Local authority · London

Kensington and Chelsea: population and statistics

Kensington and Chelsea has a population of 145,734 (2025) across 12.1 km², or 12,014 people per km². It ranks 188 of 361 local authorities by population. Its population is falling: −6.7% between 2015 and 2025.

  • 145,734 residents
  • 12.1 km²
  • 12,014 people/km²
Location map: Kensington and Chelsea

Kensington and Chelsea in numbers

Population
145,734
ranked 188 of 361 −6.7%
Population density
12,014people/km²
ranked 4 of 361
Area
12.1km²
ranked 360 of 361
Dwellings built before 1940
72.9%%
ranked 1 of 318
Share of residents aged under 16
12.8%%
ranked 358 of 361
Households without central heating
3.4%%
ranked 5 of 318
Median annual pay, full-time residents (gross)
£52,576GBP
ranked 6 of 348

Population of Kensington and Chelsea over time

142,484147,633152,782157,9312015 : 156,1492016 : 152,7082017 : 149,6512018 : 148,4712019 : 146,8052020 : 144,8742021 : 144,2662022 : 147,8872023 : 149,0492024 : 147,2552025 : 145,734201520172019202120232025

Kensington and Chelsea had 156,149 residents in 2015 and 145,734 in 2025.

YearPopulation
2020144,874
2021144,266
2022147,887
2023149,049
2024147,255
2025145,734

All indicators for Kensington and Chelsea

Value for the area, then the regional average and the UK median (for counts: regional and UK totals). The gauge places the area between the lowest and highest value in the UK.

Population

IndicatorKensington and ChelseaLondonUKPositionRank
Share of residents aged 65 and over (2025)16.1%12.6%20.4%ranked 295 of 361
Share of residents aged under 16 (2025)12.8%17.8%17.4%ranked 358 of 361

Housing

IndicatorKensington and ChelseaLondonUKPositionRank
Dwellings (Council Tax stock) (2026)89,660 dwellings3,863,73027,429,300ranked 102 of 318
Dwellings built before 1940 (2026)72.9%50.9%31.6%ranked 1 of 318
Dwellings built since 2000 (2026)7.1%18.5%18.1%ranked 317 of 318
Households (Census 2021) (2021)66,884 households111,53861,440ranked 134 of 318
Households living in a house or bungalow (2021)17.0%47.1%84.7%ranked 313 of 318
Households living in a flat or maisonette (2021)82.9%52.8%14.8%ranked 6 of 318
Owner-occupied households (incl. shared ownership) (2021)32.7%47.2%67.3%ranked 312 of 318
Households renting privately (2021)39.6%29.9%17.6%ranked 3 of 318
Households in social housing (2021)27.6%22.7%14.3%ranked 17 of 318
Average house price (2026)£1,232,640£555,175£272,474ranked 1 of 360
House price change over 12 months (2026)−14.1%−2.8%2.2%ranked 357 of 360

Energy

IndicatorKensington and ChelseaLondonUKPositionRank
Households without central heating (2021)3.4%2.2%1.2%ranked 5 of 318
Households heated by mains gas only (2021)63.4%70.7%76.7%ranked 276 of 318
Households heated by electricity only (2021)14.1%12.6%7.8%ranked 15 of 318
Households heated by oil only (2021)0.5%0.1%0.9%ranked 177 of 318

Economy

IndicatorKensington and ChelseaLondonUKPositionRank
Business sites (local units) (2026)15,105 sites611,3453,232,440ranked 49 of 361
Business sites per 1,000 residents (2026)103.6 per 1,00067.0 per 1,00044.4 per 1,000ranked 7 of 361
Registered businesses (enterprises) (2026)13,025 businesses552,5052,786,975ranked 47 of 361
Median annual pay, full-time residents (gross) (2025)£52,576£46,514£38,490ranked 6 of 348

Jobs

IndicatorKensington and ChelseaLondonUKPositionRank
Employment rate, aged 16-64 (2025-2026)65.6%74.7%76.3%ranked 336 of 347
Out-of-work benefit claimants, share of residents aged 16-64 (2026)3.4%5.5%3.2%ranked 142 of 361

Transport

IndicatorKensington and ChelseaLondonUKPositionRank
Households without a car or van (2021)58.3%41.3%18.5%ranked 8 of 318

Key points

Among the 33 local authorities in London, Kensington and Chelsea ranks 32 by population.

Dwellings built before 1940: 72.9% in Kensington and Chelsea, compared with an average of 50.9% in London and 34.9% across the UK.

Share of residents aged under 16: 12.8% in Kensington and Chelsea, compared with an average of 17.8% in London and 17.7% across the UK.

Largest business sector: Professional, scientific and technical, with 20.6% of the area's business sites.

Did you know?

Business sectors: Kensington and Chelsea

Share of each sector in total business sites; “×1.5” means the sector is 1.5 times more common than across the UK.

Where is Kensington and Chelsea?

Frequently asked questions

What is the population of Kensington and Chelsea?

Kensington and Chelsea has 145,734 residents (2025), ranking 188 of 361 local authorities.

How big is Kensington and Chelsea?

Kensington and Chelsea covers 12.1 km², with a density of 12,014 people per km².

Is the population of Kensington and Chelsea growing?

Between 2015 and 2025, the population of Kensington and Chelsea went from 156,149 to 145,734, a change of −6.7%.

Where is Kensington and Chelsea?

Kensington and Chelsea is in London (region). Latitude 51.502, longitude −0.195.

Dwellings built before 1940: what is the figure for Kensington and Chelsea?

In Kensington and Chelsea, “Dwellings built before 1940” stands at 72.9% (2026), ranking 1 of 318 local authorities; the UK median is 31.6%.

Share of residents aged under 16: what is the figure for Kensington and Chelsea?

In Kensington and Chelsea, “Share of residents aged under 16” stands at 12.8% (2025), ranking 358 of 361 local authorities; the UK median is 17.4%.

Which local authorities border Kensington and Chelsea?

The nearest to Kensington and Chelsea are Hammersmith and Fulham (2.9 km), Westminster (4.1 km), Wandsworth (5.0 km), Camden (5.1 km), Lambeth (7.1 km).