The population of Preston has risen to 147,900, the first results from the 2021 census have shown.
AdvertisementIt grew by 5 per cent since the previous census in 2011.
Nearby local authorities also saw an increase in their populations.
South Ribble had the smallest rise, up by 1.8 per cent to 111,000, while Wyre was up by 3.9 per cent to 111,900.
Fylde and Ribble Valley had bigger increases, with Fylde up by 7.4 per cent to 81,400, and Ribble Valley up by 7.6 per cent to 61,500.
The local growth in population follows the overall trend for the population of England and Wales, which has increased by 6 per cent to 59,597,300.
When added to published census figures for Northern Ireland and the official estimate of the Scottish population for 2020, the UK population now stands at 66,966,400.
The rise is one of the biggest since the census began in 1801.
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The census is carried out every 10 years by the Office for National Statistics, with the 2021 survey done on 21 March last year.
It asks people to answer questions about themselves, their household and their home to build a detailed snapshot of society.
The results are intended to help organisations make decisions on planning and funding public services such as transport, education and healthcare.
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