# Sai Noi, Nonthaburi Province – Subdistricts, Population & Map

> Source: https://wherepedia.org/thailand/nonthaburi/sai-noi/

District · Nonthaburi Province 

# Sai Noi

Sai Noi is a district (amphoe) of Thailand in Nonthaburi Province. It had an estimated **86,434 people** in 2023 on 200 km² (about 432 per km²). Its main town is Sai Noi. It is divided into 7 subdistricts. 66 named villages and localities are recorded here, and 280 mapped services such as hospitals, banks and schools.

- 86,434people (2023)
- 200km²
- 7subdistricts
- 280mapped services

## How many people live in Sai Noi?

Sai Noi had an estimated **86,434 people** in 2023 — 4.1% of Nonthaburi Province, 176th of 928 districts. There are 1,102 women for every 1,000 men (close to the Nonthaburi Province figure of 1,102). Spread over 200 km², that is about **432 people per km²**, 104th of 928 districts.

15.1% of people are children under 15 and 13.9% are 65 or older; the median age is about 41 years (it is 42 across Nonthaburi Province). For every 100 people of working age (15–64) there are 41 children and older people.

0–4 ****4,469**

5–9 ****4,380**

10–14 ****4,212**

15–19 ****4,267**

20–24 ****5,388**

25–29 ****6,409**

30–34 ****6,313**

35–39 ****6,310**

40–44 ****7,689**

45–49 ****7,613**

50–54 ****6,233**

55–59 ****5,911**

60–64 ****5,230**

65–69 ****4,061**

70–74 ****2,999**

75–79 ****2,966**

80+ ****1,984**

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 Noi?

Sai Noi lies in [Nonthaburi Province](https://wherepedia.org/thailand/nonthaburi/), [Thailand](https://wherepedia.org/thailand/). It borders 6 other districts: [Bang Bua Thong](https://wherepedia.org/thailand/nonthaburi/bang-bua-thong/), [Bang Len](https://wherepedia.org/thailand/nakhon-pathom/bang-len/), [Bang Yai](https://wherepedia.org/thailand/nonthaburi/bang-yai/), [Lat Bua Luang](https://wherepedia.org/thailand/phra-nakhon-si-ayutthaya/lat-bua-luang/), [Lat Lum Kaeo](https://wherepedia.org/thailand/pathum-thani/lat-lum-kaeo/) and [Phutthamonthon](https://wherepedia.org/thailand/nakhon-pathom/phutthamonthon/). By area it is the 745th largest of 928 districts in Thailand. It covers 31.4% of [Nonthaburi Province](https://wherepedia.org/thailand/nonthaburi/). The centre of Sai Noi is about 35 km in a straight line from Bangkok, the capital. It is about 27 km from Mueang Nonthaburi, the main town of Nonthaburi Province. The centre point is at 14.0047° N, 100.3084° E. Local names: ไทรน้อย .

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 Noi

Subdistrict Area km² Localities Services 

[Khlong Khwang](https://wherepedia.org/thailand/nonthaburi/sai-noi/khlong-khwang/) 25 9 54 

[Khun Si](https://wherepedia.org/thailand/nonthaburi/sai-noi/khun-si/) 25 8 16 

[Nong Phrao Ngai](https://wherepedia.org/thailand/nonthaburi/sai-noi/nong-phrao-ngai/) 31 17 29 

[Rat Niyom](https://wherepedia.org/thailand/nonthaburi/sai-noi/rat-niyom/) 32 5 31 

[Sai Noi](https://wherepedia.org/thailand/nonthaburi/sai-noi/sai-noi/) 24 9 106 

[Sai Yai](https://wherepedia.org/thailand/nonthaburi/sai-noi/sai-yai/) 38 16 36 

[Thawi Watthana](https://wherepedia.org/thailand/nonthaburi/sai-noi/thawi-watthana/) 26 9 8 

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 Noi

Open gazetteers list **66 villages, towns and localities** in Sai Noi. Settlements here lie between about 2 m and 9 m above sea level (median 5 m).

- Ban Bang O
- Ban Chao Fueang
- Ban Khamen
- Ban Khlong Chao Thawi Watthana
- Ban Khlong Farang
- Ban Khlong Ha Roi
- Ban Khlong Khun Si
- Ban Khlong Khwang
- Ban Khlong Khwang Ha Roi
- Ban Khlong Lat Si Nuan
- Ban Khlong Ma Song
- Ban Khlong Makluea
- Ban Khlong Mom Chaem
- Ban Khlong Mon Mi Chai
- Ban Khlong Na Mon
- Ban Khlong Naraphirom
- Ban Khlong Nueng
- Ban Khlong Phra Phimon
- Ban Khlong Phra Phimon Racha
- Ban Khlong Pracham
- Ban Khlong Sam
- Ban Khlong Seni Wong
- Ban Khlong Sip Sok
- Ban Khlong Song
- Ban Khlong Song Lang
- Ban Khlong Ta Chom
- Ban Khlong Ta Khlai
- Ban Khlong To Nui
- Ban Khu Khlong Khwang
- Ban Klong Ta Sang
- Ban Krathum Muet
- Ban Krathum Rai
- Ban Kut Khlong Khwang
- Ban Lak Khon
- Ban Lim Kun
- Ban Mai
- Ban Ming Khwan
- Ban Mom Chaem
- Ban Na Luang
- Ban Nong Phrao Ngai
- Ban Nong Rat Krachet
- Ban Nong Sam Bat
- Ban Nong Thap
- Ban Pak Bueng
- Ban Pak Khlong Chao
- Ban Pak Khlong Ha Roi
- Ban Pak Khlong Mom Chaem
- Ban Pak Khlong Ta Khlai
- Ban Pat Mon
- Ban Plai Khlong Khun Si
- Ban Plai Khlong Masong
- Ban Rat Niyom
- Ban Sahakon
- Ban Sai Noi
- Ban Sai Yai
- Ban Sai Yai (2)
- Ban Sam Mueang
- Ban Wat Phrao Ngai
- Ban Wat Samoson
- Ban Wat Yot Phra Phimon
- Muban Mit Pracha
- Muban Nanthicha
- Muban Nanthicha 2
- Muban Nanthicha Si
- Muban Phimon Rat
- Sai Noi

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 Noi

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

### Water

2 rivers and streams.

- Khlong Ta Cham
- Khlong Trong

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 Noi and the best time to visit

In Sai Noi, the warmest month is Apr (average 31 °C) and the coolest is Dec (25 °C). About 1,195 mm of rain falls in a year; the wettest month is Sep (235 mm) and the driest Dec (9 mm). The most comfortable months for a visit are **November to January**.

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

Month Average °C Rain mm 

Jan 26 15 

Feb 29 11 

Mar 30 45 

Apr 31 65 

May 30 148 

Jun 29 134 

Jul 28 138 

Aug 28 138 

Sep 27 235 

Oct 27 212 

Nov 26 46 

Dec 25 9 

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

## Hospitals, banks and other services in Sai Noi

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

- Hospitals20
- Banks6
- Petrol pumps18
- Hotels9
- Shopping malls4
- Schools13
- Colleges and universities7
- Pharmacies4
- Restaurants194
- Police stations3
- 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 Sai Noi?In Nonthaburi Province, Thailand
- What is the population of Sai Noi?86,434 (2023 estimate)
- What is the median age in Sai Noi?About 41 years (2023 estimate)
- What is the population density of Sai Noi?About 432 people per km²
- What borders Sai Noi?Bang Bua Thong, Bang Len, Bang Yai, Lat Bua Luang, Lat Lum Kaeo and Phutthamonthon
- How many villages are in Sai Noi?66 named settlements (GeoNames, OpenStreetMap)
- What is the elevation of Sai Noi?Settlements lie between 2 m and 9 m
- What is the best time to visit Sai Noi?November to January
- How many hospitals are in Sai Noi?20 mapped
- How many banks are in Sai Noi?6 mapped
- How many petrol pumps are in Sai Noi?18 mapped
- What is the P-code of Sai Noi?TH1205 (OCHA common operational dataset)