United Kingdom
Urban centre from 2040
Explore the population, density, built-up land and growth of Letchworth’s urban footprint, as defined by GHSL, from 1975 to 2100 (projected after 2025).
Figures for 2040 (not an urban centre in 2025)
- Population
- 48,000
- Density
- 2,824 people/km²
- 26% of the boundary built; 11,034 people per built km²
- Area
- 17 km²
GHS-WUP R2025A on the H3 grid. The interactive charts show the selected year once loaded.