Information about Three Rivers

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

The population of Three Rivers is 93,772 compared to England, which has a population of 59,597,542. While the male population in Three Rivers is 48,121, and the female population is 45,650. 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 63,706, followed by Indian, with a total of 10,166. 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 (44,655), followed by No religion (28,922), 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 (20,394), followed by at least deprived in one dimension (11,586). 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 Three Rivers area mentioned they are Employee: Full-time (27,536), while 15,494 adults mentioned they are Retired.


Regarding education, 32,023 adults have Level 3 education, while 9,838 have Level 1 and entry level education. The most common occupations in the Three Rivers area are

  • Professional occupations (11673)
  • Managers, directors and senior officials (8784), and
  • Associate professional and technical occupations (6916)


The average age of people living in Three Rivers is 42 years old. The top three age distributions are: Below 14 (17551), Between 45 to 54 (13852), and Between 35 to 44 (13194). 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 Three Rivers has Lower managerial, administrative and professional occupations (17,947) followed by Higher managerial, administrative and professional occupations (14,801), and Small employers and own account workers (9,640). 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 Three Rivers

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!


Population of Three Rivers over the years

Male Population of Three Rivers over the years
Female Population of Three Rivers over the years
Postcodes in Three Rivers

The postcode district WD, HP, HA are associated with the Three Rivers, and there are total 10 postcode areas (listed below). The Three Rivers has a total of 3668 postcodes overall.

ONS Administrative Info
AreaThree Rivers

Abbots Langley & Bedmond

Carpenders Park

Chorleywood North & Sarratt

Chorleywood South & Maple Cross



Gade Valley


Moor Park & Eastbury

Oxhey Hall & Hayling

Penn & Mill End

Rickmansworth Town

South Oxhey

RegionEast of England