U.S. state profile · MD
Maryland: area, population and density
Maryland has 9,711 sq mi of land and a 2025 population estimate of 6,265,347; calculated population density is 249 people/km².
Sources: U.S. Census Bureau Gazetteer Files · 2026 · U.S. Census Bureau Population Estimates Program · 2025.
Maryland ranks 42nd of 51 by land area, 19th by population and 6th by calculated population density among the U.S. states and DC. Density uses the displayed population divided by land area converted to square kilometres.
- Land area
- 9,711 sq miU.S. Census Bureau Gazetteer Files · 2026
- Population
- 6,265,347U.S. Census Bureau Population Estimates Program · 2025
- Calculated density
- 249 people/km²Population ÷ land area in km²
Reading the figures
Maryland in the U.S. comparison set
Maryland has 9,711 sq mi of land area and a population estimate of 6,265,347 for 2025. In the 51-place state and DC set, it is 42nd by land area, 19th by population, and 6th by calculated density.
Density is not a separately reported value here. It is calculated from the population and land area above, converted to square kilometres, so the result can be compared with supported country figures.
U.S. boundary outline: Census TIGER/Line 2025. The drawing is fitted to this profile panel; use a comparison page for a shared-area scale.