Population Of London 2024 Census Bureau. The city of london's population increased by around 1,200 between the last two censuses (held in 2011 and 2021). In 1950, the population of london was 8,360,850.
In 2024, the estimated population of london is 9.65 million people. London has grown by 99,920 in the last year, which represents a 1.04% annual change.