The population of Three Rivers is 93,966 according to mid-2020 population figures published by the ONS. Based on recent growth rates we estimate the current 2022 population of Three Rivers to be 95,265. In the year between mid-2019 and mid-2020, the population in Three Rivers grew by an estimated 643 people, and in the ten years prior to mid-2020, the population grew by 6,045. Compare population by area.
Three Rivers's population growth rate between mid-2019 and mid-2020 was 0.7%, which is 0.1% lower than the average population growth rate in Three Rivers for the ten years prior to mid-2020 (0.7%).
Three Rivers covers an area of 89 square kilometres (34 square miles) and has a population density of 1,058 people per square kilometre (km2), based on the latest population estimates taken in mid-2020. That figure has increased by 68 people per km2 over the past decade.
Between mid-2019 and mid-2020, net internal migration into Three Rivers was 464, and net international migration out of Three Rivers was 8.
Three Rivers's fertility rate (the total number of children that would be born to the average woman in Three Rivers if she were to live to the end of her child-bearing years) of 1.76, and birth rate (the number of live births per thousand of population per year) of 10.6, led to population increases of 990 during the year, and Three Rivers's death rate or mortality rate (the number of deaths per thousand of population per year) of 9.4 resulted in a 880 population decrease. In total, a net 110 person natural increase.
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During the past decade, internal migration has risen from a net inflow of 197 in 2011 to a net 464 inflow. International migration has risen from a net outflow of 23 in 2011 to an outflow of 8 in 2020.
The natural increase in population, due to births and deaths, has fallen from an annual net increase of 362 people in 2011 to 110 in 2020.
Internal migration was the largest driver of population change over the past decade, representing circa 53% of the total change in population.
Three Rivers's population, population density, and population growth rate, over the past decade.
Figures reported by the ONS in 2021.
Three Rivers's forecast, population density, and population growth rate, over the next twenty years. Figures reported by the ONS in 2018.
The population of Three Rivers is forecast to be 93,502 in 2025 and 93,346 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