# Sam Chai, Kalasin Province – Subdistricts, Population & Map > Source: https://wherepedia.org/thailand/kalasin/sam-chai/ District · Kalasin Province # Sam Chai Sam Chai is a district (amphoe) of Thailand in Kalasin Province. It had an estimated **17,145 people** in 2023 on 333 km² (about 51 per km²). Its main town is Samran. It is divided into 4 subdistricts. 45 named villages and localities are recorded here, and 40 mapped services such as hospitals, banks and schools. - 17,145people (2023) - 333km² - 4subdistricts - 40mapped services ## How many people live in Sam Chai? Sam Chai had an estimated **17,145 people** in 2023 — 2.8% of Kalasin Province, 811th of 928 districts. There are 972 women for every 1,000 men (below the Kalasin Province figure of 1,056). Spread over 333 km², that is about **51 people per km²**, 743rd of 928 districts. 21.7% of people are children under 15 and 13.3% are 65 or older; the median age is about 41 years (it is 44 across Kalasin Province). For every 100 people of working age (15–64) there are 54 children and older people. 0–4 ****1,265** 5–9 ****1,279** 10–14 ****1,174** 15–19 ****928** 20–24 ****591** 25–29 ****746** 30–34 ****981** 35–39 ****1,245** 40–44 ****1,459** 45–49 ****1,366** 50–54 ****1,290** 55–59 ****1,331** 60–64 ****1,216** 65–69 ****992** 70–74 ****608** 75–79 ****337** 80+ ****337** 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 Sam Chai? Sam Chai lies in [Kalasin Province](https://wherepedia.org/thailand/kalasin/), [Thailand](https://wherepedia.org/thailand/). It borders 4 other districts: [Kham Muang](https://wherepedia.org/thailand/kalasin/kham-muang/), [Nong Kung Si](https://wherepedia.org/thailand/kalasin/nong-kung-si/), [Sahatsakhan](https://wherepedia.org/thailand/kalasin/sahatsakhan/) and [Wang Sam Mo](https://wherepedia.org/thailand/udon-thani/wang-sam-mo/). By area it is the 559th largest of 928 districts in Thailand. It covers 4.8% of [Kalasin Province](https://wherepedia.org/thailand/kalasin/). The centre of Sam Chai is about 479 km in a straight line from Bangkok, the capital. It is about 53 km from Kalasin, the main town of Kalasin Province. The centre point is at 16.9115° N, 103.5397° E. Local names: สามชัย . 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 Sam Chai Subdistrict Area km² Localities Services [Kham Sang Thiang](https://wherepedia.org/thailand/kalasin/sam-chai/kham-sang-thiang/) 50 8 3 [Nong Chang](https://wherepedia.org/thailand/kalasin/sam-chai/nong-chang/) 58 8 10 [Samran](https://wherepedia.org/thailand/kalasin/sam-chai/samran/) 141 16 20 [Samran Tai](https://wherepedia.org/thailand/kalasin/sam-chai/samran-tai/) 84 15 7 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 Sam Chai Open gazetteers list **45 villages, towns and localities** in Sam Chai. Settlements here lie between about 167 m and 422 m above sea level (median 186 m). - Ban Chan - Ban Dan Mek - Ban Dong Tao - Ban Hua Dong - Ban Huai Yang - Ban Kham Hung - Ban Kham Khaen - Ban Kham Khuean Kaeo - Ban Kham Khuean Kaeo Nuea - Ban Kham Lo - Ban Kham Nam Sai - Ban Kham Pa Wai - Ban Kham Sang Thiang - Ban Kham Udom - Ban Kho - Ban Khok Klang - Ban Khok Samran - Ban Kut Hae - Ban Kut Hae Kao - Ban Na Dun - Ban Noi Na Rai Diao - Ban Non Sila Thong - Ban Non Sombun - Ban Non Tae - Ban Non Than - Ban Nong Chang - Ban Nong Hai - Ban Nong Kaen Sai - Ban Nong Khaen - Ban Nong Kung Gluang - Ban Nong Kung Klang - Ban Nong Kung Noi - Ban Nong Kung Yai - Ban Nong Phai - Ban Nong Saeng - Ban Nong Saeng Nuea - Ban Nong Sim - Ban Nong Sim Mai - Ban Phon Charoen - Ban Tha Chang - Ban Tha Na Chan - Ban Tha Ngam - Sam Chai - Samran - Yan Nong Kung 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 Sam Chai Named natural and historic features inside Sam Chai, from the GeoNames gazetteer. ### Water 2 reservoirs and tanks; 2 rivers and streams. - Ang Kep Nam Nong Faek - Ang Kep Nam Rong Kham Daeng - Huai Haet - Huai Sang Ka ### Hills and mountains 2 hills; 1 mountain. - Phu Thak Pok · 446 m - Phu Katae · 261 m - Phu Nang Kaeo · 227 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 Sam Chai and the best time to visit In Sam Chai, 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 Sam Chai Places mapped inside Sam Chai in open map data, by type — each number opens the full list with locations. - Hospitals7 - Banks2 - Hotels2 - Schools5 - Colleges and universities1 - Restaurants20 - 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 Sam Chai?In Kalasin Province, Thailand - What is the population of Sam Chai?17,145 (2023 estimate) - What is the median age in Sam Chai?About 41 years (2023 estimate) - What is the population density of Sam Chai?About 51 people per km² - What borders Sam Chai?Kham Muang, Nong Kung Si, Sahatsakhan and Wang Sam Mo - How many villages are in Sam Chai?45 named settlements (GeoNames, OpenStreetMap) - What is the elevation of Sam Chai?Settlements lie between 167 m and 422 m - How many reservoirs and tanks are in Sam Chai?2 named in GeoNames - What is the highest point in Sam Chai?Phu Thak Pok (446 m, GeoNames elevation model) - What is the best time to visit Sam Chai?October to February - How many hospitals are in Sam Chai?7 mapped - How many banks are in Sam Chai?2 mapped - What is the P-code of Sam Chai?TH4615 (OCHA common operational dataset)