Matawinie is a regional county municipality in the region of Lanaudière in southwestern Quebec, Canada. Its seat is Rawdon. The population according to the 2021 Canadian Census was 55,500.

There are 27 subdivisions within the RCM:

Historical Census Data - Matawinie Regional County Municipality, Quebec

Year Pop. ±% 1991 36,095 —     1996 41,322 +14.5% 1996A 41,314 −0.0% 2001 43,177 +4.5% 2001A 43,093 −0.2%	Year Pop. ±% 2006 49,717 +15.4% 2011 49,516 −0.4% 2016 50,435 +1.9% 2021 55,500 +10.0%

French and Atikamekw are the main languages.

Canada Census Mother Tongue - Matawinie Regional County Municipality, Quebec
Census		Total		French				English				French & English				Other
Year		Responses		Count	Trend	Pop %		Count	Trend	Pop %		Count	Trend	Pop %		Count	Trend	Pop %
2021		55,065		49,620	10.7%	90.1%		1,825	1.6%	3.3%		605	61.3%	1.1%		2,845	1.6%	5.2%
2016		49,955		44,835	1.9%	89.8%		1,855	6.1%	4.0%		375	19.0%	0.6%		2,890	4.1%	5.8%
2011		49,055		43,990	1.1%	89.7%		1,975	24.2%	4.0%		315	23.5%	0.6%		2,775	4.8%	5.7%
2006		49,250		44,490	16.3%	90.3%		1,590	11.7%	3.2%		255	5.6%	0.5%		2,915	28.7%	5.9%
2001		42,605		38,270	4.9%	89.8%		1,800	11.1%	4.2%		270	6.9%	0.6%		2,265	19.2%	5.3%
1996		40,710		36,495	n/a	89.7%		2,025	n/a	5.0%		290	n/a	0.7%		1,900	n/a	4.7%

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

• List of regional county municipalities and equivalent territories in Quebec

• (in French) Répertoire des municipalités du Québec

• Matawinie MRC - official website