Population in Hounslow

Population in Hounslow was 299,486 in 2025, according to the Office for National Statistics (United Kingdom). That is down 0.2% from 2024.

2025, persons299,486
Change on 2024-0.2%
Series high300,0472024
Series low254,9272011

Population in Hounslow, 2011 to 2025

250K260K270K280K290K300K310K201120142017202020252011: 254,927 persons2012: 260,584 persons2013: 265,547 persons2014: 270,773 persons2015: 275,097 persons2016: 278,601 persons2017: 281,117 persons2018: 285,430 persons2019: 289,652 persons2020: 289,773 persons2021: 288,164 persons2022: 290,151 persons2023: 297,085 persons2024: 300,047 persons2025: 299,486 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
2025299,486
2024300,047
2023297,085
2022290,151
2021288,164
2020289,773
2019289,652
2018285,430
2017281,117
2016278,601
2015275,097
2014270,773
2013265,547
2012260,584
2011254,927

Compared with London

Place2025
Hounslow299,486
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 Hounslow?

Population in Hounslow was 299,486 in 2025, according to the Office for National Statistics (United Kingdom). That is down 0.2% 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 Hounslow?

300,047 in 2024, the highest value since 2011 in this series.

Population elsewhere in London

Related statistics for Hounslow

All statistics for Hounslow