# Nong Ya Sai, Suphan Buri Province – Subdistricts & Population > Source: https://wherepedia.org/thailand/suphan-buri/nong-ya-sai/ District · Suphan Buri Province # Nong Ya Sai Nong Ya Sai is a district (amphoe) of Thailand in Suphan Buri Province. It had an estimated **38,498 people** in 2023 on 431 km² (about 89 per km²). Its main town is Nong Yasai. It is divided into 6 subdistricts. 100 named villages and localities are recorded here, and 97 mapped services such as hospitals, banks and schools. - 38,498people (2023) - 431km² - 6subdistricts - 97mapped services ## How many people live in Nong Ya Sai? Nong Ya Sai had an estimated **38,498 people** in 2023 — 5.5% of Suphan Buri Province, 478th of 928 districts. There are 1,105 women for every 1,000 men (close to the Suphan Buri Province figure of 1,105). Spread over 431 km², that is about **89 people per km²**, 439th of 928 districts. 16.0% of people are children under 15 and 18.8% are 65 or older; the median age is about 47 years (it is 46 across Suphan Buri Province). For every 100 people of working age (15–64) there are 53 children and older people. 0–4 ****1,987** 5–9 ****2,068** 10–14 ****2,091** 15–19 ****1,758** 20–24 ****1,477** 25–29 ****1,763** 30–34 ****1,753** 35–39 ****2,011** 40–44 ****2,790** 45–49 ****3,432** 50–54 ****3,429** 55–59 ****3,565** 60–64 ****3,141** 65–69 ****2,633** 70–74 ****2,115** 75–79 ****1,160** 80+ ****1,325** 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 Nong Ya Sai? Nong Ya Sai lies in [Suphan Buri Province](https://wherepedia.org/thailand/suphan-buri/), [Thailand](https://wherepedia.org/thailand/). It borders 5 other districts: [Dan Chang](https://wherepedia.org/thailand/suphan-buri/dan-chang/), [Doem Bang Nang Buat](https://wherepedia.org/thailand/suphan-buri/doem-bang-nang-buat/), [Don Chedi](https://wherepedia.org/thailand/suphan-buri/don-chedi/), [Lao Khwan](https://wherepedia.org/thailand/kanchanaburi/lao-khwan/) and [Sam Chuk](https://wherepedia.org/thailand/suphan-buri/sam-chuk/). By area it is the 482nd largest of 928 districts in Thailand. It covers 7.9% of [Suphan Buri Province](https://wherepedia.org/thailand/suphan-buri/). The centre of Nong Ya Sai is about 136 km in a straight line from Bangkok, the capital. It is about 47 km from Suphan Buri, the main town of Suphan Buri Province. The centre point is at 14.7771° N, 99.8149° E. Local names: หนองหญ้าไซ . 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 Nong Ya Sai Subdistrict Area km² Localities Services [Chaeng Ngam](https://wherepedia.org/thailand/suphan-buri/nong-ya-sai/chaeng-ngam/) 64 15 9 [Nong Kham](https://wherepedia.org/thailand/suphan-buri/nong-ya-sai/nong-kham/) 63 16 26 [Nong Pho](https://wherepedia.org/thailand/suphan-buri/nong-ya-sai/nong-pho/) 72 15 14 [Nong Ratchawat](https://wherepedia.org/thailand/suphan-buri/nong-ya-sai/nong-ratchawat/) 69 22 6 [Nong Ya Sai](https://wherepedia.org/thailand/suphan-buri/nong-ya-sai/nong-ya-sai/) 81 16 29 [Thap Luang](https://wherepedia.org/thailand/suphan-buri/nong-ya-sai/thap-luang/) 82 22 13 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 Nong Ya Sai Open gazetteers list **100 villages, towns and localities** in Nong Ya Sai. Settlements here lie between about 18 m and 82 m above sea level (median 36 m). - Ban Bang Krok - Ban Bo Samran - Ban Bo Wa - Ban Chaeng Ngam - Ban Dan Chang - Ban Den Ta Phat - Ban Don Kamphaeng - Ban Don Khi Ai Sung - Ban Don Klang - Ban Don Samrong - Ban Don Tan Siap - Ban Dong Chueak - Ban Dong Po Daeng - Ban Huai Long - Ban Huai Ma Loi - Ban Huai Makham - Ban Huai Nam Chan - Ban Khok Phra - Ban Khong Bo Rae - Ban Ko Kaeo - Ban Ko Krang - Ban Kon Kaeo - Ban Kong Kampan - Ban Lam Phan Bong - Ban Mai Rai Oi - Ban Map Payom - Ban Map Phayom - Ban Noen Ko - Ban Noi Plai Kradon - Ban Non - Ban Nong Chik Yao - Ban Nong Fang - Ban Nong Hang - Ban Nong Hin Pun - Ban Nong Hip - Ban Nong I Phang - Ban Nong Kae Pong - Ban Nong Kae Ta Yaem - Ban Nong Kang Yao - Ban Nong Khae - Ban Nong Kham - Ban Nong Khan Hong - Ban Nong Khang - Ban Nong Khrok - Ban Nong Ko - Ban Nong Krap - Ban Nong Krathin - Ban Nong Krathing - Ban Nong Krathing Thong - Ban Nong Krathum - Ban Nong Kratin - Ban Nong Kwang - Ban Nong Luang - Ban Nong Ma Fan - Ban Nong Mai Chaikhlui - Ban Nong Masang - Ban Nong Matum - Ban Nong Nae - Ban Nong Phak I Rai - Ban Nong Phak Pong - Ban Nong Phlap - Ban Nong Pho - Ban Nong Phueng - Ban Nong Plarot - Ban Nong Po - Ban Nong Rakam - Ban Nong Ratchawat - Ban Nong Sai - Ban Nong Samrong - Ban Nong San - Ban Nong Song Hong - Ban Nong Suea Ten - Ban Nong Ta Thet Dot - Ban Nong Tao Thong - Ban Nong Yakhao - Ban Pa Phai - Ban Phrong Nak - Ban Pong Lamang - Ban Rai Oi - Ban Rat Bamrung - Ban Rong Suan Kluai - Ban Sa Kloi - Ban Sa Toei - Ban Samakkhi Tham - Ban Samnak Khro - Ban San Chop - Ban Thale Phlo - Ban Thap Khwai - Ban Thap Luang - Ban Thap Makhuea - Ban Thap Ta Thaen - Ban Thap Yai Dap - Ban Thep Dokmai - Ban Thung Mai Ngam - Ban Thung Nong - Ban Thung Nong Kaeo - Ban Thung Samae - Ban Tuen Laen - Ban Wang Nam Chon - Nong Yasai 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 Nong Ya Sai Named natural and historic features inside Nong Ya Sai, from the GeoNames gazetteer. ### Water 2 rivers and streams. - Huai Nam Ron - Huai Nong Khayaeng 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 Nong Ya Sai and the best time to visit In Nong Ya Sai, the warmest month is Apr (average 32 °C) and the coolest is Dec (24 °C). About 1,209 mm of rain falls in a year; the wettest month is Sep (248 mm) and the driest Dec (8 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 9 Feb 29 11 Mar 31 39 Apr 32 65 May 30 148 Jun 29 144 Jul 28 161 Aug 27 174 Sep 27 248 Oct 26 174 Nov 25 31 Dec 24 8 Source: [NASA POWER climatology, retrieved 2026-10-29](https://power.larc.nasa.gov/). ## Hospitals, banks and other services in Nong Ya Sai Places mapped inside Nong Ya Sai in open map data, by type — each number opens the full list with locations. - Hospitals14 - Banks2 - Petrol pumps8 - Hotels3 - Schools32 - Colleges and universities1 - Restaurants35 - Police stations2 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 Nong Ya Sai?In Suphan Buri Province, Thailand - What is the population of Nong Ya Sai?38,498 (2023 estimate) - What is the median age in Nong Ya Sai?About 47 years (2023 estimate) - What is the population density of Nong Ya Sai?About 89 people per km² - What borders Nong Ya Sai?Dan Chang, Doem Bang Nang Buat, Don Chedi, Lao Khwan and Sam Chuk - How many villages are in Nong Ya Sai?100 named settlements (GeoNames, OpenStreetMap) - What is the elevation of Nong Ya Sai?Settlements lie between 18 m and 82 m - What is the best time to visit Nong Ya Sai?November to January - How many hospitals are in Nong Ya Sai?14 mapped - How many banks are in Nong Ya Sai?2 mapped - How many petrol pumps are in Nong Ya Sai?8 mapped - What is the P-code of Nong Ya Sai?TH7210 (OCHA common operational dataset)