Information about Colchester

Avg Annual Income
Full Time Employees
Average Age
Colchester Demographics
(from Census 2021)

The population of Colchester is 192,716 compared to England, which has a population of 59,597,542. While the male population in Colchester is 98,448, and the female population is 94,267. In England, the male population is 28,833,712 and the female population is 27,656,336, according to the 2021 census.

Ethnicity & Religion

According to the latest 2021 census, The main ethnicity of the people in the immediate area is White: English, with a total of 155,488, followed by White: Other White, with a total of 10,602. As compared to the population in England, the main ethnicities were White: English(41,540,791) followed by Asian: Indian(1,843,248) and Asian: Pakistani(1,570,285). In terms of religion, most people mentioned Christian (85,605), followed by No religion (85,484), whereas, in England, the main religion was Christian(26,167,899), Muslim(3,801,186), and Hindu(1,020,533). While 20,715,664 mentioned 'No Religion' and 3,400,548 did not answer


As for deprivation, most of the area is not deprived in any dimension (40,941), followed by at least deprived in one dimension (26,500). While in England, 11,349,743 households are not deprived in any dimension, and 7,842,690 households are deprived in one dimension.

Economic Status

Most people in the Colchester area mentioned they are Employee: Full-time (53,967), while 32,844 adults mentioned they are Retired.


Regarding education, 50,401 adults have Level 3 education, while 23,196 have Level 1 and entry level education. The most common occupations in the Colchester area are

  • Professional occupations (18906)
  • Associate professional and technical occupations (13059), and
  • Managers, directors and senior officials (11921)


The average age of people living in Colchester is 41 years old. The top three age distributions are: Below 14 (34238), Between 25 to 34 (26084), and Between 35 to 44 (25483). The median age in England and Wales was 40 years as per the 2021 census.


The NS-SEC defines and measures social class and is considered a reliable indicator of a person's class status. As per the 2021 census, most of the population in Colchester has Lower managerial, administrative and professional occupations (33,719) followed by Higher managerial, administrative and professional occupations (20,691), and Semi-routine occupations (18,530). In England, Most of the population(9,172,372) have Lower managerial, administrative and professional occupations, followed by Higher managerial, administrative and professional occupations(6,092,791)

Map of Colchester

Our interactive map lets you explore local insights. Click on any postcode area in the Map to dive deeper into information about demographics, schools, crime trends, house prices and more!

Age | Colchester
Ethinicity | Colchester
Deprivation | Colchester
Education | Colchester
Occupation | Colchester
Religion | Colchester

Population of Colchester over the years

Male Population of Colchester over the years
Female Population of Colchester over the years
Postcodes in Colchester

The postcode district CM, CO are associated with the Colchester, and there are total 9 postcode areas (listed below). The Colchester has a total of 5301 postcodes overall.

ONS Administrative Info of Colchester





Lexden and Braiswick

Marks Tey and Layer

Mersea and Pyefleet

Mile End

New Town and Christ Church

Old Heath and The Hythe


Rural North

Shrub End

St Anne's and St John's




RegionEast of England