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10
STATISTICAL SUMMARY.
1.—General, Statistics.
Area of Borough, 2,694 acres. Area of various public open spaces, 503 acres.
Playing fields (private), 7 acres. Undeveloped area, 50 acres.
Soil and Situation.—Practically the whole of the Borough is situated on London
clay. There are a few superficial deposits of gravel in the south, and lower Bagshot sands in
the extreme north.
The altitude varies from 48 feet above ordnance datum, the lowest point, which is
situated in the south of the Borough in the neighbourhood of Ampton Street, King's Cross
Road, to 427 feet above ordnance datum, the highest point, which is in Pond Square in the
extreme north of the Borough.
The Borough is about four miles long, extending from near Oxford Street in the
south to Highgate in the north, and averages about a mile in width.
Population (1931 Census) (Provisional), 198,113.
Number of inhabited houses (according to Rate Books), 27,280.
Number of families or separate occupiers (1921 Census), 56,653.
Number of persons per acre (Census year 1931), 74.
2.—Principal Statistics for 1931.
Population (Registrar-General's mid-year estimate) Civilian, 195,200. Total, 195,600.
Number of persons per acre, 73.
Births.
Males, 1,528; females, 1,427. Total, 2,955.
Birth rate, 15.1 per 1,000 of population.
Legitimate births, 2,710; illegitimate births, 245.
Excess of births over deaths, 354.
Deaths.
Males, 1,355; females, 1,246. Total, 2,601.
Death rate, 13.3 per 1,000 of population.
Infantile Mortality.
Deaths of infants under one year of age per 1,000 births, 68,
Legitimate rate, 64; illegitimate rate, 110.