London's demographics explored by processing 2011 Census data with a statistical sorting method called cluster analysis. Attention is then focused on the sounds of the 12 archetypal council wards emerging from the study.
Highest for Indian and Other Asian populations. Second highest for sales and process occupations, domestic gardens as a proportion of land area, semi-detached houses. Second lowest for English as the main household language and White British population.
Mean age: 35.3.
Main occupation groups – Professional: 17.5%. Elementary: 13.2%. Administrative: 12.3%. Technical: 10.9%. Skilled trades: 10.6%.
Long-term unemployed: 3.1%.
Main ethnic groups – Indian: 27%. White British: 20.2%. Other Asian: 12%. Other White: 10.8%. African: 7.4%.
English as main household language: 55.8%.
Households without a car: 29.8%.
Residents per hectare: 62.7.
Main land use types – Domestic gardens: 32.6%. Green space: 24.9%. Roads: 14.4%. Domestic buildings: 10.2%. Non-domestic buildings: 5.4%.
Main housing types – Semi-detached: 37.7%. Flats: 26.5%. Terraced: 21.2%. Detached: 6.8%. Conversions: 6.1%.
Main tenure types – Mortgaged: 30.3%. Owned outright: 25.6%. Privately rented: 25.3%. Social housing: 16%.
Total wards: 45.
Wards with silhouette values above 0.2 in descending order: Queensbury (Brent), Edgware (Harrow), Queensbury (Harrow), Preston (Brent), Heston East (Hounslow), Barnhill (Hillingdon), Fryent (Brent), Sudbury (Brent), Roxeth (Harrow), Northwick Park (Brent), Pinkwell (Hillingdon), Heston Central (Hounslow), Kenton East (Harrow), Hounslow West (Hounslow), Tokyngton (Brent), Hounslow Central (Hounslow), Norwood Green (Ealing), Wealdstone (Harrow), North Greenford (Ealing), Roxbourne (Ealing), Wembley Central (Brent), Alperton (Brent).
Medoid/lowest average distance within: Preston (Brent) 22.09.
Highest silhouette value: Queensbury (Brent) 0.3528.