Hillingdon population, 2001–2025
Hillingdon has an estimated population of 326,671 (mid-2025), up 33.0% since 2001. Official ONS mid-year estimates for the Hillingdon local authority area. The newest year is provisional: when ONS published mid-2025 it revised the mid-2024 figure for 348 of the 361 UK authorities, so read the last point on any of these charts as the current best estimate rather than a settled number.
Year by year
| Year | Population | Change |
|---|---|---|
| 2025 | 326,671 | -0.4% |
| 2024 | 327,886 | +1.7% |
| 2023 | 322,383 | +3.2% |
| 2022 | 312,493 | +2.4% |
| 2021 | 305,107 | -0.4% |
| 2020 | 306,460 | +0.3% |
| 2019 | 305,641 | +1.1% |
| 2018 | 302,263 | +0.9% |
| 2017 | 299,469 | +0.7% |
| 2016 | 297,451 | +1.2% |
| 2015 | 294,011 | +1.3% |
| 2014 | 290,225 | +1.5% |
| 2013 | 285,982 | +1.7% |
| 2012 | 281,263 | +2.1% |
| 2011 | 275,499 | +2.2% |
| 2010 | 269,465 | +1.4% |
| 2009 | 265,665 | +1.8% |
| 2008 | 261,051 | +1.6% |
| 2007 | 256,981 | +1.0% |
| 2006 | 254,387 | +1.2% |
| 2005 | 251,430 | +1.1% |
| 2004 | 248,691 | +0.3% |
| 2003 | 248,054 | +0.4% |
| 2002 | 247,063 | +0.6% |
| 2001 | 245,616 | — |
Food businesses
Hillingdon has 282 takeaways, 620 restaurants and cafés and 128 pubs and bars on the FSA's statutory register (as of July 2026) — 0.45 takeaways per restaurant against an English average of 0.49, and 8.6 takeaways per 10,000 residents. How that compares across England.
High street businesses
Hillingdon has 255 hairdressers and beauty salons, 60 pubs and bars, 145 licensed restaurants, 240 takeaways on the ONS business register (2025). Compare across the UK.
Rounded to the nearest 5, which is how ONS protects individual businesses from being identified.