# Sai Mun, Yasothon Province – Subdistricts, Population & Map

> Source: https://wherepedia.org/thailand/yasothon/sai-mun/

District · Yasothon Province 

# Sai Mun

Sai Mun is a district (amphoe) of Thailand in Yasothon Province. It had an estimated **14,688 people** in 2023 on 235 km² (about 62 per km²). Its main town is Sai Mun. It is divided into 5 subdistricts. 40 named villages and localities are recorded here, and 79 mapped services such as hospitals, banks and schools.

- 14,688people (2023)
- 235km²
- 5subdistricts
- 79mapped services

## How many people live in Sai Mun?

Sai Mun had an estimated **14,688 people** in 2023 — 4.2% of Yasothon Province, 851st of 928 districts. There are 1,085 women for every 1,000 men (above the Yasothon Province figure of 1,043). Spread over 235 km², that is about **62 people per km²**, 666th of 928 districts.

17.7% of people are children under 15 and 19.9% are 65 or older; the median age is about 49 years (it is 45 across Yasothon Province). For every 100 people of working age (15–64) there are 60 children and older people.

0–4 ****786**

5–9 ****848**

10–14 ****965**

15–19 ****705**

20–24 ****367**

25–29 ****413**

30–34 ****547**

35–39 ****795**

40–44 ****1,124**

45–49 ****1,076**

50–54 ****1,292**

55–59 ****1,395**

60–64 ****1,451**

65–69 ****1,255**

70–74 ****762**

75–79 ****477**

80+ ****430**

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 Sai Mun?

Sai Mun lies in [Yasothon Province](https://wherepedia.org/thailand/yasothon/), [Thailand](https://wherepedia.org/thailand/). It borders 3 other districts: [Kut Chum](https://wherepedia.org/thailand/yasothon/kut-chum/), [Mueang Yasothon](https://wherepedia.org/thailand/yasothon/mueang-yasothon/) and [Selaphum](https://wherepedia.org/thailand/roi-et/selaphum/). By area it is the 694th largest of 928 districts in Thailand. It covers 5.7% of [Yasothon Province](https://wherepedia.org/thailand/yasothon/). The centre of Sai Mun is about 467 km in a straight line from Bangkok, the capital. It is about 22 km from Yasothon, the main town of Yasothon Province. The centre point is at 15.9925° N, 104.1770° E. Local names: ทรายมูล .

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 Sai Mun

Subdistrict Area km² Localities Services 

[Dong Mafai](https://wherepedia.org/thailand/yasothon/sai-mun/dong-mafai/) 65 7 11 

[Du Lat](https://wherepedia.org/thailand/yasothon/sai-mun/du-lat/) 43 11 9 

[Na Wiang](https://wherepedia.org/thailand/yasothon/sai-mun/na-wiang/) 32 6 7 

[Phai](https://wherepedia.org/thailand/yasothon/sai-mun/phai/) 38 9 11 

[Sai Mun](https://wherepedia.org/thailand/yasothon/sai-mun/sai-mun/) 57 8 41 

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 Sai Mun

Open gazetteers list **40 villages, towns and localities** in Sai Mun. Settlements here lie between about 136 m and 169 m above sea level (median 154 m).

- Ban Ba Khom
- Ban Don
- Ban Don Khueang
- Ban Don Kong
- Ban Don Nok Chum
- Ban Don Wai
- Ban Dong Mafai
- Ban Du Lat
- Ban Kham Khaen Sok
- Ban Kham Khon Ta
- Ban Kham Phai
- Ban Kho
- Ban Khok Klang
- Ban Khok Kong
- Ban Khok Samran
- Ban Khok Yao
- Ban Kut Kwang
- Ban Lao Moei
- Ban Lat Kao
- Ban Na Pong
- Ban Na Riang
- Ban Na Wiang
- Ban Noi Na Wiang
- Ban Non Sanam
- Ban Non Udom
- Ban Nong Bua
- Ban Nong Du
- Ban Nong Kai Khao
- Ban Nong Khian
- Ban Nong Lat Khwai
- Ban Nong Rai
- Ban Nong Waeng
- Ban Phai
- Ban Pong
- Ban Sang Chang
- Ban Si Sawat
- Ban Si Suk
- Ban Sok Pak Wan
- Ban Sok Phakwan
- Sai Mun

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 Sai Mun

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

### Water

10 rivers and streams; 3 reservoirs and tanks.

- Ang Kep Nam Don Champun
- Ang Kep Nam Lat Mang
- Huai Du Lat
- Huai Fa
- Huai Fueai
- Huai Kham Khaen Sok
- Huai Kham Phai
- Huai Nong Khai Nun
- Huai Phai
- Huai Phai
- Huai Phong
- Huai Sok Ha Mu
- Sa Nam Ban Nong Lat Khwai

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 Sai Mun and the best time to visit

In Sai Mun, the warmest month is Apr (average 31 °C) and the coolest is Dec (23 °C). About 1,444 mm of rain falls in a year; the wettest month is Aug (292 mm) and the driest Dec (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 24 5 

Feb 26 12 

Mar 29 41 

Apr 31 68 

May 29 179 

Jun 27 191 

Jul 27 276 

Aug 26 292 

Sep 26 263 

Oct 25 98 

Nov 24 15 

Dec 23 4 

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

## Hospitals, banks and other services in Sai Mun

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

- Hospitals17
- Banks2
- Hotels5
- Shopping malls1
- Schools26
- Colleges and universities2
- Pharmacies2
- Restaurants23
- 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 Sai Mun?In Yasothon Province, Thailand
- What is the population of Sai Mun?14,688 (2023 estimate)
- What is the median age in Sai Mun?About 49 years (2023 estimate)
- What is the population density of Sai Mun?About 62 people per km²
- What borders Sai Mun?Kut Chum, Mueang Yasothon and Selaphum
- How many villages are in Sai Mun?40 named settlements (GeoNames, OpenStreetMap)
- What is the elevation of Sai Mun?Settlements lie between 136 m and 169 m
- How many reservoirs and tanks are in Sai Mun?3 named in GeoNames
- What is the best time to visit Sai Mun?October to February
- How many hospitals are in Sai Mun?17 mapped
- How many banks are in Sai Mun?2 mapped
- What is the P-code of Sai Mun?TH3502 (OCHA common operational dataset)