| Population | | Total projected population figure | | Figures from last census | | Croydon | 343,000 | | Barnet | 331,000 | | Ealing | 320,000 | | Bromley | 302,000 | | Lambeth | 300,000 | | Wandsworth | 298,000 | | Enfield | 294,000 | | Southwark | 285,000 | | Brent | 280,000 | | Lewisham | 273,000 | | Newham | 268,000 | | Hillingdon | 262,000 | | Redbridge | 259,000 | | Tower Hamlets | 249,000 | | Greenwich | 238,000 | | Haringey | 237,000 | | Hounslow | 237,000 | | Havering | 232,000 | | Hackney | 231,000 | | Waltham Forest | 229,000 | | Harrow | 221,000 | | Bexley | 217,000 | | City of Westminster | 217,000 | | Camden | 211,000 | | Islington | 209,000 | | Merton | 199,000 | | Sutton | 186,000 | | Richmond upon Thames | 186,000 | | Hammersmith and Fulham | 181,000 | | Barking and Dagenham | 178,000 | | Kensington and Chelsea | 170,000 | | Kingston upon Thames | 155,000 | | City of London | 10,000 |
| | | |