East of England · Non-metropolitan district

Hertsmere

2026/27 view

Hertsmere · ONS E07000098

Financial position as at 2026/27 Q1 quarter end

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PEOPLE AND PLACE

Population and community profile

Latest official statistics

Population 110,212 2024

East of England region 6,576,306

Five-year population change

+2,978 residents ↑ 2.8%

Hertsmere +2.8%

East of England +4.8%

England +4.3%

Growth context

Hertsmere's population grew over five years. Its change was 2.0 percentage points below the East of England and 1.5 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.

POPULATION-WEIGHTED ANNUAL MEAN

Fine particulate matter

No annual PM2.5 estimate is currently available.

LONG-TERM TREND

PM2.5 over time

Not enough annual data is available to show a trend.

CURRENT MONITORING

Latest station measurement

UK-AIR

A UK-AIR monitoring station is recorded for this council, but no current core-pollutant observation is available.

HEALTH IMPACT

Particulate air pollution

No current OHID particulate-air-pollution mortality estimate is available.

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