Local authority · South East

Milton Keynes: population and statistics

Milton Keynes has a population of 308,866 (2025) across 308.6 km², or 1,001 people per km². It ranks 56 of 361 local authorities by population. Its population is growing: +14.5% between 2015 and 2025.

  • 308,866 residents
  • 308.6 km²
  • 1,001 people/km²
Location map: Milton Keynes

Milton Keynes in numbers

Population
308,866
ranked 56 of 361 +14.5%
Population density
1,001people/km²
ranked 150 of 361
Area
309km²
ranked 164 of 361
Dwellings built since 2000
33.5%%
ranked 3 of 318
Share of residents aged under 16
20.9%%
ranked 21 of 361
Registered businesses (enterprises)
12,930businesses
ranked 49 of 361
Out-of-work benefit claimants, share of residents aged 16-64
4.1%%
ranked 88 of 361

Population of Milton Keynes over time

263,921280,857297,792314,7282015 : 269,7832016 : 274,2312017 : 276,5882018 : 278,8922019 : 281,4342020 : 283,7072021 : 288,3122022 : 292,8052023 : 300,3232024 : 305,8062025 : 308,866201520172019202120232025

Milton Keynes had 269,783 residents in 2015 and 308,866 in 2025.

YearPopulation
2020283,707
2021288,312
2022292,805
2023300,323
2024305,806
2025308,866

All indicators for Milton Keynes

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

IndicatorMilton KeynesSouth EastUKPositionRank
Share of residents aged 65 and over (2025)14.5%20.2%20.4%ranked 317 of 361
Share of residents aged under 16 (2025)20.9%18.1%17.4%ranked 21 of 361

Housing

IndicatorMilton KeynesSouth EastUKPositionRank
Dwellings (Council Tax stock) (2026)128,230 dwellings4,201,53027,429,300ranked 57 of 318
Dwellings built before 1940 (2026)7.8%28.0%31.6%ranked 313 of 318
Dwellings built since 2000 (2026)33.5%19.8%18.1%ranked 3 of 318
Households (Census 2021) (2021)113,103 households72,55361,440ranked 60 of 318
Households living in a house or bungalow (2021)81.8%77.8%84.7%ranked 189 of 318
Households living in a flat or maisonette (2021)18.1%21.5%14.8%ranked 126 of 318
Owner-occupied households (incl. shared ownership) (2021)60.9%67.0%67.3%ranked 237 of 318
Households renting privately (2021)20.9%19.2%17.6%ranked 86 of 318
Households in social housing (2021)18.1%13.7%14.3%ranked 85 of 318
Average house price (2026)£330,419£392,981£272,474ranked 121 of 360
House price change over 12 months (2026)2.6%0.5%2.2%ranked 158 of 360

Energy

IndicatorMilton KeynesSouth EastUKPositionRank
Households without central heating (2021)1.1%1.3%1.2%ranked 175 of 318
Households heated by mains gas only (2021)77.5%74.6%76.7%ranked 140 of 318
Households heated by electricity only (2021)8.3%9.2%7.8%ranked 132 of 318
Households heated by oil only (2021)0.9%3.2%0.9%ranked 159 of 318

Economy

IndicatorMilton KeynesSouth EastUKPositionRank
Business sites (local units) (2026)15,105 sites472,2603,232,440ranked 49 of 361
Business sites per 1,000 residents (2026)48.9 per 1,00048.7 per 1,00044.4 per 1,000ranked 126 of 361
Registered businesses (enterprises) (2026)12,930 businesses412,0752,786,975ranked 49 of 361
Median annual pay, full-time residents (gross) (2025)£41,389£41,780£38,490ranked 112 of 348

Jobs

IndicatorMilton KeynesSouth EastUKPositionRank
Employment rate, aged 16-64 (2025-2026)78.1%79.1%76.3%ranked 134 of 347
Out-of-work benefit claimants, share of residents aged 16-64 (2026)4.1%3.1%3.2%ranked 88 of 361

Transport

IndicatorMilton KeynesSouth EastUKPositionRank
Households without a car or van (2021)17.1%16.8%18.5%ranked 177 of 318

Key points

Among the 64 local authorities in South East, Milton Keynes ranks 2 by population.

Dwellings built since 2000: 33.5% in Milton Keynes, compared with an average of 19.8% in South East and 18.6% across the UK.

Share of residents aged under 16: 20.9% in Milton Keynes, compared with an average of 18.1% in South East and 17.7% across the UK.

Largest business sector: Wholesale and retail trade, with 15.7% of the area's business sites.

Did you know?

Business sectors: Milton Keynes

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 Milton Keynes?

Frequently asked questions

What is the population of Milton Keynes?

Milton Keynes has 308,866 residents (2025), ranking 56 of 361 local authorities.

How big is Milton Keynes?

Milton Keynes covers 308.6 km², with a density of 1,001 people per km².

Is the population of Milton Keynes growing?

Between 2015 and 2025, the population of Milton Keynes went from 269,783 to 308,866, a change of +14.5%.

Where is Milton Keynes?

Milton Keynes is in South East (region). Latitude 52.033, longitude −0.767.

Dwellings built since 2000: what is the figure for Milton Keynes?

In Milton Keynes, “Dwellings built since 2000” stands at 33.5% (2026), ranking 3 of 318 local authorities; the UK median is 18.1%.

Share of residents aged under 16: what is the figure for Milton Keynes?

In Milton Keynes, “Share of residents aged under 16” stands at 20.9% (2025), ranking 21 of 361 local authorities; the UK median is 17.4%.

Which local authorities border Milton Keynes?

The nearest to Milton Keynes are Central Bedfordshire (19 km), Bedford (24 km), Luton (28 km), West Northamptonshire (29 km), Buckinghamshire (30 km).