1921 Census of England and Wales, General Report with Appendices, Table 6 : " Densities at each Census, 1801-1921. England and Wales".

Date of Census. Persons per
Square Mile.
Acres per
Person.
1801 152 4.20
1811 174 3.67
1821 206 3.11
1831 238 2.69
1841 273 2.35
1851 307 2.08
1861 344 1.86
1871 389 1.64
1881 445 1.44
1891 497 1.29
1901 558 1.15
1911 618 1.04
1921 649 0.99