 The population of this ward at the 2011 Census was 12,034.Before urbanisation the entire road was known as the "Harrow Road" but, as various local authorities came into existence and imposed independent numbering schemes and more localised descriptions on the parts of the road within their respective boundaries, the principal name was replaced in a number of places along its course.The current street names (with road numbers) running from Paddington to Harrow are as follows