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Overview

South East · Unitary authority

Windsor and Maidenhead

2026/27 view

Windsor and Maidenhead · ONS E06000040

Financial position as at 2026/27 Q1 quarter end

View sources
PEOPLE AND PLACE

Population and community profile

Latest official statistics
Population 158,943 2024
South East region 9,642,942
Windsor and Maidenhead represents 1.65% of the region's population
Five-year population change
+5,050 residents ↑ 3.3%
2019: 153,893 residents2020: 153,991 residents2021: 153,922 residents2022: 155,069 residents2023: 157,174 residents2024: 158,943 residents
Windsor and Maidenhead +3.3%
South East +4.9%
England +4.3%
Growth context

Windsor and Maidenhead's population grew over five years. Its change was 1.6 percentage points below the South East and 1.0 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

7.4 µg/m³

PM2.5 · 2,024

Human-related sources 6.9 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

45.0%
13.4 7.3
2011: 13.41 µg/m³ 2012: 11.98 µg/m³ 2013: 11.90 µg/m³ 2014: 11.35 µg/m³ 2015: 8.93 µg/m³ 2016: 10.96 µg/m³ 2017: 10.76 µg/m³ 2018: 10.80 µg/m³ 2019: 10.39 µg/m³ 2020: 8.41 µg/m³ 2021: 7.94 µg/m³ 2022: 8.86 µg/m³ 2023: 7.30 µg/m³ 2024: 7.38 µg/m³
2011 2024
Since 2011 ↓ 45.0%
5 years ↓ 29.0%
10 years ↓ 35.0%
CURRENT MONITORING

Latest station measurement

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

Particulate air pollution

5.5% 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