UK public data, by local authority district
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The population stood at 352,390 in 2024. That is 0.5% higher than a year earlier. That is the highest value in the published series, which begins in 2001.

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 — Belfast

352,390, latest 2024 (+0.5% year on year, from 350,533).

The population stood at 352,390 in 2024. That is 0.5% higher than a year earlier. That is the highest value in the published series, which begins in 2001. Its low point was 325,483 in 2005; the latest reading is 8% above that.

Show the numbers (24 periods)
Population estimate — Belfast, every published period
PeriodValue
2024352,390
2023350,533
2022348,005
2021344,992
2020344,994
2019345,391
2018343,690
2017341,915
2016341,111
2015340,194
2014337,872
2013335,881
2012334,322
2011333,895
2010333,489
2009331,763
2008330,052
2007327,383
2006325,985
2005325,483
2004326,268
2003327,176
2002328,471
2001328,695

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.
  • Latest figure: 2024 — 2 years old: This dataset is published annually and the publisher hasn't released anything newer. Nothing is missing from this page.

Cite this figure:

Population estimate — Belfast
352,390 for Belfast, 2024
Caveats: Mid-year estimate, not a census count; Unrounded, but not precise to the individual; Latest figure: 2024 — 2 years old
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/belfast/population-estimate

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