1921 Census of England and Wales, General Report with Appendices, Table 74 : " Dependency by Counties: Average number of Children under 16 per Family".

County. Average number of
children of
County. Average number of
children of
Married
Men.
Widowers. Widows. Married
Men.
Widowers. Widows.
England and Wales 1.27 0.32 0.37 Nottingham 1.29 0.33 0.40
        Oxford 1.16 0.24 0.32
Bedford 1.15 0.22 0.34 Rutland 1.20 0.26 0.31
Berkshire 1.14 0.21 0.33 Shropshire 1.32 0.29 0.31
Buckingham 1.13 0.22 0.33 Somerset 1.14 0.23 0.28
Cambridge 1.16 0.23 0.33 Southampton 1.15 0.27 0.33
Cheshire 1.22 0.31 0.35 Stafford 1.47 0.39 0.46
Cornwall 1.10 0.24 0.29 Suffolk 1.24 0.26 0.34
Cumberland 1.40 0.35 0.38 Surrey 1.13 0.26 0.30
Derby 1.36 0.35 0.39 Sussex 1.03 0.20 0.28
Devon 1.05 0.24 0.29 Warwick 1.31 0.32 0.40
Dorset 1.12 0.23 0.30 Westmorland 1.09 0.21 0.27
Durham 1.59 0.46 0.55 Wiltshire 1.18 0.27 0.31
Essex 1.30 0.31 0.40 Worcester 1.27 0.29 0.35
Gloucester 1.21 0.28 0.34 Yorkshire 1.25 0.49 0.38
Hereford 1.23 0.27 0.32 Anglesey 1.23 0.27 0.28
Hertford 1.18 0.24 0.34 Brecknock 1.48 0.38 0.36
Huntingdon 1.21 0.29 0.33 Cardigan 1.13 0.26 0.23
Kent 1.18 0.26 0.33 Carmarthen 1.52 0.38 0.39
Lancashire 1.26 0.34 0.41 Carnarvon 1.07 0.29 0.28
Leicester 1.19 0.31 0.38 Denbigh 1.34 0.35 0.34
Lincoln 1.26 0.29 0.34 Flint 1.40 0.32 0.37
London 1.27 0.30 0.36 Glamorgan 1.56 0.44 0.48
Middlesex 1.23 0.33 0.34 Merioneth 1.12 0.29 0.25
Monmouth 1.60 0.46 0.49 Montgomery 1.35 0.27 0.32
Norfolk 1.18 0.24 0.34 Pembroke 1.34 0.31 0.32
Northampton 1.11 0.23 0.34 Radnor 1.32 0.32 0.28
Northumberland 1.47 0.40 0.48