# Sai Mai, Bangkok – Subdistricts, Population & Map

> Source: https://wherepedia.org/thailand/bangkok/sai-mai/

District · Bangkok 

# Sai Mai

Sai Mai is a district (amphoe) of Thailand in Bangkok. It had an estimated **255,696 people** in 2023 on 43 km² (about 5,881 per km²). Its main town is Sai Mai. It is divided into 3 subdistricts. 7 named villages and localities are recorded here, and 1,145 mapped services such as hospitals, banks and schools.

- 255,696people (2023)
- 43.5km²
- 3subdistricts
- 1,145mapped services

## How many people live in Sai Mai?

Sai Mai had an estimated **255,696 people** in 2023 — 2.2% of Bangkok, 47th of 928 districts. There are 1,043 women for every 1,000 men (close to the Bangkok figure of 1,051). Spread over 43 km², that is about **5,881 people per km²**, 42nd of 928 districts.

13.7% of people are children under 15 and 10.4% are 65 or older; the median age is about 40 years (it is 38 across Bangkok). For every 100 people of working age (15–64) there are 32 children and older people.

0–4 ****10,539**

5–9 ****11,679**

10–14 ****12,719**

15–19 ****14,460**

20–24 ****15,123**

25–29 ****18,973**

30–34 ****20,771**

35–39 ****21,594**

40–44 ****25,013**

45–49 ****25,087**

50–54 ****21,795**

55–59 ****17,578**

60–64 ****13,872**

65–69 ****10,531**

70–74 ****7,582**

75–79 ****4,194**

80+ ****4,186**

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 Mai?

Sai Mai lies in [Bangkok](https://wherepedia.org/thailand/bangkok/), [Thailand](https://wherepedia.org/thailand/). It borders 4 other districts: [Bang Khen](https://wherepedia.org/thailand/bangkok/bang-khen/), [Don Mueang](https://wherepedia.org/thailand/bangkok/don-mueang/), [Khlong Sam Wa](https://wherepedia.org/thailand/bangkok/khlong-sam-wa/) and [Lam Luk Ka](https://wherepedia.org/thailand/pathum-thani/lam-luk-ka/). By area it is the 884th largest of 928 districts in Thailand. It covers 2.8% of [Bangkok](https://wherepedia.org/thailand/bangkok/). The centre of Sai Mai is about 24 km in a straight line from Bangkok, the capital. The centre point is at 13.9123° N, 100.6511° E. Local names: สายไหม .

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 Mai

Subdistrict Area km² Localities Services 

[Khlong Thanon](https://wherepedia.org/thailand/bangkok/sai-mai/khlong-thanon/) 12 4 388 

[O Ngoen](https://wherepedia.org/thailand/bangkok/sai-mai/o-ngoen/) 15 1 159 

[Sai Mai](https://wherepedia.org/thailand/bangkok/sai-mai/sai-mai/) 16 2 598 

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 Mai

Open gazetteers list **7 villages, towns and localities** in Sai Mai. The largest with a recorded population: Sai Mai (188,123) and Anusawari (94,550). Settlements here lie between about 2 m and 4 m above sea level (median 4 m).

- Anusawari
- Ban Nong Khwang Tawan
- Ban Sam Ngam
- Khlong Thanon
- O Ngoen
- Sai Mai
- Wat Lum Charoen Sattha Community

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).

## Weather in Sai Mai and the best time to visit

In Sai Mai, the warmest month is Apr (average 31 °C) and the coolest is Dec (25 °C). About 1,361 mm of rain falls in a year; the wettest month is Sep (278 mm) and the driest Dec (10 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 16 

Feb 29 14 

Mar 30 47 

Apr 31 75 

May 30 164 

Jun 28 165 

Jul 28 169 

Aug 28 181 

Sep 27 278 

Oct 27 203 

Nov 26 39 

Dec 25 10 

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

## Hospitals, banks and other services in Sai Mai

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

- Hospitals87
- Banks36
- ATMs9
- Petrol pumps42
- Hotels24
- Shopping malls9
- Schools28
- Colleges and universities10
- Pharmacies22
- Restaurants829
- Police stations2
- Dental clinics47

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 Mai?In Bangkok, Thailand
- What is the population of Sai Mai?255,696 (2023 estimate)
- What is the median age in Sai Mai?About 40 years (2023 estimate)
- What is the population density of Sai Mai?About 5,881 people per km²
- What borders Sai Mai?Bang Khen, Don Mueang, Khlong Sam Wa and Lam Luk Ka
- How many villages are in Sai Mai?7 named settlements (GeoNames, OpenStreetMap)
- What is the elevation of Sai Mai?Settlements lie between 2 m and 4 m
- What is the best time to visit Sai Mai?November to January
- How many hospitals are in Sai Mai?87 mapped
- How many banks are in Sai Mai?36 mapped
- How many ATMs are in Sai Mai?9 mapped
- How many petrol pumps are in Sai Mai?42 mapped
- What is the P-code of Sai Mai?TH1042 (OCHA common operational dataset)