The population of Derby is 256,814 according to mid-2020 population figures published by the ONS. Based on recent growth rates we estimate the current 2022 population of Derby to be 255,841. In the year between mid-2019 and mid-2020, the population in Derby grew by an estimated -488 people, and in the ten years prior to mid-2020, the population grew by 7,871. Compare population by area.
Derby's population growth rate between mid-2019 and mid-2020 was -0.2%, which is 0.5% lower than the average population growth rate in Derby for the ten years prior to mid-2020 (0.3%).
Derby covers an area of 78 square kilometres (30 square miles) and has a population density of 3,291 people per square kilometre (km2), based on the latest population estimates taken in mid-2020. That figure has increased by 101 people per km2 over the past decade.
Between mid-2019 and mid-2020, net internal migration out of Derby was 2,174, and net international migration into Derby was 1,424.
Derby's fertility rate (the total number of children that would be born to the average woman in Derby if she were to live to the end of her child-bearing years) of 1.69, and birth rate (the number of live births per thousand of population per year) of 11.4, led to population increases of 2,922 during the year, and Derby's death rate or mortality rate (the number of deaths per thousand of population per year) of 10.5 resulted in a 2,693 population decrease. In total, a net 229 person natural increase.
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During the past decade, internal migration has fallen from a net outflow of 480 in 2011 to a net 2,174 outflow. International migration has risen from a net inflow of 947 in 2011 to an inflow of 1,424 in 2020.
The natural increase in population, due to births and deaths, has fallen from an annual net increase of 1,480 people in 2011 to 229 in 2020.
Births and deaths was the largest driver of population change over the past decade, representing circa 110% of the total change in population (over 100% as other factors were net outflows).
Derby's population, population density, and population growth rate, over the past decade.
Figures reported by the ONS in 2021.
Derby's forecast, population density, and population growth rate, over the next twenty years. Figures reported by the ONS in 2018.
The population of Derby is forecast to be 261,601 in 2025 and 264,679 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