Data / Population / Eastleigh

Population in Eastleigh

Population in Eastleigh was 143,710 in 2025, according to the Office for National Statistics (United Kingdom). That is up 0.7% from 2024.

2025, persons143,710
Change on 2024+0.7%
Series high143,7102025
Series low125,8522011

Population in Eastleigh, 2011 to 2025

125K130K135K140K145K201120142017202020252011: 125,852 persons2012: 126,483 persons2013: 127,248 persons2014: 128,255 persons2015: 128,283 persons2016: 128,808 persons2017: 129,386 persons2018: 130,517 persons2019: 132,175 persons2020: 134,090 persons2021: 136,963 persons2022: 139,002 persons2023: 140,845 persons2024: 142,678 persons2025: 143,710 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
2025143,710
2024142,678
2023140,845
2022139,002
2021136,963
2020134,090
2019132,175
2018130,517
2017129,386
2016128,808
2015128,283
2014128,255
2013127,248
2012126,483
2011125,852

Compared with South East

Place2025
Eastleigh143,710
South East9,691,844

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 Eastleigh?

Population in Eastleigh was 143,710 in 2025, according to the Office for National Statistics (United Kingdom). That is up 0.7% 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 Eastleigh?

143,710 in 2025, the highest value since 2011 in this series.

Population elsewhere in South East

Related statistics for Eastleigh

All statistics for Eastleigh