Northamptonshire population statistics

In 2024, there were 814k residents in Northamptonshire with an average age of 40.4 years. Population density was 344 residents/km². 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, 2024	Northamptonshire county	England + Wales
Total residents	814k	1.3% of Eng+Wls
Average age	40.4	40.8
Population density	344	409

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.

Total annual population in Northamptonshire county and Compound Annual Growth Rate (CAGR) compared to England and Wales
Year	Total population	CAGR	CAGR ENG+WLS
2024	814k	1.12%	0.74%
2023	805k	1.12%	0.72%
2022	793k	1.10%	0.68%
2021	787k	1.12%	0.66%
2020	779k	1.13%	0.68%
2019	777k	1.18%	0.71%
2018	769k	1.19%	0.72%
2017	759k	1.18%	0.73%
2016	747k	1.14%	0.75%
2015	733k	1.09%	0.74%
2014	722k	1.05%	0.74%
2013	712k	1.01%	0.73%
2012	703k	1.00%	0.73%
2011	694k	0.96%	0.73%
2010	688k	0.97%	0.72%
2009	684k	1.02%	0.70%
2008	678k	1.06%	0.70%
2007	672k	1.08%	0.67%
2006	664k	1.04%	0.63%
2005	655k	0.92%	0.61%
2004	647k	0.77%	0.52%
2003	643k	0.92%	0.50%
2002	637k	-	-

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%

Northamptonshire average age rank

Comparison of counties average ages, 2024 population estimates.

Northamptonshire average age rank by year

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.

Population average age by year
Year	Northamptonshire county	England and Wales
2024	40.4	40.8
2023	40.3	40.7
2022	40.3	40.7
2021	40.2	40.7
2020	40.1	40.5
2019	39.9	40.4
2018	39.7	40.2
2017	39.6	40.1
2016	39.6	39.9
2015	39.5	39.8
2014	39.4	39.7
2013	39.3	39.6
2012	39.2	39.5
2011	39.1	39.4
2010	39.0	39.3
2009	38.8	39.2
2008	38.7	39.2
2007	38.5	39.1
2006	38.5	39.0
2005	38.4	39.0
2004	38.3	38.9
2003	38.2	38.8
2002	38.0	38.7

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.