTianjin0.95× · 11,500 km²Peoplenone within 2×
- United StatesAreaConnecticut86% · 12,700 km²PeopleHawaii1.08× · 1.5 million (2020)
- IndiaAreaTripura1.01× · 10,700 km²PeopleGoa1.08× · 1.5 million (2011)
- GermanyAreaSchleswig-Holstein70% · 15,400 km²PeopleMecklenburg-Western Pomerania1.00× · 1.6 million (2022)
- FranceAreaÎle-de-France90% · 12,100 km²PeopleCentre-Val de Loire61% · 2.6 million (2022)
- ItalyAreaAbruzzo1.00× · 10,900 km²PeopleLiguria1.01× · 1.6 million (2019)
- SpainAreaAsturias1.02× · 10,700 km²PeopleMurcia1.00× · 1.6 million (2024)
- JapanAreaGifu1.02× · 10,700 km²PeopleKagoshima0.99× · 1.6 million (2021)
- BrazilAreaFederal District1.88× · 5,790 km²PeopleRondônia0.99× · 1.6 million (2022)
- CanadaAreaPrince Edward Island1.90× · 5,730 km²PeopleManitoba1.17× · 1.3 million (2021)
- AustraliaAreanone within 2×PeopleSouth Australia83% · 1.9 million (2024)
- MexicoAreaQuerétaro0.93× · 11,700 km²PeopleZacatecas0.93× · 1.7 million (2015)
Where Udon Thani sits in Thailand
All 77 drawn on one equal-area map, so sizes are comparable. Select another to open it.
Ranked within Thailand
Compare Udon Thani
- Mecklenburg-Western Pomerania vs Udon Thani
- Murcia vs Udon Thani
- Abruzzo vs Udon Thani
- Jamaica vs Udon Thani
- Qatar vs Udon Thani
- East Timor vs Udon Thani
- Montenegro vs Udon Thani
- Udon Thani vs Prince Edward Island
- Tianjin vs Udon Thani
- Udon Thani vs Federal District
- Connecticut vs Udon Thani
- Udon Thani vs Tripura
- Querétaro vs Udon Thani
- Udon Thani vs Asturias
- Île-de-France vs Udon Thani
- Udon Thani vs Gifu
- Schleswig-Holstein vs Udon Thani
- Rondônia vs Udon Thani
- Udon Thani vs Kagoshima
- Udon Thani vs Liguria
Share this outline
Sources and method
- Outline
- Natural Earth, 1:10m Admin 1 - States, Provinces, public domain
- Boundary
- De facto, as drawn by Natural Earth.
- Area
- Measured on the WGS84 ellipsoid from the full-detail outline, shown rounded. The region’s whole area is counted, every island included.
- Official figures
- Area, population and capital from Wikidata (CC0), fetched 2026-11-12
- Population
- Wikidata, 2020. Thailand’s units share the 2020 figures where Wikidata has them; the year is shown wherever the figure is.
- Matching
- Countries come from Natural Earth’s country file. Places whose status is contested and dependencies are never used as automatic matches. A region under 2,500 km² is matched against the small countries and island nations.
- Data built
- 2026-11-12