TMU Owned Resource
Keyword searching in Omni for historical statistics:
historical statistics london england
Omni Browse and Library of Congress Subject heading: [using the name of a country or region and the word statistics]
great britain statistics
Consult the TMU Library Geospatial Map and Data website.
External Resources (linking will take you out of the TMU Research Guides site)
UK Census Online
Google for other LibGuides from institutions around the world.
On the first page of hits when Googling london england history libguides you may find some useful suggestions