# Tan Sum, Ubon Ratchathani Province – Subdistricts & Population

> Source: https://wherepedia.org/thailand/ubon-ratchathani/tan-sum/

District · Ubon Ratchathani Province 

# Tan Sum

Tan Sum is a district (amphoe) of Thailand in Ubon Ratchathani Province. It had an estimated **27,206 people** in 2023 on 298 km² (about 91 per km²). Its main town is Tan Sum. It is divided into 6 subdistricts. 64 named villages and localities are recorded here, and 50 mapped services such as hospitals, banks and schools.

- 27,206people (2023)
- 298km²
- 6subdistricts
- 50mapped services

## How many people live in Tan Sum?

Tan Sum had an estimated **27,206 people** in 2023 — 1.8% of Ubon Ratchathani Province, 633rd of 928 districts. There are 1,054 women for every 1,000 men (above the Ubon Ratchathani Province figure of 1,038). Spread over 298 km², that is about **91 people per km²**, 427th of 928 districts.

23.0% of people are children under 15 and 15.4% are 65 or older; the median age is about 42 years (it is 41 across Ubon Ratchathani Province). For every 100 people of working age (15–64) there are 62 children and older people.

0–4 ****2,067**

5–9 ****2,106**

10–14 ****2,084**

15–19 ****1,464**

20–24 ****1,007**

25–29 ****1,106**

30–34 ****1,296**

35–39 ****1,656**

40–44 ****1,948**

45–49 ****1,932**

50–54 ****2,013**

55–59 ****2,283**

60–64 ****2,044**

65–69 ****1,632**

70–74 ****971**

75–79 ****783**

80+ ****814**

Source: [National Statistics Office of Thailand via OCHA HDX, population 2023 (COD-PS, CC BY-IGO)](https://data.humdata.org/dataset/cod-ps-tha).

## Where is Tan Sum?

Tan Sum lies in [Ubon Ratchathani Province](https://wherepedia.org/thailand/ubon-ratchathani/), [Thailand](https://wherepedia.org/thailand/). It borders 5 other districts: [Don Mot Daeng](https://wherepedia.org/thailand/ubon-ratchathani/don-mot-daeng/), [Phibun Mangsahan](https://wherepedia.org/thailand/ubon-ratchathani/phibun-mangsahan/), [Sawang Wirawong](https://wherepedia.org/thailand/ubon-ratchathani/sawang-wirawong/), [Si Mueang Mai](https://wherepedia.org/thailand/ubon-ratchathani/si-mueang-mai/) and [Trakan Phuet Phon](https://wherepedia.org/thailand/ubon-ratchathani/trakan-phuet-phon/). By area it is the 604th largest of 928 districts in Thailand. It covers 1.9% of [Ubon Ratchathani Province](https://wherepedia.org/thailand/ubon-ratchathani/). The centre of Tan Sum is about 532 km in a straight line from Bangkok, the capital. It is about 36 km from Ubon Ratchathani, the main town of Ubon Ratchathani Province. The centre point is at 15.3972° N, 105.1428° E. Local names: ตาลสุม .

Source: [Royal Thai Survey Department via OCHA HDX, administrative boundaries (COD-AB, CC BY-IGO)](https://data.humdata.org/dataset/cod-ab-tha).

## Subdistricts of Tan Sum

Subdistrict Area km² Localities Services 

[Chik Thoeng](https://wherepedia.org/thailand/ubon-ratchathani/tan-sum/chik-thoeng/) 42 7 1 

[Kham Wa](https://wherepedia.org/thailand/ubon-ratchathani/tan-sum/kham-wa/) 36 6 4 

[Na Khai](https://wherepedia.org/thailand/ubon-ratchathani/tan-sum/na-khai/) 82 17 6 

[Nong Kung](https://wherepedia.org/thailand/ubon-ratchathani/tan-sum/nong-kung/) 49 6 5 

[Samrong](https://wherepedia.org/thailand/ubon-ratchathani/tan-sum/samrong/) 48 6 3 

[Tan Sum](https://wherepedia.org/thailand/ubon-ratchathani/tan-sum/tan-sum/) 41 22 31 

Source: [Royal Thai Survey Department via OCHA HDX, administrative boundaries (COD-AB, CC BY-IGO)](https://data.humdata.org/dataset/cod-ab-tha); [GeoNames (CC BY 4.0) — settlements, natural and historic features](https://www.geonames.org/); [Overture Maps places (CDLA-Permissive-2.0) and © OpenStreetMap contributors (ODbL)](https://overturemaps.org/).

## Villages and localities in Tan Sum

Open gazetteers list **64 villages, towns and localities** in Tan Sum. Settlements here lie between about 113 m and 156 m above sea level (median 130 m).

- Ban Aem Charoen
- Ban Chiang Kaeo
- Ban Chik Lum
- Ban Chik Thoeng
- Ban Don Do
- Ban Don Khwang
- Ban Don Paen Lom
- Ban Don Pan Chat
- Ban Don Phan Chat
- Ban Don Rang Ka
- Ban Don Ta Li
- Ban Don Wai
- Ban Hai Yong
- Ban Hong Daeng
- Ban Hong Hin Lat
- Ban Huai Du
- Ban Kaeng Kop
- Ban Kenag Kob
- Ban Kham Hi
- Ban Kham Khaen
- Ban Kham Mai Tai
- Ban Kham Nam Thaeng
- Ban Kham Phak Nok
- Ban Kham Toei
- Ban Kham Wa
- Ban Kho Khon
- Ban Khok Khlai
- Ban Kum Mai Tai
- Ban Mai Khok Klang
- Ban Muang Charoen Krung
- Ban Muang Con
- Ban Muang Khon
- Ban Na Huai Khaen
- Ban Na Khai
- Ban Na Mon
- Ban Na Phaeng
- Ban Na Pho
- Ban Na Thom Tai
- Ban Na Thum Nuea
- Ban Non Charoen
- Ban Non Chik
- Ban Non Kho
- Ban Non Samran
- Ban Non Sawan
- Ban Non Swan
- Ban Non Yang
- Ban Nong Kung Noi
- Ban Nong Kung Yai
- Ban Nong No
- Ban Nong Pet
- Ban Nong Sadao
- Ban Nong Ta Lee
- Ban Pak Huai
- Ban Pak Se
- Ban Phoe
- Ban Samrong Klang
- Ban Samrong Yai
- Ban Sang Kham
- Ban Sang Saeng
- Ban Sang Wa
- Ban Tan Sum
- Ban Thung Charoen
- Ban Thung Charon
- Tan Sum

Source: [GeoNames (CC BY 4.0) — settlements, natural and historic features](https://www.geonames.org/); [© OpenStreetMap contributors (ODbL), Geofabrik extract — named settlements](https://www.openstreetmap.org/copyright).

## Landscape and landmarks of Tan Sum

Named natural and historic features inside Tan Sum, from the GeoNames gazetteer.

### Water

1 reservoir or tank; 1 river or stream.

- Ang Kep Nam Huai Bok Noeng
- Huai Ba Rang

Source: [GeoNames (CC BY 4.0) — settlements, natural and historic features](https://www.geonames.org/).

Places of worship are not listed. Elevations are from the GeoNames terrain model and are approximate.

## Weather in Tan Sum and the best time to visit

In Tan Sum, the warmest month is Apr (average 31 °C) and the coolest is Dec (24 °C). About 1,475 mm of rain falls in a year; the wettest month is Aug (295 mm) and the driest Jan (4 mm). The most comfortable months for a visit are **October to February**.

- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec

Month Average °C Rain mm 

Jan 25 4 

Feb 27 7 

Mar 30 33 

Apr 31 68 

May 29 170 

Jun 27 195 

Jul 26 292 

Aug 26 295 

Sep 26 283 

Oct 26 101 

Nov 25 18 

Dec 24 7 

Source: [NASA POWER climatology, retrieved 2026-10-29](https://power.larc.nasa.gov/).

## Hospitals, banks and other services in Tan Sum

Places mapped inside Tan Sum in open map data, by type — each number opens the full list with locations.

- Hospitals15
- Banks1
- Petrol pumps4
- Hotels2
- Shopping malls2
- Schools5
- Colleges and universities1
- Restaurants19
- Police stations1

Source: [Overture Maps places (CDLA-Permissive-2.0) and © OpenStreetMap contributors (ODbL)](https://overturemaps.org/).

Coverage depends on what has been mapped; contact details are not shown.

## Quick answers

- Where is Tan Sum?In Ubon Ratchathani Province, Thailand
- What is the population of Tan Sum?27,206 (2023 estimate)
- What is the median age in Tan Sum?About 42 years (2023 estimate)
- What is the population density of Tan Sum?About 91 people per km²
- What borders Tan Sum?Don Mot Daeng, Phibun Mangsahan, Sawang Wirawong, Si Mueang Mai and Trakan Phuet Phon
- How many villages are in Tan Sum?64 named settlements (GeoNames, OpenStreetMap)
- What is the elevation of Tan Sum?Settlements lie between 113 m and 156 m
- How many reservoirs and tanks are in Tan Sum?1 named in GeoNames
- What is the best time to visit Tan Sum?October to February
- How many hospitals are in Tan Sum?15 mapped
- How many banks are in Tan Sum?1 mapped
- How many petrol pumps are in Tan Sum?4 mapped
- What is the P-code of Tan Sum?TH3420 (OCHA common operational dataset)