# Sap Yai, Chaiyaphum Province – Subdistricts, Population & Map > Source: https://wherepedia.org/thailand/chaiyaphum/sap-yai/ District · Chaiyaphum Province # Sap Yai Sap Yai is a district (amphoe) of Thailand in Chaiyaphum Province. It had an estimated **9,353 people** in 2023 on 280 km² (about 33 per km²). Its main town is Sap Yai. It is divided into 3 subdistricts. 42 named villages and localities are recorded here, and 24 mapped services such as hospitals, banks and schools. - 9,353people (2023) - 280km² - 3subdistricts - 24mapped services ## How many people live in Sap Yai? Sap Yai had an estimated **9,353 people** in 2023 — 1.3% of Chaiyaphum Province, 906th of 928 districts. There are 1,076 women for every 1,000 men (close to the Chaiyaphum Province figure of 1,065). Spread over 280 km², that is about **33 people per km²**, 840th of 928 districts. 21.9% of people are children under 15 and 14.3% are 65 or older; the median age is about 41 years (it is 46 across Chaiyaphum Province). For every 100 people of working age (15–64) there are 57 children and older people. 0–4 ****677** 5–9 ****690** 10–14 ****677** 15–19 ****537** 20–24 ****374** 25–29 ****450** 30–34 ****482** 35–39 ****603** 40–44 ****732** 45–49 ****762** 50–54 ****718** 55–59 ****667** 60–64 ****651** 65–69 ****489** 70–74 ****397** 75–79 ****258** 80+ ****189** 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 Sap Yai? Sap Yai lies in [Chaiyaphum Province](https://wherepedia.org/thailand/chaiyaphum/), [Thailand](https://wherepedia.org/thailand/). It borders 4 other districts: [Bamnet Narong](https://wherepedia.org/thailand/chaiyaphum/bamnet-narong/), [Chatturat](https://wherepedia.org/thailand/chaiyaphum/chatturat/), [Nong Bua Rawe](https://wherepedia.org/thailand/chaiyaphum/nong-bua-rawe/) and [Thep Sathit](https://wherepedia.org/thailand/chaiyaphum/thep-sathit/). By area it is the 632nd largest of 928 districts in Thailand. It covers 2.2% of [Chaiyaphum Province](https://wherepedia.org/thailand/chaiyaphum/). The centre of Sap Yai is about 239 km in a straight line from Bangkok, the capital. It is about 50 km from Chaiyaphum, the main town of Chaiyaphum Province. The centre point is at 15.6144° N, 101.6087° E. Local names: ซับใหญ่ . 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 Sap Yai Subdistrict Area km² Localities Services [Sap Yai](https://wherepedia.org/thailand/chaiyaphum/sap-yai/sap-yai/) 116 14 15 [Tako Thong](https://wherepedia.org/thailand/chaiyaphum/sap-yai/tako-thong/) 53 13 4 [Tha Kup](https://wherepedia.org/thailand/chaiyaphum/sap-yai/tha-kup/) 112 15 5 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 Sap Yai Open gazetteers list **42 villages, towns and localities** in Sap Yai. Settlements here lie between about 215 m and 389 m above sea level (median 257 m). - Ban Bu Chanuan - Ban Chom Kaeo Phatthana - Ban Fai Sat - Ban Hin Pun - Ban Hin Rong - Ban Hua Khu - Ban Huai Charoen Phon - Ban Huai Luk - Ban Huai Sompoi - Ban Khuean Lan - Ban Kum Sung - Ban Non Champa - Ban Non Sa-at - Ban Non Samran - Ban Nong Bua - Ban Nong Hua Men - Ban Nong Na Ta Si - Ban Nong Nok Khian - Ban Nong Yai - Ban Nong Yang Phatthana - Ban Pong Ket - Ban Pong Talat - Ban Sap Chan - Ban Sap Charoen Suk - Ban Sap Hang - Ban Sap Mai - Ban Sap Sa-uai - Ban Sap Sai-O - Ban Sap Sombun - Ban Sok Hoikhom - Ban Tako Thong - Ban Taluk Khun - Ban Tha Chuan - Ban Tha Kup - Ban Wang Duen - Ban Wang Khon Sak - Ban Wang Khue - Ban Wang Kung - Ban Wang Muang - Ban Wang Phong - Ban Wang Rang - Sap Yai 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 Sap Yai Named natural and historic features inside Sap Yai, from the GeoNames gazetteer. ### Water 5 reservoirs and tanks. - Ang Kep Nam Ban Tha Taeng - Ang Kep Nam Ban Wang Kung - Ang Kep Nam Huai Sai - Ang Kep Nam Huai Sap Yai - Ang Kep Nam Huai Som Poi ### Hills and mountains 3 mountains. - Khao Nang Rak · 665 m - Khao Khok Noi · 435 m - Khao Sap Yang · 415 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 Sap Yai and the best time to visit In Sap Yai, the warmest month is Apr (average 30 °C) and the coolest is Dec (23 °C). About 1,162 mm of rain falls in a year; the wettest month is Sep (259 mm) and the driest Dec (5 mm). The most comfortable months for a visit are **November to February**. - Jan - Feb - Mar - Apr - May - Jun - Jul - Aug - Sep - Oct - Nov - Dec Month Average °C Rain mm Jan 24 11 Feb 27 9 Mar 29 48 Apr 30 80 May 29 146 Jun 28 131 Jul 27 142 Aug 27 189 Sep 26 259 Oct 25 125 Nov 24 18 Dec 23 5 Source: [NASA POWER climatology, retrieved 2026-10-29](https://power.larc.nasa.gov/). ## Hospitals, banks and other services in Sap Yai Places mapped inside Sap Yai in open map data, by type — each number opens the full list with locations. - Hospitals8 - Banks1 - Hotels3 - Shopping malls1 - Schools3 - Restaurants7 - Police stations1 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 Sap Yai?In Chaiyaphum Province, Thailand - What is the population of Sap Yai?9,353 (2023 estimate) - What is the median age in Sap Yai?About 41 years (2023 estimate) - What is the population density of Sap Yai?About 33 people per km² - What borders Sap Yai?Bamnet Narong, Chatturat, Nong Bua Rawe and Thep Sathit - How many villages are in Sap Yai?42 named settlements (GeoNames, OpenStreetMap) - What is the elevation of Sap Yai?Settlements lie between 215 m and 389 m - How many reservoirs and tanks are in Sap Yai?5 named in GeoNames - What is the highest point in Sap Yai?Khao Nang Rak (665 m, GeoNames elevation model) - What is the best time to visit Sap Yai?November to February - How many hospitals are in Sap Yai?8 mapped - How many banks are in Sap Yai?1 mapped - What is the P-code of Sap Yai?TH3616 (OCHA common operational dataset)