Editing L'Assomption (section)

== Demographics ==
{{stack|{{Historical populations
| title= <small>Historical Census Data – L'Assomption, Quebec</small><ref name="scpast">Statistics Canada: [[Canada 1996 Census|1996]], [[Canada 2001 Census|2001]], [[Canada 2006 Census|2006]], [[Canada 2011 Census|2011]], [[Canada 2016 Census|2016]], [[Canada 2021 Census|2021]] census</ref>
| percentages = 
| shading = off
| align = none
| cols = 
| 1851 |1084
| 1861 |1279
| 1871 |1210
| 1881 |1313
| 1891 |1256
| 1901 |1605
| 1911 |1747
| 1921 |1320
| 1931 |1576
| 1941 |1829
| 1951 |2688
| 1956 |3683
| 1961 |4448
| 1966 |4662
| 1971 |4915
| 1976 |4832
| 1981 |4844
| 1986 |5280
| 1991 |5706
| 1996 |11366
| 2001 |15625
| 2006 |16738
| 2011 |20065
| 2016 |22429
| 2021 |23442
| footnote =
}}}}

In the [[2021 Canadian census|2021 Census of Population]] conducted by [[Statistics Canada]], L'Assomption had a population of {{val|23442|fmt=commas}} living in {{val|9206|fmt=commas}} of its {{val|9369|fmt=commas}} total private dwellings, a change of {{percentage|{{#expr:23442-22429}}|22429|1}} from its 2016 population of {{val|22429|fmt=commas}}. With a land area of {{convert|98.74|km2|sqmi|abbr=on}}, it had a population density of {{Pop density|23442|98.74|km2|sqmi|prec=1}} in 2021.<ref name=2021census>{{cite web | url=https://www150.statcan.gc.ca/t1/tbl1/en/tv.action?pid=9810000202&geocode=A000224 | title=Population and dwelling counts: Canada, provinces and territories, and census subdivisions (municipalities), Quebec | publisher=[[Statistics Canada]] | date=February 9, 2022 | accessdate=August 29, 2022}}</ref>
{{Canada census
 |location = L'Assomption
 |2021_population=23,442 | 2021_pop_delta=+4.5  | 2021_land_area=98.74 | 2021_pop_density=237.4
 |2021_median_age=40.0 | 2021_median_age_m=39.2 | 2021_median_age_f=40.4
 |2021_total_pvt_dwell=9,369 |2021_occ_pvt_dwell=9,206 |2021_mean_hh_income=87,000 
 |2021_geocode=2021A00052460028 | 2021_access_date=2023-10-19
 |2016_population=22,429 |2016_pop_delta=+11.8 |2016_land_area=98.99 |2016_pop_density=226.6
 |2016_median_age=38.5 |2016_median_age_m=37.9 |2016_median_age_f=39.1
 |2016_total_pvt_dwell=8,932 |2016_mean_hh_income=74,159 |2016_access_date=2022-04-28
 |2011_population=20,065 |2011_pop_delta=+20.0 |2011_land_area=98.90 |2011_pop_density=202.9
 |2011_median_age=37.9 |2011_median_age_m=37.2 |2011_median_age_f=38.7
 |2011_total_pvt_dwell=8,189 |2011_mean_hh_income=61,590 |2011_access_date=2014-05-26
 |2006_population=16,738 | 2006_pop_delta=+7.1 | 2006_land_area=100.78 | 2006_pop_density=166.1
 |2006_median_age=39.3 | 2006_median_age_m=38.7 | 2006_median_age_f=39.7
 |2006_total_pvt_dwell=6,526 | 2006_mean_hh_income=58,130 | 2006_access_date=2014-05-26
 |2001_population=15,615 | 2001_pop_delta=+0.3 | 2001_land_area=98.91 | 2001_pop_density=157.9
 |2001_median_age=37.2 | 2001_median_age_m=36.8 | 2001_median_age_f=37.6
 |2001_total_pvt_dwell=5,796 |2001_mean_hh_income=50,224 | 2001_access_date=2014-05-26
 |notes=
}}

{| class="wikitable"
!colspan="19"|Canada Census Mother Tongue – L'Assomption, Quebec<ref name="scpast"/>
|-
! Census
|
! Total
|colspan="1"| 
!colspan="3"|{{center|French}}
|colspan="1"|
!colspan="3"|{{center|English}}
|colspan="1"|
!colspan="3"|{{center|French & English}}
|colspan="1"|
!colspan="3"|{{center|Other}}
|-
! Year
|
! Responses
| 
! Count
! Trend
! Pop % 
|
! Count
! Trend
! Pop %
|
! Count
! Trend
! Pop %
|
! Count
! Trend
! Pop %
|-
| {{center|2021}}
|
| {{center|23,245}}
|
| 21,775
| {{increase}} 2.4%
| 93.7%
|
| 245
| {{increase}} 19.5%
| 1.1%
|
| 165
| {{increase}} 43.5%
| 0.7%
|
| 865
| {{increase}} 61.7%
| 3.7%
|-
| {{center|2016}}
|
| {{center|22,220}}
|
| 21,270
| {{increase}} 11.0%
| 95.7%
|
| 205
| {{increase}} 5.1%
| 0.9%
|
| 115
| {{increase}} 15.0%
| 0.5%
|
| 535
| {{increase}} 50.7%
| 2.4%
|-
| {{center|2011}}
|
| {{center|19,815}}
|
| 19,165
| {{increase}} 19.0%
| 96.7%
|
| 195
| {{decrease}} 2.5%
| 1.0%
|
| 100
| {{increase}} 185.7%
| 0.5%
|
| 355
| {{increase}} 77.5%
| 1.8%
|-
| {{center|2006}}
|
| {{center|16,545}}
|
| 16,110
| {{increase}} 7.5%
| 97.4%
|
| 200
| {{increase}} 8.1%
| 1.2%
|
| 35
| {{decrease}} 22.2%
| 0.2%
|
| 200
| {{increase}} 53.8%
| 1.2%
|-
| {{center|2001}}
|
| {{center|15,340}}
|
| 14,980	
| {{increase}} 37.8%
| 97.7%
|
| 185
| {{increase}} 131.2%
| 1.2%
|
| 45	
| {{increase}} 28.6%
| 0.3%
|
| 130
| {{increase}} 160.0%
| 0.9%
|-
| {{center|1996}}
|
| {{center|11,035}}
|
| 10,870	
| n/a
| 98.5%
|
| 80
| n/a
| 0.7%
|
| 35
| n/a
| 0.3%
|
| 50
| n/a
| 0.5%
|}