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Overview

South West · Unitary authority

Bath and North East Somerset

2026/27 view

Bath and North East Somerset · ONS E06000022

Financial position as at 2026/27 Q1 quarter end

View sources
PEOPLE AND PLACE

Population and community profile

Latest official statistics
Population 200,028 2024
South West region 5,889,695
Bath and North East Somerset represents 3.40% of the region's population
Five-year population change
+9,852 residents ↑ 5.2%
2019: 190,176 residents2020: 191,974 residents2021: 192,419 residents2022: 195,467 residents2023: 198,264 residents2024: 200,028 residents
Bath and North East Somerset +5.2%
South West +4.4%
England +4.3%
Growth context

Bath and North East Somerset's population grew over five years. Its change was 0.8 percentage points above the South West and 0.9 percentage points above England.

2019–2024 ONS mid-year estimates
Population estimates and labour-market measures from ONS/Nomis.Official profile
AIR QUALITY

How clean is the air?

Long-term particulate pollution across the council area, alongside measurements from local UK-AIR monitoring stations.

Defra 2,024
POPULATION-WEIGHTED ANNUAL MEAN

Fine particulate matter

6.1 µg/m³

PM2.5 · 2,024

Human-related sources 5.6 µg/m³
Other sources 0.5 µg/m³
Modelled population-weighted annual concentration across the local authority area. This is not a live sensor reading.
LONG-TERM TREND

PM2.5 over time

43.8%
10.8 5.8
2011: 10.85 µg/m³ 2012: 9.85 µg/m³ 2013: 10.56 µg/m³ 2014: 10.14 µg/m³ 2015: 8.34 µg/m³ 2016: 9.73 µg/m³ 2017: 8.69 µg/m³ 2018: 8.80 µg/m³ 2019: 8.24 µg/m³ 2020: 7.23 µg/m³ 2021: 6.97 µg/m³ 2022: 6.85 µg/m³ 2023: 5.84 µg/m³ 2024: 6.09 µg/m³
2011 2024
Since 2011 ↓ 43.8%
5 years ↓ 26.0%
10 years ↓ 39.9%
CURRENT MONITORING

Latest station measurement

UK-AIR
NO2 10.3 µg/m³
Provisional
Bath A4 Roadside Automatic Urban and Rural Monitoring Network (AURN); Non-Automatic Hydrocarbon Network; UK Urban NO2 Network · Urban Traffic Latest measurement: 2026-09-23 01:00:00+01

This is a measurement from an individual monitoring station and should not be interpreted as the current concentration across the whole council area.

HEALTH IMPACT

Particulate air pollution

4.6% of mortality attributable to particulate air pollution
2024 Not compared

This OHID measure estimates the mortality burden associated with particulate air pollution. It is a health-impact measure, not a pollution concentration.

Annual PM2.5 is Defra Pollution Climate Mapping data. Monitoring readings are station-specific UK-AIR measurements and may be provisional. Defra source