Thérèse-De Blainville (French pronunciation: [teʁɛz də blɛ̃vil]) is a regional county municipality in the Laurentides region of Quebec, Canada. It is located immediately north of Laval on the north shore of the Rivière des Mille-Îles.

The population according to the 2016 Canadian Census was 157,103.^[3]

There are 7 subdivisions within the RCM:^[2]

Cities & Towns (7)

• Blainville
• Bois-des-Filion
• Boisbriand
• Lorraine
• Rosemère
• Sainte-Anne-des-Plaines
• Sainte-Thérèse

Canada Census Mother Tongue - Thérèse-de-Blainville, Quebec[4]
Census		Total		French				English				French & English				Other
Year		Responses		Count	Trend	Pop %		Count	Trend	Pop %		Count	Trend	Pop %		Count	Trend	Pop %
2021		161,370		130,925	2.17%	81.13%		7,785	16.45%	4.8%		2,750	74.6%	1.7%		17,135	38.35%	10.61%
2016		155,865		133,825	0.11%	85.85%		6,685	6.96%	4.28%		1,575	22.44%	1.01%		12,385	22.44%	7.95%
2011		154,144		133,980	5.71%	86.91%		6,250	5.57%	4.05%		1,355	27.83%	0.87%		10,115	18.51%	6.56%
2006		143,370		126,740	9.40%	89.09%		5,920	4.96%	4.12%		1,060	30.86%	0.73%		8,535	25.24%	5.95%
2001		130,514		115,850	9.42%	88.76%		5,640	0.06%	4.32%		810	16.49%	0.62%		6,815	31.5%	5.22%
1996		119,240		105,870	n/a	88.78%		5,605	n/a	4.7%		970	n/a	0.81%		5,190	n/a	4.35%

Highways and numbered routes that run through the municipality, including external routes that start or finish at the county border:^[5]

• List of regional county municipalities and equivalent territories in Quebec