Northamptonshire population statistics

In 2024, there were 814k residents in Northamptonshire county with an average age of 40.4 years. Population density was 344 residents per square kilometer. Population grew by 27.8% since 2002 and population average age increased by 2.4 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	814k
Average age	40.4
Population density	344

Northamptonshire population density map

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

Northamptonshire population average age map

Population average age by LSOA (County) in 2018.

Northamptonshire population growth

Total population per year outlines headcount differences.

Northamptonshire 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.

Northamptonshire population pyramid by year

Northamptonshire population share by decade of age

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

Northamptonshire 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	159k	19.5%	18.3%
16-64	509k	62.6%	62.8%
65+	146k	17.9%	18.9%

Average Age in Northamptonshire county and Comparison to England & Wales
county	Average age in 2024
Northamptonshire	40.4
England & Wales	40.8

Northamptonshire population average age

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

Northamptonshire 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.