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Overview

London · London borough

Barnet

2026/27 view

Barnet · ONS E09000003

Financial position as at 2026/27 Q1 quarter end

View sources
PEOPLE AND PLACE

Population and community profile

Latest official statistics
Population 405,050 2024
London region 9,089,736
Barnet represents 4.46% of the region's population
Five-year population change
+14,460 residents ↑ 3.7%
2019: 390,590 residents2020: 391,046 residents2021: 388,955 residents2022: 390,371 residents2023: 398,191 residents2024: 405,050 residents
Barnet +3.7%
London +2.2%
England +4.3%
Growth context

Barnet's population grew over five years. Its change was 1.5 percentage points above the London and 0.5 percentage points below 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

8.5 µg/m³

PM2.5 · 2,024

Human-related sources 8.0 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

43.9%
15.2 8.1
2011: 15.23 µg/m³ 2012: 13.58 µg/m³ 2013: 13.67 µg/m³ 2014: 13.21 µg/m³ 2015: 10.66 µg/m³ 2016: 11.33 µg/m³ 2017: 11.79 µg/m³ 2018: 11.73 µg/m³ 2019: 11.71 µg/m³ 2020: 8.87 µg/m³ 2021: 8.57 µg/m³ 2022: 9.67 µg/m³ 2023: 8.09 µg/m³ 2024: 8.54 µg/m³
2011 2024
Since 2011 ↓ 43.9%
5 years ↓ 27.1%
10 years ↓ 35.4%
CURRENT MONITORING

Latest station measurement

UK-AIR
No active UK-AIR monitoring station is currently mapped to this council.
HEALTH IMPACT

Particulate air pollution

6.4% 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