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Gampaha District ගම්පහ දිස්ත්‍රික්කය கம்பஹா மாவட்டம்
Administrative District
Location within Sri Lanka
Coordinates: 07°08′N 80°00′E
Country	Sri Lanka
Province	Western
Created	September 1978
Capital	Gampaha
DS Division	List Attanagalla Biyagama Divulapitiya Dompe Gampaha Ja-Ela Katana Kelaniya Mahara Minuwangoda Mirigama Negombo Wattala
Government
• District Secretary	Sunil Jayalath
Area [1]
• Total	1,387 km2 (536 sq mi)
• Land	1,341 km2 (518 sq mi)
• Water	46 km2 (18 sq mi)  3.32%
• Rank	21st (2.11% of total area)
Population  (2021 census)[2]
• Total	2,443,000
• Rank	2nd (11.32% of total pop.)
• Density	1,800/km2 (4,600/sq mi)
Ethnicity (2012 census)[2]
• Sinhalese	2,079,115 (90.61%)
• Sri Lankan Moors	95,501 (4.16%)
• Sri Lankan Tamil	80,071 (3.49%)
• Malays	11,658 (0.51%)
• Other	28,296 (1.23%)
Religion (2012 census)[3]
• Buddhist	1,640,166 (71.48%)
• Christian	486,173 (21.19%)
• Muslim	114,851 (5.01%)
• Hindu	52,221 (2.28%)
• Other	1,230 (0.05%)
Time zone	UTC+05:30 (Sri Lanka)
Post Codes	11000-11999
Telephone Codes	011, 031, 033
ISO 3166 code	LK-12
Vehicle registration	WP
Official Languages	Sinhala, Tamil
Website	Gampaha District Secretariat

Gampaha District (Sinhala: ගම්පහ දිස්ත්‍රික්කය gampaha distrikkaya, Tamil: கம்பஹா மாவட்டம் Kampakai Māvaṭṭam) is one of the 25 districts of Sri Lanka, the second level administrative division of the country. It is the second most populous district of Sri Lanka after Colombo District. The district is administered by a District Secretariat headed by a District Secretary (previously known as a Government Agent) appointed by the central government of Sri Lanka. The capital of the district is the town of Gampaha. The district was carved out of the northern part of Colombo District in September 1978.^[4]

Geographical Nature[edit]

Gampaha District is located in the west of Sri Lanka and has an area of 1,387 square kilometres (536 sq mi).^[1] It is bounded by Kurunegala and Puttalam districts from north, Kegalle District from east, Colombo District from south and by the Indian Ocean from west.^[4] The borders of the district are the Ma Oya on the north, Kelani River on the south and 1,000 ft contour line on the east.

Administrative units[edit]

Gampaha District is divided into 13 Divisional Secretary's Division (DS Divisions), each headed by a Divisional Secretary (previously known as an Assistant Government Agent).^[5] The DS Divisions are further sub-divided into 1,177 Grama Niladhari Divisions (GN Divisions).^[5]

DS Division	Main Town	Divisional Secretary	GN Divisions [5]	Area (km2) [6]	Population (2012 Census)[7]						Population Density (/km2)
					Sinhalese	Sri Lankan Moors	Sri Lankan Tamil	Malays	Other	Total
Attanagalla	Nittambuwa	D. M. Rathnayake	151	149	154,969	21,389	927	657	874	178,816	1,200
Biyagama	Biyagama	T. D. S. P. Perera	49	59	171,454	12,133	1,622	677	976	186,862	3,167
Divulapitiya	Divulapitiya	H. M. L. S. Herath	123	202	142,420	80	1,003	34	334	143,871	712
Dompe	Kiridiwela	H. G. J. P. Wijesiriwardhna	133	176	150,016	2,282	443	52	344	153,137	870
Gampaha	Gampaha	C. P. W. Gunathilaka	101	96	194,292	359	942	119	733	196,445	2,046
Ja-Ela	Ja-Ela	Nimali De Silva	57	60	186,201	962	7,778	1,232	4,981	201,154	3,353
Katana	Katana	K. G. H. H. R. Kiriella	79	116	214,207	3,361	9,878	1,020	5,388	233,854	2,016
Kelaniya	Kelaniya	W. H. V. Pushpamala	37	20	113,133	8,588	7,834	2,674	2,464	134,693	6,735
Mahara	Mahara	Thamara D. Perera	92	94	194,637	5,488	2,326	3,548	1,231	207,230	2,205
Minuwangoda	Minuwangoda	C. P. W. Gunathilake	121	128	171,254	5,633	827	243	444	178,401	1,394
Mirigama	Mirigama	Y. I. M. Silva	149	183	155,469	5,592	885	99	2,121	164,166	897
Negombo	Negombo	A. K. R. Alawaththa	39	50	107,155	19,364	12,590	278	2,289	141,676	2,834
Wattala	Wattala	Chandima Dissanayake	46	54	123,908	10,270	33,016	1,025	6,117	174,336	3,228
Total			1,177	1,387	2,079,115	95,501	80,071	11,658	28,296	2,294,641	1,654

Demographics[edit]

Population[edit]

Gampaha District's population was 2,294,641 in 2012.^[2] The majority of the population are Sinhalese, with a minority Sri Lankan Moor and Sri Lankan Tamil population.

Ethnicity[edit]

Population of Gampaha District by ethnic group 1981 to 2012^[2][8]

Year	Sinhalese		Sri Lankan Moors		Sri Lankan Tamil		Malays		Other		Total No.
	No.	%	No.	%	No.	%	No.	%	No.	%
1981 Census	1,279,512	91.99%	37,826	2.72%	48,182	3.46%	8,675	0.62%	16,667	1.20%	1,390,862
2001 Census	1,877,545	90.98%	78,705	3.81%	65,302	3.16%	13,683	0.66%	28,449	1.38%	2,063,684
2012 Census	2,079,115	90.61%	95,501	4.16%	80,071	3.49%	11,658	0.51%	28,296	1.23%	2,294,641

Religion[edit]

Population of Gampaha District by religion 1981 to 2012^[3][9]

Year	Buddhist		Christian[a]		Muslim		Hindu		Other		Total No.
	No.	%	No.	%	No.	%	No.	%	No.	%
1981 Census	989,212	71.12%	325,915	23.43%	48,117	3.46%	26,750	1.92%	868	0.06%	1,390,862
2001 Census	1,479,955	71.71%	446,647	21.64%	93,496	4.53%	42,356	2.05%	1,230	0.06%	2,063,684
2012 Census	1,640,166	71.48%	486,173	21.19%	114,851	5.01%	52,221	2.28%	1,230	0.05%	2,294,641

Notes[edit]