Data / Population / Milton Keynes

Population in Milton Keynes

Population in Milton Keynes was 308,866 in 2025, according to the Office for National Statistics (United Kingdom). That is up 1% from 2024.

2025, persons308,866
Change on 2024+1%
Series high308,8662025
Series low249,8952011

Population in Milton Keynes, 2011 to 2025

240K260K280K300K320K201120142017202020252011: 249,895 persons2012: 254,003 persons2013: 259,672 persons2014: 264,948 persons2015: 269,783 persons2016: 274,231 persons2017: 276,588 persons2018: 278,892 persons2019: 281,434 persons2020: 283,707 persons2021: 288,312 persons2022: 292,805 persons2023: 300,323 persons2024: 305,806 persons2025: 308,866 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
2025308,866
2024305,806
2023300,323
2022292,805
2021288,312
2020283,707
2019281,434
2018278,892
2017276,588
2016274,231
2015269,783
2014264,948
2013259,672
2012254,003
2011249,895

Compared with South East

Place2025
Milton Keynes308,866
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 Milton Keynes?

Population in Milton Keynes was 308,866 in 2025, according to the Office for National Statistics (United Kingdom). That is up 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 Milton Keynes?

308,866 in 2025, the highest value since 2011 in this series.

Population elsewhere in South East

Related statistics for Milton Keynes

All statistics for Milton Keynes