People and census

2021

200 km

100 km

Worked out by Open Index·ONS Census 2021·Scotland's Census 2022·NISRA Census 2021© OpenStreetMap

Population density

Worked out by Open Index from census population counts and the area of each place

Pick an area on the map, or search for one, to see how it compares.

Highest

Councils, 2021

Tower Hamlets15,696 per km²
Islington14,575 per km²
Hackney13,611 per km²
Lambeth11,848 per km²
Kensington and Chelsea11,820 per km²

Lowest

Na h-Eileanan Siar8 per km²
Highland9 per km²
Argyll and Bute12 per km²
Shetland Islands16 per km²
Orkney Islands22 per km²

UK population density map

People per square kilometre: the census population divided by the area inside the boundary. The latest figures are for 2021, down to output areas across the UK. Worked out by Open Index from census population counts and the area of each place.