The population of Sefton is 275,899 according to mid-2020 population figures published by the ONS. Based on recent growth rates we estimate the current 2022 population of Sefton to be 274,880. In the year between mid-2019 and mid-2020, the population in Sefton grew by an estimated -511 people, and in the ten years prior to mid-2020, the population grew by 1,930. Compare population by area.
Sefton's population growth rate between mid-2019 and mid-2020 was -0.2%, which is 0.3% lower than the average population growth rate in Sefton for the ten years prior to mid-2020 (0.1%).
Sefton covers an area of 155 square kilometres (60 square miles) and has a population density of 1,780 people per square kilometre (km2), based on the latest population estimates taken in mid-2020. That figure has increased by 12 people per km2 over the past decade.
Between mid-2019 and mid-2020, net internal migration into Sefton was 598, and net international migration into Sefton was 213.
Sefton's fertility rate (the total number of children that would be born to the average woman in Sefton if she were to live to the end of her child-bearing years) of 1.59, and birth rate (the number of live births per thousand of population per year) of 9.0, led to population increases of 2,476 during the year, and Sefton's death rate or mortality rate (the number of deaths per thousand of population per year) of 13.9 resulted in a 3,840 population decrease. In total, a net 1,364 person natural decrease.
During the past decade, internal migration has risen from a net inflow of 73 in 2011 to a net 598 inflow. International migration has fallen from a net inflow of 369 in 2011 to an inflow of 213 in 2020.
The natural increase in population, due to births and deaths, has fallen from an annual net increase of -233 people in 2011 to -1,364 in 2020.
Internal migration was the largest driver of population change over the past decade, representing circa 239% of the total change in population (over 100% as other factors were net outflows).
Sefton's population, population density, and population growth rate, over the past decade.
Figures reported by the ONS in 2021.
Sefton's forecast, population density, and population growth rate, over the next twenty years. Figures reported by the ONS in 2018.
The population of Sefton is forecast to be 280,410 in 2025 and 283,744 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