# Pho Sai, Ubon Ratchathani Province – Subdistricts & Population

> Source: https://wherepedia.org/thailand/ubon-ratchathani/pho-sai/

District · Ubon Ratchathani Province 

# Pho Sai

Pho Sai is a district (amphoe) of Thailand in Ubon Ratchathani Province. It had an estimated **36,315 people** in 2023 on 558 km² (about 65 per km²). Its main town is Pho Sai. It is divided into 6 subdistricts. 104 named villages and localities are recorded here, and 82 mapped services such as hospitals, banks and schools.

- 36,315people (2023)
- 558km²
- 6subdistricts
- 82mapped services

## How many people live in Pho Sai?

Pho Sai had an estimated **36,315 people** in 2023 — 2.4% of Ubon Ratchathani Province, 505th of 928 districts. There are 1,015 women for every 1,000 men (below the Ubon Ratchathani Province figure of 1,038). Spread over 558 km², that is about **65 people per km²**, 641st of 928 districts.

24.5% of people are children under 15 and 14.6% are 65 or older; the median age is about 41 years (it is 41 across Ubon Ratchathani Province). For every 100 people of working age (15–64) there are 64 children and older people.

0–4 ****2,938**

5–9 ****3,055**

10–14 ****2,889**

15–19 ****1,923**

20–24 ****1,285**

25–29 ****1,610**

30–34 ****1,856**

35–39 ****2,210**

40–44 ****2,595**

45–49 ****2,548**

50–54 ****2,744**

55–59 ****2,797**

60–64 ****2,549**

65–69 ****1,927**

70–74 ****1,422**

75–79 ****892**

80+ ****1,075**

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 Pho Sai?

Pho Sai lies in [Ubon Ratchathani Province](https://wherepedia.org/thailand/ubon-ratchathani/), [Thailand](https://wherepedia.org/thailand/). It borders 5 other districts: [Khemarat](https://wherepedia.org/thailand/ubon-ratchathani/khemarat/), [Kut Khaopun](https://wherepedia.org/thailand/ubon-ratchathani/kut-khaopun/), [Na Tan](https://wherepedia.org/thailand/ubon-ratchathani/na-tan/), [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 351st largest of 928 districts in Thailand. It covers 3.6% of [Ubon Ratchathani Province](https://wherepedia.org/thailand/ubon-ratchathani/). The centre of Pho Sai is about 563 km in a straight line from Bangkok, the capital. It is about 77 km from Ubon Ratchathani, the main town of Ubon Ratchathani Province. The centre point is at 15.7686° N, 105.3095° E. Local names: โพธิ์ไทร .

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 Pho Sai

Subdistrict Area km² Localities Services 

[Lao Ngam](https://wherepedia.org/thailand/ubon-ratchathani/pho-sai/lao-ngam/) 91 10 7 

[Muang Yai](https://wherepedia.org/thailand/ubon-ratchathani/pho-sai/muang-yai/) 38 19 5 

[Pho Sai](https://wherepedia.org/thailand/ubon-ratchathani/pho-sai/pho-sai/) 75 25 38 

[Samrong](https://wherepedia.org/thailand/ubon-ratchathani/pho-sai/samrong/) 164 17 9 

[Saraphi](https://wherepedia.org/thailand/ubon-ratchathani/pho-sai/saraphi/) 124 23 8 

[Song Khon](https://wherepedia.org/thailand/ubon-ratchathani/pho-sai/song-khon/) 67 14 15 

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 Pho Sai

Open gazetteers list **104 villages, towns and localities** in Pho Sai. Settlements here lie between about 132 m and 273 m above sea level (median 157 m).

- Ban Amnuai Phon
- Ban Chiang
- Ban Chompluak Sung
- Ban Chong Phalai
- Ban Dan Sao E
- Ban Don Chat
- Ban Don Chik
- Ban Don Chot
- Ban Don Krathot
- Ban Don Nam Kliang
- Ban Don Pa Kha
- Ban Don Phong
- Ban Don Phra
- Ban Don Yen
- Ban Dong Ta Wan
- Ban Dong Ta Wang
- Ban Hin Dan
- Ban Hin Hom
- Ban Hin Lat
- Ban Hoen Hom
- Ban Huai Su
- Ban Huai Wua
- Ban Kaeng Tai
- Ban Kalueng
- Ban Katiat
- Ban Kham Chao
- Ban Kham Klang
- Ban Kham Mani
- Ban Kham Pa Chik
- Ban Khan Yang
- Ban Khok Kung
- Ban Khok Na Lum Phuk
- Ban Khok Sila
- Ban Khok Thoeloe
- Ban Ko Kaet
- Ban Ko Rong
- Ban Lao Ngam
- Ban Lat Yao
- Ban Lo
- Ban Lumphuk
- Ban Muang Som
- Ban Muang Yai
- Ban Na Charoen
- Ban Na Hang
- Ban Na Hang Kao
- Ban Na Hang Nuea
- Ban Na Hang Tai
- Ban Na Hin
- Ban Na Kham
- Ban Na Kratai
- Ban Na Mon
- Ban Na Nang Wan
- Ban Na Pa Mai
- Ban Na Phaniang O
- Ban Na Wa Tai
- Ban Nam Kham
- Ban Nawa
- Ban Non
- Ban Non Muang
- Ban Non Noi
- Ban Non Pho Din
- Ban Non Sala
- Ban Non Si Suk
- Ban Non Than
- Ban Non Yai
- Ban Nong Fan Yuen
- Ban Nong Khun
- Ban Nong Phakwaen
- Ban Nong Yao
- Ban Pa Kha Chumchon
- Ban Pa Mong
- Ban Pak Huai Muang
- Ban Pak Kalang
- Ban Pak Thang Samrong
- Ban Pha Chan
- Ban Phalai
- Ban Phalong
- Ban Phang Daeng
- Ban Phon Sawan
- Ban Phrai Sawan
- Ban Phu Wiang
- Ban Pong Daeng
- Ban Pong Pao
- Ban Pong Phon
- Ban Prong Charoen
- Ban Prong Noi
- Ban Rong Khan Yaeng Noi
- Ban Rong Khan Yaeng Yai
- Ban Sa-oeng Thong
- Ban Sam Yaek
- Ban Samrong
- Ban Sang Kung
- Ban Sang Muang
- Ban Sang Sabaeng
- Ban Saraphi
- Ban Sathong
- Ban Si Bun Rueang
- Ban Si Sawang
- Ban Sok Chan
- Ban Song Khon
- Ban Tum
- Ban Wang Sae
- Pho Sai
- Sam Phan Bok

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 Pho Sai

Named natural and historic features inside Pho Sai, from the GeoNames gazetteer.

### Water

9 rivers and streams; 7 reservoirs and tanks.

- Ang Kep Nam Huai Bon
- Ang Kep Nam Huai Pakka Long
- Ang Kep Nam Huai Phut Chin
- Ang Kep Nam Huai Rong Bon
- Ang Kep Nam Huai Rong Daeng
- Ang Kep Nam Huai Than Nam
- Ang Kep Nam Nong Pong Pao
- Huai Chiang Iang
- Huai Hi
- Huai Kachin
- Huai Kham Chao
- Huai Khat Lai
- Huai Sa Thung
- Huai Su
- Huai Ta Wang
- Huai Thanu Thong

### Hills and mountains

7 mountains; 4 hills.

- Phu Samui · 433 m
- Phu Makluea · 364 m
- Phu Makhuea · 356 m
- Phu Lom Khao · 327 m
- Phu Tham Kheng · 323 m
- Phu Kabo · 310 m
- Phu Bon · 301 m
- Phu Hin Lek Fai · 273 m
- Phu Pom · 250 m
- Phu Hua Raet · 230 m
- Phu Khao Wong · 180 m

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 Pho Sai and the best time to visit

In Pho Sai, the warmest month is Apr (average 31 °C) and the coolest is Dec (23 °C). About 1,334 mm of rain falls in a year; the wettest month is Aug (274 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 23 4 

Feb 26 9 

Mar 29 35 

Apr 31 58 

May 29 158 

Jun 27 176 

Jul 27 271 

Aug 26 274 

Sep 26 239 

Oct 25 90 

Nov 24 14 

Dec 23 6 

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

## Hospitals, banks and other services in Pho Sai

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

- Hospitals18
- Banks2
- Petrol pumps4
- Hotels9
- Shopping malls2
- Schools17
- Colleges and universities1
- Pharmacies1
- Restaurants28

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 Pho Sai?In Ubon Ratchathani Province, Thailand
- What is the population of Pho Sai?36,315 (2023 estimate)
- What is the median age in Pho Sai?About 41 years (2023 estimate)
- What is the population density of Pho Sai?About 65 people per km²
- What borders Pho Sai?Khemarat, Kut Khaopun, Na Tan, Si Mueang Mai and Trakan Phuet Phon
- How many villages are in Pho Sai?104 named settlements (GeoNames, OpenStreetMap)
- What is the elevation of Pho Sai?Settlements lie between 132 m and 273 m
- How many reservoirs and tanks are in Pho Sai?7 named in GeoNames
- What is the highest point in Pho Sai?Phu Samui (433 m, GeoNames elevation model)
- What is the best time to visit Pho Sai?October to February
- How many hospitals are in Pho Sai?18 mapped
- How many banks are in Pho Sai?2 mapped
- How many petrol pumps are in Pho Sai?4 mapped
- What is the P-code of Pho Sai?TH3421 (OCHA common operational dataset)