# Wiang Chai, Chiang Rai Province – Subdistricts & Population > Source: https://wherepedia.org/thailand/chiang-rai/wiang-chai/ District · Chiang Rai Province # Wiang Chai Wiang Chai is a district (amphoe) of Thailand in Chiang Rai Province. It had an estimated **35,676 people** in 2023 on 349 km² (about 102 per km²). Its main town is Wiang Chai. It is divided into 5 subdistricts. 78 named villages and localities are recorded here, and 135 mapped services such as hospitals, banks and schools. - 35,676people (2023) - 349km² - 5subdistricts - 135mapped services ## How many people live in Wiang Chai? Wiang Chai had an estimated **35,676 people** in 2023 — 3.4% of Chiang Rai Province, 510th of 928 districts. There are 929 women for every 1,000 men (below the Chiang Rai Province figure of 1,036). Spread over 349 km², that is about **102 people per km²**, 354th of 928 districts. 13.0% of people are children under 15 and 16.7% are 65 or older; the median age is about 49 years (it is 46 across Chiang Rai Province). For every 100 people of working age (15–64) there are 42 children and older people. 0–4 ****1,432** 5–9 ****1,478** 10–14 ****1,712** 15–19 ****1,721** 20–24 ****1,142** 25–29 ****1,431** 30–34 ****1,651** 35–39 ****1,912** 40–44 ****2,620** 45–49 ****3,602** 50–54 ****4,115** 55–59 ****4,047** 60–64 ****2,838** 65–69 ****2,212** 70–74 ****1,545** 75–79 ****1,215** 80+ ****1,003** 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 Wiang Chai? Wiang Chai lies in [Chiang Rai Province](https://wherepedia.org/thailand/chiang-rai/), [Thailand](https://wherepedia.org/thailand/). It borders 4 other districts: [Mueang Chiang Rai](https://wherepedia.org/thailand/chiang-rai/mueang-chiang-rai/), [Phaya Mengrai](https://wherepedia.org/thailand/chiang-rai/phaya-mengrai/), [Thoeng](https://wherepedia.org/thailand/chiang-rai/thoeng/) and [Wiang Chiang Rung](https://wherepedia.org/thailand/chiang-rai/wiang-chiang-rung/). By area it is the 539th largest of 928 districts in Thailand. It covers 3.0% of [Chiang Rai Province](https://wherepedia.org/thailand/chiang-rai/). The centre of Wiang Chai is about 681 km in a straight line from Bangkok, the capital. It is about 16 km from Chiang Rai, the main town of Chiang Rai Province. The centre point is at 19.8622° N, 99.9779° E. Local names: เวียงชัย . 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 Wiang Chai Subdistrict Area km² Localities Services [Don Sila](https://wherepedia.org/thailand/chiang-rai/wiang-chai/don-sila/) 98 20 20 [Mueang Chum](https://wherepedia.org/thailand/chiang-rai/wiang-chai/mueang-chum/) 40 16 17 [Pha Ngam](https://wherepedia.org/thailand/chiang-rai/wiang-chai/pha-ngam/) 114 11 13 [Wiang Chai](https://wherepedia.org/thailand/chiang-rai/wiang-chai/wiang-chai/) 51 20 75 [Wiang Nuea](https://wherepedia.org/thailand/chiang-rai/wiang-chai/wiang-nuea/) 47 11 10 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 Wiang Chai Open gazetteers list **78 villages, towns and localities** in Wiang Chai. Settlements here lie between about 358 m and 418 m above sea level (median 393 m). - Baan Samanmit - Ban Chai Charoen - Ban Chai Narai - Ban Chai Niwet - Ban Chai Prakan - Ban Chaiyaphon - Ban Chaiyaphuek - Ban Chaiyaphum - Ban Cho Charoen - Ban Chong Charoen - Ban Chong Lom - Ban Dai - Ban Dai Charoen - Ban Dai Ku Kaeo - Ban Dai Tha Lo - Ban Doi Ngam - Ban Don - Ban Don Kaeo - Ban Don Klang - Ban Don Mun - Ban Don Tai - Ban Dong Matuen - Ban Hua Fai - Ban Huai Luek - Ban Khai Charoen - Ban Klang Wiang - Ban Lin Kong Chun - Ban Ling Kunchon - Ban Mai Charoen - Ban Mai Don Rueang - Ban Mai Mongkhon - Ban Mai Mongkhong - Ban Mai Mueang Chum - Ban Mai Pho Ngam - Ban Mueang Chum - Ban Noen Sayam - Ban Nong Bua Pha Bom - Ban Nong Lom - Ban Nong Luang - Ban Pa Bong - Ban Pa Yang Noi - Ban Pang Poi - Ban Pha Ngam - Ban Pho Chai - Ban Rat Charoen - Ban Rong Bua Loi - Ban Rong Ha - Ban Rong Khue - Ban Sakoen - Ban Samanmit - Ban San Khilek - Ban San Muang Kham - Ban San Ngon Thai - Ban San Salit - Ban San Ton Du - Ban San Ton Haen - Ban Si Don Rueang - Ban Si Wiang - Ban Tha Bandai - Ban Thung Khong - Ban Thung Ko - Ban Thung Yang - Ban Thung Young Mai - Ban Trai Kaeo - Ban Wang Chang - Ban Wiang Chai - Ban Wiang Chai Thong - Ban Wiang Doem - Ban Wiang Kaeo - Ban Wiang Nuea - Ban Wiang Pang Kham - Ban Wiang Thong - Ban Yang - Ban Yok Charoen - Tung Pa Tew - Wiang Chai - บ้านดอนใต้ - บ้านเวียงแก้ว 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 Wiang Chai Named natural and historic features inside Wiang Chai, from the GeoNames gazetteer. ### Water 11 reservoirs and tanks; 9 rivers and streams. - Ang Kep Nam Huai Chang Phueak - Ang Kep Nam Huai Hom - Ang Kep Nam Huai Khilek - Ang Kep Nam Huai Tum - Ang Kep Nam Huai Yang - Ang Kep Nam Huai Yang - Ang Kep Nam Jom Tong - Ang Kep Nam Kio An - Ang Kep Nam Mae Tak - Ang Kep Nam Nong Bua - Ang Kep Nam Rai Sin Thon - Huai Bong - Huai Hia - Huai Hom Hae - Huai Kang Pla - Huai Khilek - Huai Pong Khoi - Nam Mae Lao - Nam Mae Sakoen - Rong Ha ### Hills and mountains 13 mountains. - Doi Hom Hae · 621 m - Doi Pa Khian Ngam · 614 m - Doi Om · 613 m - Doi Mae Pao · 603 m - Doi Pha Ngam · 600 m - Doi Cho Yao · 576 m - Doi Pae Luang · 569 m - Doi Ung · 555 m - Doi Mae Ok Ru · 536 m - Khao Pha Chang · 524 m - Doi Lan · 503 m - Doi Kio-An · 448 m - Doi Pha Don Sila · 411 m ### Forests and nature 2 parks. - Happy City Golf Resort - Santiburi Country Club Chiang Rai 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 Wiang Chai and the best time to visit In Wiang Chai, the warmest month is Apr (average 28 °C) and the coolest is Dec (19 °C). About 1,327 mm of rain falls in a year; the wettest month is Aug (284 mm) and the driest Feb (5 mm). The most comfortable months for a visit are **October to April**. - Jan - Feb - Mar - Apr - May - Jun - Jul - Aug - Sep - Oct - Nov - Dec Month Average °C Rain mm Jan 19 19 Feb 22 5 Mar 25 26 Apr 28 72 May 27 178 Jun 27 141 Jul 26 245 Aug 25 284 Sep 25 210 Oct 24 99 Nov 22 34 Dec 19 15 Source: [NASA POWER climatology, retrieved 2026-10-29](https://power.larc.nasa.gov/). ## Hospitals, banks and other services in Wiang Chai Places mapped inside Wiang Chai in open map data, by type — each number opens the full list with locations. - Hospitals15 - Banks3 - ATMs1 - Petrol pumps9 - Hotels15 - Schools17 - Colleges and universities1 - Pharmacies2 - Restaurants69 - Police stations2 - Dental clinics1 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 Wiang Chai?In Chiang Rai Province, Thailand - What is the population of Wiang Chai?35,676 (2023 estimate) - What is the median age in Wiang Chai?About 49 years (2023 estimate) - What is the population density of Wiang Chai?About 102 people per km² - What borders Wiang Chai?Mueang Chiang Rai, Phaya Mengrai, Thoeng and Wiang Chiang Rung - How many villages are in Wiang Chai?78 named settlements (GeoNames, OpenStreetMap) - What is the elevation of Wiang Chai?Settlements lie between 358 m and 418 m - How many reservoirs and tanks are in Wiang Chai?11 named in GeoNames - What is the highest point in Wiang Chai?Doi Hom Hae (621 m, GeoNames elevation model) - What is the best time to visit Wiang Chai?October to April - How many hospitals are in Wiang Chai?15 mapped - How many banks are in Wiang Chai?3 mapped - How many ATMs are in Wiang Chai?1 mapped - How many petrol pumps are in Wiang Chai?9 mapped - What is the P-code of Wiang Chai?TH5702 (OCHA common operational dataset)