The population of Hillingdon is 309,014 according to mid-2020 population figures published by the ONS. Based on recent growth rates we estimate the current 2022 population of Hillingdon to be 313,347. In the year between mid-2019 and mid-2020, the population in Hillingdon grew by an estimated 2,144 people, and in the ten years prior to mid-2020, the population grew by 33,515. Compare population by area.
Hillingdon's population growth rate between mid-2019 and mid-2020 was 0.7%, which is 0.6% lower than the average population growth rate in Hillingdon for the ten years prior to mid-2020 (1.3%).
Hillingdon covers an area of 116 square kilometres (45 square miles) and has a population density of 2,671 people per square kilometre (km2), based on the latest population estimates taken in mid-2020. That figure has increased by 290 people per km2 over the past decade.
Between mid-2019 and mid-2020, net internal migration out of Hillingdon was 2,605, and net international migration into Hillingdon was 2,965.
Hillingdon's fertility rate (the total number of children that would be born to the average woman in Hillingdon if she were to live to the end of her child-bearing years) of 1.79, and birth rate (the number of live births per thousand of population per year) of 13.0, led to population increases of 4,003 during the year, and Hillingdon's death rate or mortality rate (the number of deaths per thousand of population per year) of 7.6 resulted in a 2,330 population decrease. In total, a net 1,673 person natural increase.
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During the past decade, internal migration has fallen from a net outflow of 181 in 2011 to a net 2,605 outflow. International migration has fallen from a net inflow of 4,406 in 2011 to an inflow of 2,965 in 2020.
The natural increase in population, due to births and deaths, has fallen from an annual net increase of 2,507 people in 2011 to 1,673 in 2020.
International migration was the largest driver of population change over the past decade, representing circa 82% of the total change in population.
Hillingdon's population, population density, and population growth rate, over the past decade.
Figures reported by the ONS in 2021.
Hillingdon's forecast, population density, and population growth rate, over the next twenty years. Figures reported by the ONS in 2018.
The population of Hillingdon is forecast to be 316,030 in 2025 and 319,884 in 2030.
Source: Office for National Statistics licensed under the Open Government Licence v.3.0. Contains OS data © Crown copyright and database right 2021. Data sources: ONS Local statistics