# Nam Som, Udon Thani Province – Subdistricts, Population & Map

> Source: https://wherepedia.org/thailand/udon-thani/nam-som/

District · Udon Thani Province 

# Nam Som

Nam Som is a district (amphoe) of Thailand in Udon Thani Province. It had an estimated **33,372 people** in 2023 on 598 km² (about 56 per km²). Its main town is Nam Som. It is divided into 7 subdistricts. 81 named villages and localities are recorded here, and 117 mapped services such as hospitals, banks and schools.

- 33,372people (2023)
- 598km²
- 7subdistricts
- 117mapped services

## How many people live in Nam Som?

Nam Som had an estimated **33,372 people** in 2023 — 3.6% of Udon Thani Province, 547th of 928 districts. There are 1,012 women for every 1,000 men (below the Udon Thani Province figure of 1,051). Spread over 598 km², that is about **56 people per km²**, 712th of 928 districts.

22.1% of people are children under 15 and 12.7% are 65 or older; the median age is about 41 years (it is 42 across Udon Thani Province). For every 100 people of working age (15–64) there are 53 children and older people.

0–4 ****2,461**

5–9 ****2,475**

10–14 ****2,430**

15–19 ****1,896**

20–24 ****1,251**

25–29 ****1,579**

30–34 ****1,932**

35–39 ****2,301**

40–44 ****2,752**

45–49 ****2,608**

50–54 ****2,636**

55–59 ****2,583**

60–64 ****2,226**

65–69 ****1,811**

70–74 ****1,086**

75–79 ****665**

80+ ****680**

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 Nam Som?

Nam Som lies in [Udon Thani Province](https://wherepedia.org/thailand/udon-thani/), [Thailand](https://wherepedia.org/thailand/). It borders 5 other districts: [Ban Phue](https://wherepedia.org/thailand/udon-thani/ban-phue/), [Na Duang](https://wherepedia.org/thailand/loei/na-duang/), [Na Yung](https://wherepedia.org/thailand/udon-thani/na-yung/), [Pak Chom](https://wherepedia.org/thailand/loei/pak-chom/) and [Suwannakhuha](https://wherepedia.org/thailand/nong-bua-lam-phu/suwannakhuha/). By area it is the 326th largest of 928 districts in Thailand. It covers 5.4% of [Udon Thani Province](https://wherepedia.org/thailand/udon-thani/). The centre of Nam Som is about 480 km in a straight line from Bangkok, the capital. It is about 75 km from Udon Thani, the main town of Udon Thani Province. The centre point is at 17.7593° N, 102.1717° E. Local names: น้ำโสม .

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 Nam Som

Subdistrict Area km² Localities Services 

[Ban Yuak](https://wherepedia.org/thailand/udon-thani/nam-som/ban-yuak/) 93 15 6 

[Na Ngua](https://wherepedia.org/thailand/udon-thani/nam-som/na-ngua/) 51 9 48 

[Nam Som](https://wherepedia.org/thailand/udon-thani/nam-som/nam-som/) 201 17 12 

[Nong Waeng](https://wherepedia.org/thailand/udon-thani/nam-som/nong-waeng/) 63 15 15 

[Samakkhi](https://wherepedia.org/thailand/udon-thani/nam-som/samakkhi/) 72 8 3 

[Si Samran](https://wherepedia.org/thailand/udon-thani/nam-som/si-samran/) 45 14 31 

[Som Yiam](https://wherepedia.org/thailand/udon-thani/nam-som/som-yiam/) 73 5 2 

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 Nam Som

Open gazetteers list **81 villages, towns and localities** in Nam Som. The largest with a recorded population: Nam Som (19,324). Settlements here lie between about 200 m and 279 m above sea level (median 231 m).

- Ban Champa Thong
- Ban Champa Thong Noi
- Ban Charoen Chai
- Ban Charoen Suk
- Ban Chok Amnuai
- Ban Chok Chai
- Ban Dong Phatthana
- Ban Dong Tong
- Ban Hua Chang
- Ban Huai Charoen
- Ban Huai Saet
- Ban Khek Sa-at
- Ban Khok Noi
- Ban Khok Sa-at
- Ban Kut Na Kham
- Ban Muang
- Ban Na Chan
- Ban Na Ken
- Ban Na Mueang Thai
- Ban Na Ngua
- Ban Na Wat
- Ban Nam Pot
- Ban Nam Pu
- Ban Nam Pu Noi
- Ban Nam Som
- Ban Nam Song
- Ban Nam Suem
- Ban Nam Suem Noi
- Ban Namsum Noi
- Ban Non Bok
- Ban Non Muang
- Ban Non Na Pho
- Ban Non Na Pho Nuea
- Ban Non Pha Daeng
- Ban Non Pha Saeng
- Ban Non Phatthana
- Ban Non Phu Thong
- Ban Non Sa-at
- Ban Non Sawan
- Ban Non Sombun
- Ban Non Sung
- Ban Non Thongkham
- Ban Non Tong Kam
- Ban Nong Nam Khun
- Ban Nong Waeng
- Ban Pha Klang Na
- Ban Pha Ngam
- Ban Phasuk
- Ban Phon
- Ban Pon
- Ban Saeng Thong
- Ban Sakhon Phatthana
- Ban Sam Liam
- Ban Samakkhi
- Ban Santisuk
- Ban Sawatdi
- Ban Si Samran
- Ban Si Wi Lai
- Ban Siri Chai
- Ban Som Mai
- Ban Som Sa-at
- Ban Som Suk
- Ban Som Yiam
- Ban Tha Li
- Ban Tha Som
- Ban Thaen
- Ban Thai Rungrueang
- Ban Thep Prathan
- Ban Thung
- Ban Yuak
- Ban Yuak Noi
- Ban na mueng thai
- Ban num pu
- Charoensuk
- Khok Noi
- Nam Som
- Nam Song
- Nong Waeng
- Nong Waeng Noi
- Sam Luam
- Shakkon Phattana

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 Nam Som

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

### Water

5 reservoirs and tanks; 2 rivers and streams.

- Ang Kep Nam Ban Charoen Suk
- Ang Kep Nam Huai Nam Som
- Ang Kep Nam Huai Nam Song Ton Bon
- Ang Kep Nam Huai Nam Song Ton Lang
- Ang Kep Nam Klang
- Huai Nam Som
- Huai Nam Song

### Hills and mountains

8 mountains; 8 hills.

- Phu Khun Song · 692 m
- Phu Sang Nua · 584 m
- Phu Huai Makha · 476 m
- Phu Na Luang · 437 m
- Phu Sang Nong Ian · 423 m
- Phu Takhaeng · 360 m
- Phu Huai Phak Kha · 344 m
- Phu Kum Khao · 339 m
- Phu Pa Hia · 339 m
- Phu Pha Daeng · 330 m
- Phu Ruak · 330 m
- Phu Bak Choi · 313 m
- Phu Pha Song Hong · 269 m
- Phu Pha Thom · 219 m
- Phu Pha Thom · 219 m
- Phu Pha Dam · 215 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 Nam Som and the best time to visit

In Nam Som, the warmest month is Apr (average 29 °C) and the coolest is Dec (20 °C). About 1,164 mm of rain falls in a year; the wettest month is Aug (228 mm) and the driest Dec (7 mm). The most comfortable months for a visit are **October to March**.

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

Month Average °C Rain mm 

Jan 20 8 

Feb 24 12 

Mar 27 34 

Apr 29 65 

May 28 164 

Jun 27 158 

Jul 26 183 

Aug 26 228 

Sep 26 203 

Oct 24 86 

Nov 23 16 

Dec 20 7 

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

## Hospitals, banks and other services in Nam Som

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

- Hospitals20
- Banks4
- Petrol pumps13
- Hotels15
- Shopping malls2
- Schools6
- Colleges and universities3
- Pharmacies2
- Restaurants48
- Police stations2
- Dental clinics2

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 Nam Som?In Udon Thani Province, Thailand
- What is the population of Nam Som?33,372 (2023 estimate)
- What is the median age in Nam Som?About 41 years (2023 estimate)
- What is the population density of Nam Som?About 56 people per km²
- What borders Nam Som?Ban Phue, Na Duang, Na Yung, Pak Chom and Suwannakhuha
- How many villages are in Nam Som?81 named settlements (GeoNames, OpenStreetMap)
- What is the elevation of Nam Som?Settlements lie between 200 m and 279 m
- How many reservoirs and tanks are in Nam Som?5 named in GeoNames
- What is the highest point in Nam Som?Phu Khun Song (692 m, GeoNames elevation model)
- What is the best time to visit Nam Som?October to March
- How many hospitals are in Nam Som?20 mapped
- How many banks are in Nam Som?4 mapped
- How many petrol pumps are in Nam Som?13 mapped
- What is the P-code of Nam Som?TH4118 (OCHA common operational dataset)
