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The population stood at 159,776 in 2025. That is 0.6% higher than a year earlier. That is the highest value in the published series, which begins in 1991.

Why the caveats matter

Every figure carries the publisher's own caveats. Where a statistic is published for a wider area than the one you clicked, or where the publisher itself flags it as unreliable, the page says so rather than quietly rounding it off.

The UK's four nations publish separately, so some figures stop at a border: house sale prices cover England and Wales, road collisions Great Britain. Pupil absence is published for England, but not every English district individually — some are reported only as part of their wider county. An area with fewer datasets isn't missing data — either its nation publishes that statistic through a different body, or (pupil absence only) its own district isn't reported separately.

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Population estimate — Windsor and Maidenhead

159,776, latest 2025 (+0.6% year on year, from 158,760).

The population stood at 159,776 in 2025. That is 0.6% higher than a year earlier. That is the highest value in the published series, which begins in 1991. Its low point was 132,917 in 1999; the latest reading is 20% above that.

Show the numbers (35 periods)
Population estimate — Windsor and Maidenhead, every published period
PeriodValue
2025159,776
2024158,760
2023157,220
2022155,140
2021153,922
2020153,991
2019153,893
2018153,470
2017152,648
2016152,085
2015150,043
2014148,936
2013147,525
2012146,642
2011145,098
2010143,988
2009142,424
2008141,345
2007139,743
2006138,012
2005136,446
2004135,066
2003134,201
2002133,631
2001133,541
2000133,654
1999132,917
1998132,960
1997135,036
1996135,917
1995135,474
1994134,148
1993134,043
1992133,884
1991133,695

What these terms mean

Mid-year estimate
A modelled count of the population on 30 June, updated between censuses. It is an estimate, not a headcount. Source
Local authority district
The council area a statistic is published for -- 361 across the UK. In England these are boroughs, districts and unitary authorities; in Scotland, council areas; in Wales, principal areas; in Northern Ireland, districts.

Before you use these figures

  • Mid-year estimate, not a census count: This is a modelled mid-year (30 June) estimate, not a direct headcount. It is rebased periodically against the latest UK census results -- the current series was rebased to the 2021/2022 censuses, replacing previously published estimates for 2011 to 2022. Figures for the same year can therefore change between publications as later data becomes available.
  • Unrounded, but not precise to the individual: Figures are published unrounded to enable further calculation, but ONS is explicit that small estimates should not be read as accurate to a specific person -- they are produced using statistical models and disclosure-control methods, not a direct count.

Cite this figure:

Population estimate — Windsor and Maidenhead
159,776 for Windsor and Maidenhead, 2025
Caveats: Mid-year estimate, not a census count; Unrounded, but not precise to the individual
StatsMapped last confirmed this figure unchanged on 5 Sep 2026.
Source: Office for National Statistics, Population Estimates (via Nomis)
https://statsmapped.com/united-kingdom/local-authority/windsor-and-maidenhead/population-estimate

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