L'Assomption Regional County Municipality

Regional county municipality in Quebec, Canada

45°48′N 73°26′W / 45.800°N 73.433°W / 45.800; -73.433^[1]Country

CanadaProvince

QuebecRegionLanaudièreEffectiveJanuary 1, 1983County seatL'AssomptionGovernment

^[2]

• TypePrefecture • PrefectChantal DeschampsArea

^[2]^[3]

• Total285.40 km² (110.19 sq mi) • Land255.65 km² (98.71 sq mi)Population

(2016)^[3]

• Total124,759 • Density488.0/km² (1,264/sq mi) • Change
2011–2016

4.1% • Dwellings

50,828Time zoneUTC−5 (EST) • Summer (DST)UTC−4 (EDT)Area code(s)450 and 579Websitewww.mrclassomption.qc.ca

L'Assomption (The Assumption) is a regional county municipality in the Lanaudière region of Quebec, Canada. The seat is L'Assomption. L'Assomption is located directly north of the city of Montreal.

It is named for the L'Assomption River, which flows through the region from the north before emptying into the Saint Lawrence River in the south of the region at Repentigny.

Subdivisions

There are 5 subdivisions within the RCM:^[2]

Cities & Towns (4)

Parishes (1)

Saint-Sulpice

Demographics

Population

Canada census – L'Assomption community profile

	2021	2016	2011
Population	128,087 (+2.7% from 2016)	124,759 (+4.1% from 2011)	119,840 (+9.3% from 2006)
Land area	255.16 km² (98.52 sq mi)	255.65 km² (98.71 sq mi)	255.71 km² (98.73 sq mi)
Population density	502/km² (1,300/sq mi)	488.0/km² (1,264/sq mi)	468.7/km² (1,214/sq mi)
Median age	43.2 (M: 42.0, F: 44.0)	42.5 (M: 41.3, F: 43.7)	41.7 (M: 40.6, F: 42.6)
Private dwellings	52,508 (total) 51,578 (occupied)	50,828 (total)	49,153 (total)
Median household income	$87,000	$74,714	$64,821

References: 2021^[4] 2016^[5] 2011^[6] earlier^[7]^[8]

Historical Census Data - L'Assomption Regional County Municipality, Quebec

Year	Pop.	±%
1991	91,537	—
1996	102,188	+11.6%
2001	103,977	+1.8%

Year	Pop.	±%
2006	109,636	+5.4%
2011	119,840	+9.3%
2016	124,759	+4.1%

^[9]^[3]

Language

Canada Census Mother Tongue - L'Assomption Regional County Municipality, Quebec^[9]^[3]
Census	Total	French			English			French & English			Other
Year	Responses	Count	Trend	Pop %	Count	Trend	Pop %	Count	Trend	Pop %	Count	Trend	Pop %
2016	123,830	113,485	2.0%	91.6%	1,760	8.0%	1.4%	595	9.8%	0.56%	7,990	67.5%	6.5%
2011	118,285	111,225	7.3%	94.03%	1,630	21.6%	1.38%	660	97.0%	0.56%	4,770	38.7%	4.03%
2006	108,815	103,700	3.3%	95.30%	1,340	21.3%	1.23%	335	42.6%	0.31%	3,440	135.6%	3.16%
2001	103,200	100,400	2.4%	97.29%	1,105	22.7%	1.07%	235	30.9%	0.23%	1,460	9.8%	1.41%
1996	101,190	98,090	n/a	96.94%	1,430	n/a	1.41%	340	n/a	0.34%	1,330	n/a	1.31%

Transportation

Access Routes

Highways and numbered routes that run through the municipality, including external routes that start or finish at the county border:^[10]

Autoroutes
- A-40
- A-640

Principal Highways
- R-138

Secondary Highways
- R-339
- R-341
- R-344

External Routes
- None

References

^ "Banque de noms de lieux du Québec: Reference number 141087". toponymie.gouv.qc.ca (in French). Commission de toponymie du Québec.
^ ^a ^b ^c "Répertoire des municipalités: Geographic code 600". www.mamh.gouv.qc.ca (in French). Ministère des Affaires municipales et de l'Habitation.
^ ^a ^b ^c ^d "Census Profile, 2016 Census: L'Assomption, Municipalité régionale de comté [Census division], Quebec". Statistics Canada. Retrieved November 27, 2019.
^ "2021 Community Profiles". 2021 Canadian Census. Statistics Canada. February 4, 2022. Retrieved 2023-10-19.
^ "2016 Community Profiles". 2016 Canadian Census. Statistics Canada. August 12, 2021. Retrieved 2019-11-27.
^ "2011 Community Profiles". 2011 Canadian Census. Statistics Canada. March 21, 2019. Retrieved 2014-02-28.
^ "2006 Community Profiles". 2006 Canadian Census. Statistics Canada. August 20, 2019.
^ "2001 Community Profiles". 2001 Canadian Census. Statistics Canada. July 18, 2021.
^ ^a ^b Statistics Canada: 1996, 2001, 2006, 2011 census
^ Official Transport Quebec Road Map