Population estimates by output areas, electoral, health and other geographies, England and Wales: mid-2023 and mid-2024, revised mid-2022

Summary

National population estimates broken down into small geographical areas (Super Output Areas, health geographies, electoral wards, Parliamentary constituencies and National Parks).

Publications

• Population estimates by output areas, electoral, health and other geographies, England and Wales: mid-2023 and mid-2024, revised mid-2022

  National population estimates broken down into small geographical areas (Super Output Areas, health geographies, electoral wards, Parliamentary constituencies and National Parks).

Data

• Lower layer Super Output Area population estimates (Accredited official statistics)

  Mid-year (30 June) estimates of the usual resident population for Lower layer Super Output Areas (LSOAs) in England and Wales by broad age groups and sex.

• Health geographies population estimates (Accredited official statistics)

  Mid-year (30 June) estimates of the usual resident population for health geographies in England and Wales.

• National Park population estimates

  Mid-year (30 June) estimates of the usual resident population for the 13 National Parks in England and Wales. These are official statistics in development.

• Middle layer Super Output Area population estimates (supporting information)

  Mid-year (30 June) estimates of the usual resident population for Middle layer Super Output Areas (MSOAs) in England and Wales by single year of age and sex.

• Lower layer Super Output Area population estimates (supporting information)

  Mid-year (30 June) estimates of the usual resident population for Lower layer Super Output Areas (LSOAs) in England and Wales by single year of age and sex.

• Middle layer Super Output Area population estimates (Accredited official statistics)

  Mid-year (30 June) estimates of the usual resident population for Middle layer Super Output Areas (MSOAs) in England and Wales by quinary age groups and sex.

• Lower layer Super Output Area population density (Accredited official statistics)

  Mid-year (30 June) population density of Lower layer Super Output Areas (LSOAs) in England and Wales based on estimates of the usual resident population.

Methodology

• Population estimates by output areas, electoral, health and other geographies QMI

  Quality and methodology information for national population estimates broken down into small geographical areas (Super Output Areas, health geographies, electoral wards, Parliamentary constituencies and National Parks) in England and Wales. Details the strengths and limitations of the data, methods used, and data uses and users.

Contact details

Changes to this release date

1. Previous date

   24 October 2025 9:30am

   Reason for change

   This release has been postponed to 7 November 2025 due to a processing error. The processing of prison population data for 2021 used a raw dataset based on an outdated specification of which prisoners would be resident in prison for 12 months or more. We apologise for any inconvenience caused by this delay.

About the data