Roussillon Regional County Municipality

Roussillon (French pronunciation: [ʁusijɔ̃] ^ⓘ) is a regional county municipality in the Montérégie region of Quebec, Canada. The seat is in Saint-Constant, Quebec. The region's population was 171,443 as of the 2016 census.^[3]

Roussillon
Regional county municipality
Location in province of Quebec.
Coordinates: 45°22′N 73°34′W[1]
Country	Canada
Province	Quebec
Region	Montérégie
Effective	January 1, 1982
Named after	Régiment Royal Roussillon[1]
County seat	Saint-Constant
Government [2]
• Type	Prefecture
• Prefect	Nathalie Simon
Area [2][3]
• Total	403.60 km2 (155.83 sq mi)
• Land	423.82 km2 (163.64 sq mi)
	There is an apparent contradiction between two authoritative sources
Population  (2016)[3]
• Total	171,443
• Density	404.5/km2 (1,048/sq mi)
• Change 2011–2016	5.7%
	Population excludes incompletely enumerated First Nations reserves
Time zone	UTC−5 (EST)
• Summer (DST)	UTC−4 (EDT)
Area codes	450 and 579
Website	www.mrcroussillon.qc.ca

Subdivisions

There are 11 subdivisions and one native reserve within the RCM:^[2]

Cities & Towns (9) Candiac Châteauguay Delson La Prairie Léry Mercier Saint-Constant Sainte-Catherine Saint-Philippe

Municipalities (1) Saint-Mathieu

Parishes (1) Saint-Isidore

Native Reserves (1) (not associated with RCM) Kahnawake

Demographics

Population

Canada census – Roussillon community profile

	2021	2016	2011
Population	185,568 (+8.2% from 2016)	171,443 (+5.7% from 2011)	162,187 (+8.1% from 2006)
Land area	420.44 km2 (162.33 sq mi)	423.82 km2 (163.64 sq mi)	423.24 km2 (163.41 sq mi)
Population density	441.4/km2 (1,143/sq mi)	404.5/km2 (1,048/sq mi)	383.2/km2 (992/sq mi)
Median age	41.6 (M: 40.8, F: 42.4)	40.6 (M: 39.8, F: 41.4)	39.5 (M: 38.7, F: 40.2)
Private dwellings	72,650 (total)	67,868 (total)	63,441 (total)
Median household income		$78,596	$69,942

References: 2021^[4] 2016^[5] 2011^[6]

Historical Census Data - Roussillon Regional County Municipality, Quebec

Year Pop. ±% 1991 118,355 —     1996 132,167 +11.7% 2001 138,172 +4.5%	Year Pop. ±% 2006 149,996 +8.6% 2011 162,187 +8.1% 2016 171,443 +5.7%
[7][8][3]

Language

Canada Census Mother Tongue - Roussillon Regional County Municipality[7]
Census		Total		French				English				French & English				Other
Year		Responses		Count	Trend	Pop %		Count	Trend	Pop %		Count	Trend	Pop %		Count	Trend	Pop %
2021		184,130		131,390	0.13%	71.35%		20,740	8.5%	11.26%		3,985	67.78%	2.16%		24,535	50.10%	13.32%
2016		170,835		131,215	2.7%	76.8%		19,115	2.02%	11.12%		2375	16.14%	1.39%		16,345	38.28%	9.57%
2011		160,260		127,660	4.3%	79.66%		18,735	13.2%	11.69%		2,045	89.4%	1.28%		11,820	37.6%	7.37%
2006		148,560		122,345	7.4%	82.35%		16,545	1.1%	11.14%		1,080	8.5%	0.73%		8,590	48.2%	5.78%
2001		137,200		113,865	6.3%	82.99%		16,360	4.2%	11.93%		1,180	11.3%	0.86%		5,795	6.1%	4.22%
1996		130,975		107,105	n/a	81.78%		17,080	n/a	13.04%		1,330	n/a	1.01%		5,460	n/a	4.17%

Transportation

Access Routes

Highways and numbered routes that run through the municipality, including external routes that start or finish at the county border:^[9]

Autoroutes A-15 A-30

Principal Highways R-104 R-132 R-134 R-138

Secondary Highways R-207 R-209 R-217 R-221

External Routes None

See also

• List of regional county municipalities and equivalent territories in Quebec