Available Themes

Click on the hyperlinks for direct access to key graphs and tables.

• Total Population 1921 to 1961: Population grew from 10,302 in 1921 to 25,511 in 1961.
• Age Structure, in 5-year bands, from 1921 to 1971: Population pyramids, using 5-year age groups.
• Infant Mortality Rate 1919 to 1973: The highest rate recorded was 90.23 infant deaths per thousand live births in 1919, and the lowest was 4.55 in 1962.

Here we are presenting statistics for a historical unit, which may have changed its boundaries significantly during the period covered.

Alternative names

The following alternative names exist:

Name	Status	Language	Start	End	Authority
LETCHWORTH	Preferred	English			F. Youngs, Local Administrative Units: Southern England (London: Royal Historical Society, 1979), p. 626.
E170466	CASWEB identifiers for 1971 Local Govt Districts	English

Unit associations

We know of no associations with other units.

Unit history

This unit was part of the following units:

Name	Type	Start	End	Authority
HERTFORDSHIRE	Administrative County	1919	1974	F. Youngs, Local Administrative Units: Southern England (London: Royal Historical Society, 1979), p. 626.

Boundary changes

This unit was affected by the following changes:

Date	Type of change	Other unit involved	Area transferred	Authority
01 Apr 1919	was created from part of	HITCHIN RD	Letchworth CP Area: 3652 acres. Population in 1921: 10302.	1921 Census of England and Wales, Table 6, 'Intercensal Changes in Boundaries, 1911-21'.; The County of Hertford (Letchworth UD) Confirmation Order, 1919 (No. 64963)
01 Apr 1935	was enlarged by gaining part of	HITCHIN UD	Area: 7 acres. Population in 1931: 41.	1931 Census of England and Wales, Table B, 'Areas altered between 26th April, 1931 and 30th June, 1934, showing constitution as at the latter date, in terms of constitution as at the former date, together with particulars of acreage and population'.; M. of H. Order No. 80108. The County of Hertford Review Order, 1935
01 Apr 1935	was enlarged by gaining part of	HITCHIN RD	Willian CP and parts of the CPs of Graveley, Great Wymondley, Little Wymondley, and Weston Area: 1239 acres. Population in 1931: 227.	1931 Census of England and Wales, Table B, 'Areas altered between 26th April, 1931 and 30th June, 1934, showing constitution as at the latter date, in terms of constitution as at the former date, together with particulars of acreage and population'.; M. of H. Order No. 80108. The County of Hertford Review Order, 1935
01 Apr 1965	was enlarged by gaining part of	BIGGLESWADE RD	part of Stotfold CP Area: 75 acres.	1971 Census of England and Wales, Table 4, 'Intercensal changes of Boundary (between 23rd April, 1961, and 25th April, 1971)', for 'AC, LAA, CP, NT'.; The East Midland Counties Order, 1965

Lower level units

This unit contained the following units:

Name	Type	Start	End	Authority
CENTRAL AND WILLIAN LG_Ward	Parish-level Unit			1961 Census of England and Wales, Table 3, 'Acreage, Population, Private Households and Dwellings', for 'LAA, Wards, CP in RD, Con, NT'.
LETCHWORTH CP/AP	Parish-level Unit	1919	1974	F. Youngs, Local Administrative Units: Southern England (London: Royal Historical Society, 1979), p. 239.
NORTON LG_Ward	Parish-level Unit			1961 Census of England and Wales, Table 3, 'Acreage, Population, Private Households and Dwellings', for 'LAA, Wards, CP in RD, Con, NT'.
PIXMORE LG_Ward	Parish-level Unit			1961 Census of England and Wales, Table 3, 'Acreage, Population, Private Households and Dwellings', for 'LAA, Wards, CP in RD, Con, NT'.
WESTBURY LG_Ward	Parish-level Unit			1961 Census of England and Wales, Table 3, 'Acreage, Population, Private Households and Dwellings', for 'LAA, Wards, CP in RD, Con, NT'.
WILBURY LG_Ward	Parish-level Unit			1961 Census of England and Wales, Table 3, 'Acreage, Population, Private Households and Dwellings', for 'LAA, Wards, CP in RD, Con, NT'.