# Gampaha District, Western Province – DS divisions, Population & Map > Source: https://wherepedia.org/sri-lanka/western/gampaha/ District · Western Province # Gampaha District Gampaha District is a district of Sri Lanka in Western Province. It had an estimated **2,421,000 people** in 2023 on 1,416 km² (about 1,709 per km²). It is divided into 13 DS divisions. 1,076 named villages and localities are recorded here, and 2,807 mapped services such as hospitals, banks and schools. - 2,421,000people (2023) - 1,416km² - 13DS divisions - 2,807mapped services ## How many people live in Gampaha District? Gampaha District had an estimated **2,421,000 people** in 2023 — 39.3% of Western Province, 2nd of 25 districts. There are 1,064 women for every 1,000 men (close to the Western Province figure of 1,054). Spread over 1,416 km², that is about **1,709 people per km²**, 2nd of 25 districts. 22.8% of people are children under 15 and 8.2% are 65 or older; the median age is about 32 years (it is 32 across Western Province). For every 100 people of working age (15–64) there are 45 children and older people. 0–4 ****184,347** 5–9 ****188,865** 10–14 ****178,964** 15–19 ****187,562** 20–24 ****190,386** 25–29 ****192,620** 30–34 ****207,973** 35–39 ****177,692** 40–44 ****172,451** 45–49 ****156,374** 50–54 ****145,689** 55–59 ****127,293** 60–64 ****111,711** 65–69 ****79,682** 70–74 ****50,049** 75–79 ****34,271** 80+ ****35,071** Source: [Department of Census and Statistics, Sri Lanka via OCHA HDX, population estimates 2023 (COD-PS, CC BY-IGO)](https://data.humdata.org/dataset/cod-ps-lka). ## Where is Gampaha District? Gampaha District lies in [Western Province](https://wherepedia.org/sri-lanka/western/), [Sri Lanka](https://wherepedia.org/sri-lanka/). It borders 4 other districts: [Colombo District](https://wherepedia.org/sri-lanka/western/colombo/), [Kegalle District](https://wherepedia.org/sri-lanka/sabaragamuwa/kegalle/), [Kurunegala District](https://wherepedia.org/sri-lanka/north-western/kurunegala/) and [Puttalam District](https://wherepedia.org/sri-lanka/north-western/puttalam/). By area it is the 21st largest of 25 districts in Sri Lanka. It covers 37.8% of [Western Province](https://wherepedia.org/sri-lanka/western/). The centre of Gampaha District is about 28 km in a straight line from Colombo, the commercial capital. The centre point is at 7.1187° N, 80.0209° E. Local names: ගම්පහ දිස්ත්‍රික් · கம்பஹா மாவட்டம் . Source: [Survey Department of Sri Lanka via OCHA HDX, administrative boundaries (COD-AB, CC BY-IGO)](https://data.humdata.org/dataset/cod-ab-lka). ## DS divisions of Gampaha District Divisional Secretariat division Area km² GN divisions Services [Attanagalla DS Division](https://wherepedia.org/sri-lanka/western/gampaha/attanagalla/) 155 151 145 [Biyagama DS Division](https://wherepedia.org/sri-lanka/western/gampaha/biyagama/) 61 49 111 [Divulapitiya DS Division](https://wherepedia.org/sri-lanka/western/gampaha/divulapitiya/) 203 123 57 [Dompe DS Division](https://wherepedia.org/sri-lanka/western/gampaha/dompe/) 179 133 69 [Gampaha DS Division](https://wherepedia.org/sri-lanka/western/gampaha/gampaha/) 92 101 373 [Ja Ela DS Division](https://wherepedia.org/sri-lanka/western/gampaha/ja-ela/) 62 57 262 [Katana DS Division](https://wherepedia.org/sri-lanka/western/gampaha/katana/) 108 79 312 [Kelaniya DS Division](https://wherepedia.org/sri-lanka/western/gampaha/kelaniya/) 22 37 203 [Mahara DS Division](https://wherepedia.org/sri-lanka/western/gampaha/mahara/) 96 92 95 [Minuwangoda DS Division](https://wherepedia.org/sri-lanka/western/gampaha/minuwangoda/) 132 121 121 [Mirigama DS Division](https://wherepedia.org/sri-lanka/western/gampaha/mirigama/) 189 149 93 [Negombo DS Division](https://wherepedia.org/sri-lanka/western/gampaha/negombo/) 29 39 764 [Wattala DS Division](https://wherepedia.org/sri-lanka/western/gampaha/wattala/) 57 46 202 Source: [Survey Department of Sri Lanka via OCHA HDX, administrative boundaries (COD-AB, CC BY-IGO)](https://data.humdata.org/dataset/cod-ab-lka); [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/). ## Largest towns in Gampaha District - Negombo137,223 - Katunayaka84,643 - Hendala56,978 - Welisara41,306 - Kandana33,424 - Ja Ela32,175 - Wattala30,725 - Kelaniya28,846 - Peliyagoda28,784 - Gampaha9,350 - Minuwangoda7,772 Source: [GeoNames (CC BY 4.0) — settlements, natural and historic features](https://www.geonames.org/). Populations as recorded in GeoNames, which may be older than the estimates above. ## Landscape and landmarks of Gampaha District Named natural and historic features inside Gampaha District, from the GeoNames gazetteer. ### Water 30 rivers and streams; 4 reservoirs and tanks. - Algan Oya - Attanagalu Oya - Attanagalu Oya - Basnagoda Oya - Depa Ela - Diyaella Oya - Dunagaha Ela - Dunugaha Ela - Eswatta Oya - Gandara Ela - Gin Oya - Henepola Ela - Henepola Ela - Ja Ela - Jambugaswadiya Wewa - Kalu Oya - Kimbulapitiya Oya - Kimbulwila Wewa - Koshena Wewa - Kuda Oya - Kuda Oya - Kuda Oya - Kuda Oya - Maha Oya …and 10 more. ### Coast and islands 1 headland. - Negombo Point ### Hills and mountains 19 hills. - Walbotale · 169 m - Tambogala · 157 m - Karagahatenna · 131 m - Bambaragala · 127 m - Kahanduwa · 124 m - Rilagala · 119 m - Hiriwala · 113 m - Round Hill · 103 m - Beligalkanda · 101 m - Haddagala · 91 m - Maligatenna · 89 m - Dallagala · 70 m - Dambuakanda · 70 m - Giriullakanda · 56 m - Poruwalkanda · 39 m - Dodangaspitiya · 34 m - Mabimkanda · 20 m - Kaningala · 14 m - Kandane · 12 m ### Forests and nature 1 forest; 1 forest reserve. - Mitirigala Forest Reserve - Wilekulakanda Government Forest ### Estates 309 estates; 42 oil-palm estates; 22 estates; 1 rubber estate. - Agalagedara - Ahalugamawatta - Akkarapanaha - Alapalawilawatta - Alawatta - Alexandra - Aligakagodella - Aliwelapalla - Alugolla - Alutwatta Orzabedia - Alutwatte - Ambagahahena - Ambana - Ambulgaswadiya - Amuhena - Anchor - Andiambalama - Angunawalakatuwa - Aniakande - Ankendagolla - Anneslynne - Aralugahawatta - Arambekanda - Atputa …and 350 more. ### Getting around 5 railway stations; 2 railway halts; 1 airport. - Bandaranaike International Airport - Kelaniya - Kethawala Railway Station - Kurana - Pallewela Railway Station - Seeduwa Road - Veyangoda Railway Station - Yagoda 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 Gampaha District and the best time to visit In Gampaha District, the warmest month is Apr (average 28 °C) and the coolest is Jan (25 °C). About 1,999 mm of rain falls in a year; the wettest month is Nov (304 mm) and the driest Feb (71 mm). The most comfortable months for a visit are **January to March and July to August**. - Jan - Feb - Mar - Apr - May - Jun - Jul - Aug - Sep - Oct - Nov - Dec Month Average °C Rain mm Jan 25 76 Feb 26 71 Mar 27 115 Apr 28 226 May 27 224 Jun 27 143 Jul 26 99 Aug 26 113 Sep 26 162 Oct 26 292 Nov 26 304 Dec 26 175 Source: [NASA POWER climatology, retrieved 2026-10-29](https://power.larc.nasa.gov/). ## Hospitals, banks and other services in Gampaha District Places mapped inside Gampaha District in open map data, by type — each number opens the full list with locations. - Hospitals132 - Banks290 - ATMs26 - Petrol pumps90 - Hotels823 - Shopping malls23 - Schools434 - Colleges and universities135 - Cinemas24 - Pharmacies52 - Restaurants718 - Police stations50 - Dental clinics10 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 Gampaha District?In Western Province, Sri Lanka - What is the population of Gampaha District?2,421,000 (2023 estimate) - What is the median age in Gampaha District?About 32 years (2023 estimate) - What is the population density of Gampaha District?About 1,709 people per km² - What borders Gampaha District?Colombo District, Kegalle District, Kurunegala District and Puttalam District - What is the largest town in Gampaha District?Negombo - How many reservoirs and tanks are in Gampaha District?4 named in GeoNames - What is the highest point in Gampaha District?Walbotale (169 m, GeoNames elevation model) - What is the best time to visit Gampaha District?January to March and July to August - How many hospitals are in Gampaha District?132 mapped - How many banks are in Gampaha District?290 mapped - How many ATMs are in Gampaha District?26 mapped - How many petrol pumps are in Gampaha District?90 mapped - What is the P-code of Gampaha District?LK12 (OCHA common operational dataset)