UK public data, by local authority district
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The population stood at 526,392 in 2025. That is 0.5% 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 — Wiltshire

526,392, latest 2025 (+0.5% year on year, from 524,001).

The population stood at 526,392 in 2025. That is 0.5% higher than a year earlier. That is the highest value in the published series, which begins in 1991. Its low point was 398,650 in 1991; the latest reading is 32% above that.

Show the numbers (35 periods)
Population estimate — Wiltshire, every published period
PeriodValue
2025526,392
2024524,001
2023519,941
2022515,957
2021513,240
2020507,047
2019502,985
2018498,703
2017497,177
2016492,706
2015488,377
2014484,344
2013479,505
2012476,806
2011474,319
2010470,199
2009466,711
2008464,007
2007458,840
2006453,041
2005448,670
2004445,632
2003442,633
2002438,386
2001433,508
2000428,251
1999425,242
1998422,136
1997418,840
1996415,836
1995414,251
1994410,702
1993407,284
1992403,871
1991398,650

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.
  • Not adjusted for population: This figure — 526,392 — is well outside the typical range for other areas currently publishing this dataset (median about 148,095 across 349 other areas). This is a raw count, not adjusted for population — a larger area is expected to report a larger number regardless of anything unusual happening there. Not itself a sign of a data problem.
  • Not adjusted for population, 2024: This area's 2024 figure was 524,001, well outside the typical range for other areas that reported for 2024 (median about 148,242 across 360 other areas). This figure is a raw count, not adjusted for population — a larger area is expected to report a larger number regardless of anything unusual happening there. Not itself a sign of a data problem.

Cite this figure:

Population estimate — Wiltshire
526,392 for Wiltshire, 2025
Caveats: Mid-year estimate, not a census count; Unrounded, but not precise to the individual; Not adjusted for population; Not adjusted for population, 2024
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/wiltshire/population-estimate

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