UK public data, by local authority district
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The population stood at 148,069 in 2025. That is 0.7% 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 — South Kesteven

148,069, latest 2025 (+0.7% year on year, from 147,049).

The population stood at 148,069 in 2025. That is 0.7% higher than a year earlier. That is the highest value in the published series, which begins in 1991. Its low point was 109,524 in 1991; the latest reading is 35% above that.

Show the numbers (35 periods)
Population estimate — South Kesteven, every published period
PeriodValue
2025148,069
2024147,049
2023146,145
2022144,295
2021143,751
2020142,869
2019142,212
2018141,616
2017141,116
2016140,409
2015138,915
2014138,082
2013136,342
2012135,092
2011134,125
2010133,144
2009132,188
2008131,218
2007130,196
2006128,966
2005127,665
2004127,129
2003126,209
2002125,485
2001124,877
2000124,190
1999123,622
1998123,013
1997121,930
1996120,071
1995117,512
1994115,168
1993112,603
1992111,024
1991109,524

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 — South Kesteven
148,069 for South Kesteven, 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/south-kesteven/population-estimate

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