Local authority · London

Hillingdon: population and statistics

Hillingdon has a population of 326,671 (2025) across 115.7 km², or 2,823 people per km². It ranks 47 of 361 local authorities by population. Its population is growing: +11.1% between 2015 and 2025.

  • 326,671 residents
  • 115.7 km²
  • 2,823 people/km²
Location map: Hillingdon

Hillingdon in numbers

Population
326,671
ranked 47 of 361 +11.1%
Population density
2,823people/km²
ranked 72 of 361
Area
116km²
ranked 242 of 361
Households heated by oil only
0.1%%
ranked 246 of 318
Share of residents aged 65 and over
13.6%%
ranked 327 of 361
Business sites (local units)
17,260sites
ranked 32 of 361
Out-of-work benefit claimants, share of residents aged 16-64
5.0%%
ranked 43 of 361

Population of Hillingdon over time

288,930303,609318,288332,9672015 : 294,0112016 : 297,4512017 : 299,4692018 : 302,2632019 : 305,6412020 : 306,4602021 : 305,1072022 : 312,4932023 : 322,3832024 : 327,8862025 : 326,671201520172019202120232025

Hillingdon had 294,011 residents in 2015 and 326,671 in 2025.

YearPopulation
2020306,460
2021305,107
2022312,493
2023322,383
2024327,886
2025326,671

All indicators for Hillingdon

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

IndicatorHillingdonLondonUKPositionRank
Share of residents aged 65 and over (2025)13.6%12.6%20.4%ranked 327 of 361
Share of residents aged under 16 (2025)19.7%17.8%17.4%ranked 49 of 361

Housing

IndicatorHillingdonLondonUKPositionRank
Dwellings (Council Tax stock) (2026)119,060 dwellings3,863,73027,429,300ranked 66 of 318
Dwellings built before 1940 (2026)41.0%50.9%31.6%ranked 78 of 318
Dwellings built since 2000 (2026)16.5%18.5%18.1%ranked 188 of 318
Households (Census 2021) (2021)109,228 households111,53861,440ranked 65 of 318
Households living in a house or bungalow (2021)68.9%47.1%84.7%ranked 272 of 318
Households living in a flat or maisonette (2021)30.8%52.8%14.8%ranked 47 of 318
Owner-occupied households (incl. shared ownership) (2021)57.9%47.2%67.3%ranked 261 of 318
Households renting privately (2021)25.9%29.9%17.6%ranked 49 of 318
Households in social housing (2021)16.1%22.7%14.3%ranked 120 of 318
Average house price (2026)£470,875£555,175£272,474ranked 47 of 360
House price change over 12 months (2026)−1.3%−2.8%2.2%ranked 302 of 360

Energy

IndicatorHillingdonLondonUKPositionRank
Households without central heating (2021)1.6%2.2%1.2%ranked 86 of 318
Households heated by mains gas only (2021)75.8%70.7%76.7%ranked 170 of 318
Households heated by electricity only (2021)11.0%12.6%7.8%ranked 55 of 318
Households heated by oil only (2021)0.1%0.1%0.9%ranked 246 of 318

Economy

IndicatorHillingdonLondonUKPositionRank
Business sites (local units) (2026)17,260 sites611,3453,232,440ranked 32 of 361
Business sites per 1,000 residents (2026)52.8 per 1,00067.0 per 1,00044.4 per 1,000ranked 81 of 361
Registered businesses (enterprises) (2026)15,210 businesses552,5052,786,975ranked 34 of 361
Median annual pay, full-time residents (gross) (2025)£42,250£46,514£38,490ranked 98 of 348

Jobs

IndicatorHillingdonLondonUKPositionRank
Employment rate, aged 16-64 (2025-2026)72.4%74.7%76.3%ranked 267 of 347
Out-of-work benefit claimants, share of residents aged 16-64 (2026)5.0%5.5%3.2%ranked 43 of 361

Transport

IndicatorHillingdonLondonUKPositionRank
Households without a car or van (2021)22.3%41.3%18.5%ranked 110 of 318

Key points

Among the 33 local authorities in London, Hillingdon ranks 10 by population.

Households heated by oil only: 0.1% in Hillingdon, compared with an average of 0.1% in London and 3.4% across the UK.

Share of residents aged 65 and over: 13.6% in Hillingdon, compared with an average of 12.6% in London and 19.4% across the UK.

Largest business sector: Wholesale and retail trade, with 17.7% of the area's business sites.

Did you know?

Business sectors: Hillingdon

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 Hillingdon?

Frequently asked questions

What is the population of Hillingdon?

Hillingdon has 326,671 residents (2025), ranking 47 of 361 local authorities.

How big is Hillingdon?

Hillingdon covers 115.7 km², with a density of 2,823 people per km².

Is the population of Hillingdon growing?

Between 2015 and 2025, the population of Hillingdon went from 294,011 to 326,671, a change of +11.1%.

Where is Hillingdon?

Hillingdon is in London (region). Latitude 51.544, longitude −0.476.

Households heated by oil only: what is the figure for Hillingdon?

In Hillingdon, “Households heated by oil only” stands at 0.1% (2021), ranking 246 of 318 local authorities; the UK median is 0.9%.

Share of residents aged 65 and over: what is the figure for Hillingdon?

In Hillingdon, “Share of residents aged 65 and over” stands at 13.6% (2025), ranking 327 of 361 local authorities; the UK median is 20.4%.

Which local authorities border Hillingdon?

The nearest to Hillingdon are Slough (7.9 km), Three Rivers (11 km), Hounslow (11 km), Harrow (11 km), Ealing (12 km).