Data / Population / Kensington and Chelsea

Population in Kensington and Chelsea

Population in Kensington and Chelsea was 145,734 in 2025, according to the Office for National Statistics (United Kingdom). That is down 1% from 2024.

2025, persons145,734
Change on 2024-1%
Series high158,2512011
Series low144,2662021

Population in Kensington and Chelsea, 2011 to 2025

140K145K150K155K160K201120142017202020252011: 158,251 persons2012: 157,240 persons2013: 156,823 persons2014: 156,178 persons2015: 156,149 persons2016: 152,708 persons2017: 149,651 persons2018: 148,471 persons2019: 146,805 persons2020: 144,874 persons2021: 144,266 persons2022: 147,887 persons2023: 149,049 persons2024: 147,255 persons2025: 145,734 persons
persons. Source: Office for National Statistics, Population estimates, local authority based by single year of age: all ages, both sexes, mid-year (ONS, Nomis NM_2002_1). Retrieved 2026-10-11, published 2026-07-29.
All 15 values
Periodpersons
2025145,734
2024147,255
2023149,049
2022147,887
2021144,266
2020144,874
2019146,805
2018148,471
2017149,651
2016152,708
2015156,149
2014156,178
2013156,823
2012157,240
2011158,251

Compared with London

Place2025
Kensington and Chelsea145,734
London9,122,909

Rankings

Definition

Resident population. Spain and the EU: 1 January, with Spanish figures from the official municipal register (Padrón). Norway: Statistics Norway, 1 January. United States: Census Bureau population estimates for 1 July. United Kingdom regions and local authorities: Office for National Statistics estimates for 30 June. Other countries and the World: World Bank mid-year estimates, which count all residents regardless of legal status or citizenship.

The World Bank series exists for every country, so use it (through compare) to rank countries on one basis.

How to cite

Office for National Statistics. Population estimates, local authority based by single year of age: all ages, both sexes, mid-year (ONS, Nomis NM_2002_1). Contains public sector information licensed under the Open Government Licence v3.0. https://www.nomisweb.co.uk/api/v01/dataset/NM_2002_1.data.json?geography=TYPE480,TYPE424&gender=0&c_age=200&measures=20100&time=2011,latest. Retrieved 2026-10-11.

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Questions

What is the population in Kensington and Chelsea?

Population in Kensington and Chelsea was 145,734 in 2025, according to the Office for National Statistics (United Kingdom). That is down 1% from 2024.

Where does this figure come from?

Office for National Statistics (United Kingdom). Population estimates, local authority based by single year of age: all ages, both sexes, mid-year (ONS, Nomis NM_2002_1). Retrieved by Invokely on 2026-10-11.

What was the highest population in Kensington and Chelsea?

158,251 in 2011, the highest value since 2011 in this series.

Population elsewhere in London

Related statistics for Kensington and Chelsea

All statistics for Kensington and Chelsea