# Si Somdet, Roi Et Province – Subdistricts, Population & Map

> Source: https://wherepedia.org/thailand/roi-et/si-somdet/

District · Roi Et Province 

# Si Somdet

Si Somdet is a district (amphoe) of Thailand in Roi Et Province. It had an estimated **24,191 people** in 2023 on 163 km² (about 148 per km²). Its main town is Si Somdet. It is divided into 8 subdistricts. 93 named villages and localities are recorded here, and 62 mapped services such as hospitals, banks and schools.

- 24,191people (2023)
- 163km²
- 8subdistricts
- 62mapped services

## How many people live in Si Somdet?

Si Somdet had an estimated **24,191 people** in 2023 — 3.2% of Roi Et Province, 677th of 928 districts. There are 977 women for every 1,000 men (below the Roi Et Province figure of 1,067). Spread over 163 km², that is about **148 people per km²**, 235th of 928 districts.

18.2% of people are children under 15 and 14.6% are 65 or older; the median age is about 44 years (it is 45 across Roi Et Province). For every 100 people of working age (15–64) there are 49 children and older people.

0–4 ****1,352**

5–9 ****1,373**

10–14 ****1,667**

15–19 ****1,368**

20–24 ****1,411**

25–29 ****819**

30–34 ****1,084**

35–39 ****1,556**

40–44 ****1,804**

45–49 ****2,000**

50–54 ****2,026**

55–59 ****2,107**

60–64 ****2,090**

65–69 ****1,550**

70–74 ****932**

75–79 ****481**

80+ ****571**

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 Si Somdet?

Si Somdet lies in [Roi Et Province](https://wherepedia.org/thailand/roi-et/), [Thailand](https://wherepedia.org/thailand/). It borders 5 other districts: [Chaturaphak Phiman](https://wherepedia.org/thailand/roi-et/chaturaphak-phiman/), [Kae Dam](https://wherepedia.org/thailand/maha-sarakham/kae-dam/), [Mueang Maha Sarakham](https://wherepedia.org/thailand/maha-sarakham/mueang-maha-sarakham/), [Mueang Roi Et](https://wherepedia.org/thailand/roi-et/mueang-roi-et/) and [Wapi Pathum](https://wherepedia.org/thailand/maha-sarakham/wapi-pathum/). By area it is the 794th largest of 928 districts in Thailand. It covers 2.1% of [Roi Et Province](https://wherepedia.org/thailand/roi-et/). The centre of Si Somdet is about 411 km in a straight line from Bangkok, the capital. It is about 15 km from Roi Et, the main town of Roi Et Province. The centre point is at 16.0299° N, 103.5189° E. Local names: ศรีสมเด็จ .

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 Si Somdet

Subdistrict Area km² Localities Services 

[Ban Bak](https://wherepedia.org/thailand/roi-et/si-somdet/ban-bak/) 11 10 4 

[Mueang Plueai](https://wherepedia.org/thailand/roi-et/si-somdet/mueang-plueai/) 12 8 2 

[Nong Waeng Khuang](https://wherepedia.org/thailand/roi-et/si-somdet/nong-waeng-khuang/) 19 15 7 

[Nong Yai](https://wherepedia.org/thailand/roi-et/si-somdet/nong-yai/) 23 10 4 

[Pho Sai](https://wherepedia.org/thailand/roi-et/si-somdet/pho-sai/) 26 9 11 

[Pho Thong](https://wherepedia.org/thailand/roi-et/si-somdet/pho-thong/) 11 9 10 

[Si Somdet](https://wherepedia.org/thailand/roi-et/si-somdet/si-somdet/) 27 14 18 

[Suan Chik](https://wherepedia.org/thailand/roi-et/si-somdet/suan-chik/) 34 19 6 

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 Si Somdet

Open gazetteers list **93 villages, towns and localities** in Si Somdet. Settlements here lie between about 152 m and 187 m above sea level (median 173 m).

- Ba Kluai
- Ban Bak
- Ban Bak Nong Daeng
- Ban Bu Makhuea
- Ban Don Nam Kham
- Ban Don Noi
- Ban Don Sai
- Ban Dong Khwang
- Ban Dong Mueang
- Ban Hong Kok Daeng
- Ban Hua Chang
- Ban Hua Hon Nong Aeng
- Ban Hua Nong Waeng
- Ban Khok Kha
- Ban Khok Klang
- Ban Khok Phairi
- Ban Khu Khok
- Ban Khum Din
- Ban Khum Noi
- Ban Khwao Noi
- Ban Klang
- Ban Kluai
- Ban Ko
- Ban Kok
- Ban Lao Arang
- Ban Lao Don Hai
- Ban Lao Kachat
- Ban Lao Klang
- Ban Lao Kut
- Ban Lao Kut Noi
- Ban Lao Lo
- Ban Lao Lo Noi
- Ban Lao Noi
- Ban Lao Yai
- Ban Lao Yao
- Ban Mai Lam
- Ban Mueang Kao
- Ban Mueang Plueai
- Ban Non Khwang
- Ban Non Liam
- Ban Non Nam Ngoen
- Ban Non Pho
- Ban Non Sawang
- Ban Non Sida
- Ban Non Sombun
- Ban Non Than
- Ban Nong Charoen
- Ban Nong Daeng
- Ban Nong Hai
- Ban Nong Hang
- Ban Nong Khu Kham
- Ban Nong Khu Khok
- Ban Nong Khu Noi
- Ban Nong Khu Yang
- Ban Nong Khum Din
- Ban Nong Ku Kok
- Ban Nong Lai
- Ban Nong Mueang
- Ban Nong Phaktop
- Ban Nong Rai
- Ban Nong Sabaeng
- Ban Nong Sae Bong
- Ban Nong Saeng
- Ban Nong Sang
- Ban Nong Si Mum
- Ban Nong Song Hong
- Ban Nong Waeng Khuang
- Ban Nong Waeng Noi
- Ban Nong Waeng Nuea
- Ban Nong Waeng Tai
- Ban Nong Waeng Yao
- Ban Nong Yai
- Ban Pa Haen
- Ban Pa Kung
- Ban Pa Mao Nuea
- Ban Pa Mao Tai
- Ban Pa Woe
- Ban Phim Phatthana
- Ban Pho Sai
- Ban Pho Sai Noi
- Ban Phon Thong
- Ban Sanam Chai
- Ban Si Mum
- Ban Si Pho Thong
- Ban Si Som Daet
- Ban Si Somdet
- Ban Sok Chueak
- Ban Suan Chik
- Ban Tha Rae
- Ban Waeng Yao
- Ban Yakha
- Nong Khum Din
- Si Somdet

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 Si Somdet

Named natural and historic features inside Si Somdet, from the GeoNames gazetteer.

### Water

1 reservoir or tank.

- Ang Kep Nam Ban Don

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 Si Somdet and the best time to visit

In Si Somdet, the warmest month is Apr (average 31 °C) and the coolest is Dec (23 °C). About 1,414 mm of rain falls in a year; the wettest month is Aug (278 mm) and the driest Dec (3 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 7 

Feb 27 14 

Mar 30 44 

Apr 31 75 

May 29 178 

Jun 28 182 

Jul 27 247 

Aug 26 278 

Sep 26 265 

Oct 25 104 

Nov 24 16 

Dec 23 3 

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

## Hospitals, banks and other services in Si Somdet

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

- Hospitals11
- Banks2
- Petrol pumps1
- Hotels4
- Schools9
- Colleges and universities2
- Restaurants29
- Police stations4

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 Si Somdet?In Roi Et Province, Thailand
- What is the population of Si Somdet?24,191 (2023 estimate)
- What is the median age in Si Somdet?About 44 years (2023 estimate)
- What is the population density of Si Somdet?About 148 people per km²
- What borders Si Somdet?Chaturaphak Phiman, Kae Dam, Mueang Maha Sarakham, Mueang Roi Et and Wapi Pathum
- How many villages are in Si Somdet?93 named settlements (GeoNames, OpenStreetMap)
- What is the elevation of Si Somdet?Settlements lie between 152 m and 187 m
- How many reservoirs and tanks are in Si Somdet?1 named in GeoNames
- What is the best time to visit Si Somdet?October to February
- How many hospitals are in Si Somdet?11 mapped
- How many banks are in Si Somdet?2 mapped
- How many petrol pumps are in Si Somdet?1 mapped
- What is the P-code of Si Somdet?TH4516 (OCHA common operational dataset)