Chelmsford population statistics

In 2024, there were 726k residents in Chelmsford postcode area with an average age of 41.4 years. Population density was 414 residents per square kilometer. Population grew by 20.6% since 2002 and population average age increased by 2.5 years in the same period.

Key Population Data: Residents, Age and Density in 2024 (latest estimate from ONS)
Population Estimates	Value in 2024
Total residents	726k
Average age	41.4
Population density	414

Chelmsford population density map

shows a number of residents per square kilometer(km²), estimates from 2020.

Chelmsford population average age map

Population average age by LSOA (County) in 2018.

Chelmsford population growth

Total population per year outlines headcount differences.

Chelmsford population pyramid

shows the distribution of various age groups in a population in 2024. Females are shown on the left, males are shown on the right.

Chelmsford population pyramid by year

Chelmsford population share by decade of age

Shares of population age groups compared to corresponding shares of population groups in England & Wales, 2024.

Chelmsford working age population share

Working age population share compared to working age population share in England & Wales, 2024.

Age Distribution and Comparison to England & Wales
age group	head-count	% share of population	% for Eng & Wales
0-15	138k	19.1%	18.3%
16-64	445k	61.3%	62.8%
65+	142k	19.6%	18.9%

Average Age in Chelmsford postcode area and Comparison to England & Wales
postcode area	Average age in 2024
Chelmsford	41.4
England & Wales	40.8

Chelmsford population average age

Annual area statistics of Chelmsford's population average age compared to country statistics.

Chelmsford residential areas map

Purple-colored areas are business or industrial areas. Green-colored areas provide quieter surroundings and better living. Map is based on a UK Census 2011 data. Colors calculated from the ratio of number of residents divided by a number of workday people.