Census population profiles, 1981 to 2021

Hertfordshire

Hertfordshire (E10000015) is a county in East of England. The county's population of 1,198,800 at the time of the 2021 census made it the 6th largest in England. Hertfordshire saw a population increase of 7.4% from 2011.

Demographic data for Hertfordshire

Population

1,198,800
people in 2021
6th largest of 24 counties in England

10 year change

+7.4%
more people than 2011
12th largest increase of 24 counties in England

Change since 1981

  • Hertfordshire
  • England and Wales
+26%
1981
2021

Density

730
people per square km
1st densest of 24 counties in England

Age profile

  • Hertfordshire
  • England and Wales
0 years
85+

Sex

  • Hertfordshire
  • England and Wales
Female 51%51%
Male 49%49%

Explore related areas