# Somdet, Kalasin Province – Subdistricts, Population & Map

> Source: https://wherepedia.org/thailand/kalasin/somdet/

District · Kalasin Province 

# Somdet

Somdet is a district (amphoe) of Thailand in Kalasin Province. It had an estimated **37,614 people** in 2023 on 494 km² (about 76 per km²). Its main town is Somdet. It is divided into 8 subdistricts. 61 named villages and localities are recorded here, and 178 mapped services such as hospitals, banks and schools.

- 37,614people (2023)
- 494km²
- 8subdistricts
- 178mapped services

## How many people live in Somdet?

Somdet had an estimated **37,614 people** in 2023 — 6.2% of Kalasin Province, 488th of 928 districts. There are 1,052 women for every 1,000 men (close to the Kalasin Province figure of 1,056). Spread over 494 km², that is about **76 people per km²**, 547th of 928 districts.

20.1% of people are children under 15 and 14.3% are 65 or older; the median age is about 44 years (it is 44 across Kalasin Province). For every 100 people of working age (15–64) there are 52 children and older people.

0–4 ****2,487**

5–9 ****2,554**

10–14 ****2,509**

15–19 ****1,998**

20–24 ****1,228**

25–29 ****1,526**

30–34 ****1,785**

35–39 ****2,408**

40–44 ****3,076**

45–49 ****3,121**

50–54 ****3,207**

55–59 ****3,311**

60–64 ****3,017**

65–69 ****2,450**

70–74 ****1,339**

75–79 ****839**

80+ ****759**

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 Somdet?

Somdet lies in [Kalasin Province](https://wherepedia.org/thailand/kalasin/), [Thailand](https://wherepedia.org/thailand/). It borders 6 other districts: [Huai Phueng](https://wherepedia.org/thailand/kalasin/huai-phueng/), [Kham Muang](https://wherepedia.org/thailand/kalasin/kham-muang/), [Mueang Kalasin](https://wherepedia.org/thailand/kalasin/mueang-kalasin/), [Na Mon](https://wherepedia.org/thailand/kalasin/na-mon/), [Phu Phan](https://wherepedia.org/thailand/sakon-nakhon/phu-phan/) and [Sahatsakhan](https://wherepedia.org/thailand/kalasin/sahatsakhan/). By area it is the 415th largest of 928 districts in Thailand. It covers 7.2% of [Kalasin Province](https://wherepedia.org/thailand/kalasin/). The centre of Somdet is about 487 km in a straight line from Bangkok, the capital. It is about 49 km from Kalasin, the main town of Kalasin Province. The centre point is at 16.7826° N, 103.7802° E. Local names: สมเด็จ .

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 Somdet

Subdistrict Area km² Localities Services 

[Lam Huai Lua](https://wherepedia.org/thailand/kalasin/somdet/lam-huai-lua/) 32 5 10 

[Mahachai](https://wherepedia.org/thailand/kalasin/somdet/mahachai/) 104 8 3 

[Mu Mon](https://wherepedia.org/thailand/kalasin/somdet/mu-mon/) 25 8 5 

[Nong Waeng](https://wherepedia.org/thailand/kalasin/somdet/nong-waeng/) 68 8 22 

[Pha Sawoei](https://wherepedia.org/thailand/kalasin/somdet/pha-sawoei/) 91 9 9 

[Saeng Badan](https://wherepedia.org/thailand/kalasin/somdet/saeng-badan/) 109 13 5 

[Si Somdet](https://wherepedia.org/thailand/kalasin/somdet/si-somdet/) 34 6 8 

[Somdet](https://wherepedia.org/thailand/kalasin/somdet/somdet/) 32 5 116 

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 Somdet

Open gazetteers list **61 villages, towns and localities** in Somdet. Settlements here lie between about 175 m and 501 m above sea level (median 196 m).

- Ban Bak
- Ban Bon
- Ban Bua Samakkhi
- Ban Bueng
- Ban Bueng Badan
- Ban Bung Na Loet
- Ban Dong Bang
- Ban Dong Kham Phatthana
- Ban Dong Laem
- Ban Kaeng Ka-am
- Ban Kaeng Pharue Chai
- Ban Kham Bok
- Ban Kham Kang
- Ban Kham Kung
- Ban Kham Mek
- Ban Kham Muai
- Ban Kham Phai
- Ban Khamin
- Ban Khok Klang
- Ban Khok Kwang
- Ban Khok Mai
- Ban Kok
- Ban Lao Phu Phan
- Ban Lao Tamyae
- Ban Lup Plueai
- Ban Lup Pueai
- Ban Maha Chai
- Ban Mek
- Ban Mu Mon
- Ban Na Bon
- Ban Na Kaeo
- Ban Na Than
- Ban Noi
- Ban Non Chai Samran
- Ban Non Chat
- Ban Non Nam Kliang
- Ban Non Sa-at
- Ban Non Sombun
- Ban Nong Bua
- Ban Nong Bua Don
- Ban Nong Haeo
- Ban Nong I Dum
- Ban Nong Kham
- Ban Nong Kung
- Ban Nong Pa Oi
- Ban Nong Phai
- Ban Nong Phai Nopphakhun
- Ban Nong Saeng
- Ban Nong Saeng Noi
- Ban Nong Waeng
- Ban Nong Yaplong
- Ban Pho Kham
- Ban Phon Sawan
- Ban Saeng Badan
- Ban Sang Kaeo
- Ban Sang Kho
- Ban Sang Saen
- Ban Si Yaek
- Ban Tha Ngam
- Ban U
- 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 Somdet

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

### Water

6 rivers and streams; 4 reservoirs and tanks.

- Ang Kep Nam A-Ri
- Ang Kep Nam Fai Kham Noi
- Ang Kep Nam Huai Sang Khiap
- Ang Kep Nam Huai Sang Khiap
- Huai Dan Kok
- Huai Kho
- Huai Lao Phu Khiao
- Huai Mak Phrik
- Huai Phrik
- Huai Tam

### Hills and mountains

9 mountains; 7 hills.

- Phu Nang Ngoi · 570 m
- Phu Lek · 542 m
- Phu Khai Thai · 514 m
- Phu Lao · 510 m
- Phu Khaotom · 502 m
- Phu Tap Tong · 469 m
- Phu Phaya Noi · 464 m
- Phu Tum · 435 m
- Phu Phra Chao · 382 m
- Phu Ling · 361 m
- Phu Kua · 343 m
- Phu Hin Chan · 319 m
- Phu Na Kham · 296 m
- Phu Kaeng Ok Khok · 275 m
- Phu Noi · 259 m
- Phu Pun · 254 m

### Forests and nature

1 forest.

- Dong Bon

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 Somdet and the best time to visit

In Somdet, the warmest month is Apr (average 30 °C) and the coolest is Dec (21 °C). About 1,511 mm of rain falls in a year; the wettest month is Aug (310 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 22 7 

Feb 25 18 

Mar 28 48 

Apr 30 78 

May 29 196 

Jun 27 211 

Jul 26 293 

Aug 26 310 

Sep 26 243 

Oct 25 90 

Nov 23 14 

Dec 21 4 

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

## Hospitals, banks and other services in Somdet

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

- Hospitals31
- Banks5
- ATMs1
- Petrol pumps8
- Hotels13
- Shopping malls3
- Schools21
- Colleges and universities3
- Pharmacies3
- Restaurants83
- Police stations3
- Dental clinics4

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 Somdet?In Kalasin Province, Thailand
- What is the population of Somdet?37,614 (2023 estimate)
- What is the median age in Somdet?About 44 years (2023 estimate)
- What is the population density of Somdet?About 76 people per km²
- What borders Somdet?Huai Phueng, Kham Muang, Mueang Kalasin, Na Mon, Phu Phan and Sahatsakhan
- How many villages are in Somdet?61 named settlements (GeoNames, OpenStreetMap)
- What is the elevation of Somdet?Settlements lie between 175 m and 501 m
- How many reservoirs and tanks are in Somdet?4 named in GeoNames
- What is the highest point in Somdet?Phu Nang Ngoi (570 m, GeoNames elevation model)
- What is the best time to visit Somdet?October to February
- How many hospitals are in Somdet?31 mapped
- How many banks are in Somdet?5 mapped
- How many ATMs are in Somdet?1 mapped
- How many petrol pumps are in Somdet?8 mapped
- What is the P-code of Somdet?TH4613 (OCHA common operational dataset)
