Editing Runcorn (section)

===Population growth===
Early census statistics for the town include only the areas known now as the Old Town and Higher Runcorn. In 1936, Runcorn Urban District grew to incorporate the neighbouring village of Weston.<ref name="Phillips 2002 11"/> The present statistical boundaries of Runcorn were defined in the Runcorn New Town (Designation) Order 1964 which greatly expanded the town to the east.

The population of Runcorn in 1664 has been estimated as 305.<ref name="Cheshire Historic Towns Survey">{{cite web |url=http://www.cheshirearchaeology.org.uk/wp-content/uploads/2013/06/HTS_Arch_Assess_Runcorn-and-Halton.pdf |title=Cheshire Historic Towns Survey – Runcorn and Halton Archaeological Assessment |publisher=Cheshire County Council and English Heritage |access-date=12 July 2020 |archive-date=12 July 2020 |archive-url=https://web.archive.org/web/20200712221503/http://www.cheshirearchaeology.org.uk/wp-content/uploads/2013/06/HTS_Arch_Assess_Runcorn-and-Halton.pdf |url-status=live }}</ref>

{|class="wikitable"
|+ Population growth of Runcorn since 1801<ref name="Cheshire Historic Towns Survey" /><ref name="Vision of Britain">{{cite web |url=https://www.visionofbritain.org.uk/unit/10062263/cube/TOT_POP |title=Runcorn UD through time – Population Statistics |publisher=University of Portsmouth |access-date=13 July 2020 |archive-date=14 July 2020 |archive-url=https://web.archive.org/web/20200714000841/https://www.visionofbritain.org.uk/unit/10062263/cube/TOT_POP |url-status=live}}</ref><ref name="2011 Census">{{NOMIS2011 |id=E35001305 |title=Runcorn Built-up area |access-date=26 May 2020}}</ref><ref name="2021 Census" />
|-
! scope="col" |Year
! scope="col" |Population
! scope="col" |Change as %
|-
! scope="row" |1801
|style="text-align:right;" |1,379
|style="text-align:right;" |—
|-
! scope="row" |1811
|style="text-align:right;" |2,060
|style="text-align:right;" |+49.4%
|-
! scope="row" |1821
|style="text-align:right;" |3,103
|style="text-align:right;" |+50.6%
|-
! scope="row" |1831
|style="text-align:right;" |5,035
|style="text-align:right;" |+62.3%
|-
! scope="row" |1841
|style="text-align:right;" |6,951
|style="text-align:right;" |+38.1%
|-
! scope="row" |1851
|style="text-align:right;" |8,688
|style="text-align:right;" |+25.0%
|-
! scope="row" |1861
|style="text-align:right;" |10,063
|style="text-align:right;" |+15.8%
|-
! scope="row" |1871
|style="text-align:right;" |12,066
|style="text-align:right;" |+19.9%
|-
! scope="row" |1881
|style="text-align:right;" |15,126
|style="text-align:right;" |+25.4%
|-
! scope="row" |1891
|style="text-align:right;" |20,020
|style="text-align:right;" |+32.4%
|-
! scope="row" |1901
|style="text-align:right;" |16,491
|style="text-align:right;" |−17.6%
|-
! scope="row" |1911
|style="text-align:right;" |17,353
|style="text-align:right;" |+5.2%
|-
! scope="row" |1921
|style="text-align:right;" |18,476
|style="text-align:right;" |+6.5%
|-
! scope="row" |1931
|style="text-align:right;" |18,127
|style="text-align:right;" |−1.9%
|-
! scope="row" |1939
|style="text-align:right;" |21,718
|style="text-align:right;" |+19.8%
|-
! scope="row" |1951
|style="text-align:right;" |23,931
|style="text-align:right;" |+10.2%
|-
! scope="row" |1961
|style="text-align:right;" |26,035
|style="text-align:right;" |+8.8%
|-
! scope="row" |1971
|style="text-align:right;" |35,999
|style="text-align:right;" |+38.3%
|-
! scope="row" |1981
|style="text-align:right;" |64,196
|style="text-align:right;" |+78.3%
|-
! scope="row" |1991
|style="text-align:right;" |64,952
|style="text-align:right;" |+1.2%
|-
! scope="row" |2001
|style="text-align:right;" |60,320
|style="text-align:right;" |−7.1%
|-
! scope="row" |2011
|style="text-align:right;" |61,789
|style="text-align:right;" |+2.4%
|-
! scope="row" |2021
|style="text-align:right;" |61,145
|style="text-align:right;" |+0.5%
|}