The map above shows Maryland and Wales side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Maryland vs Wales Geography
Land area: Maryland has a land area of 9,711 square miles (25,151 km²), while Wales has 8,023 square miles (20,779 km²). Maryland's land area is 1.2 times (21%) larger than Wales'.
Total area: Maryland: 12,406 square miles (32,131 km²) vs Wales: 8,023 square miles (20,779 km²), including inland and coastal water. Maryland's total area is 1.5 times (55%) larger than Wales'.
Length: Maryland is 231 miles (371 km) long from north to south; Wales is 149 miles (239 km). Maryland's north-south length is 1.6 times (55%) longer than Wales'.
Width: Maryland spans 243 miles (391 km) east to west; Wales spans 111 miles (179 km). Maryland's east-west width is 2.2 times (119%) wider than Wales'.
Highest point: Maryland's highest point is Hoye-Crest at 3,362 feet (1,025 m); Wales's is Snowdon (Yr Wyddfa) at 3,560 feet (1,085 m). Snowdon (Yr Wyddfa) is 198 feet higher than Hoye-Crest.
Lowest point: Maryland's lowest point is Atlantic Ocean at 0 feet; Wales's is Irish Sea at 0 feet. Both lowest points are at or near sea level.
Maryland vs Wales Population and History
Population: Maryland has a population of 6,263,220 (2024), while Wales has 3,105,000 (2022). Maryland's population is 2.0 times (102%) larger than Wales'.
Population density: Maryland: 645.0 people per square mile vs Wales: 387.0. Maryland's population density is 1.7 times (67%) higher than Wales'.
Biggest city: Maryland's biggest city is Baltimore with 568,271 people; Wales's is Cardiff with 372,089. Baltimore's population is 1.5 times (53%) larger than Cardiff's.
History: Maryland: Admitted to the Union on April 28, 1788, as the 7th state. Wales: A country within the United Kingdom; formally joined with England by the Laws in Wales Acts of 1536. In its current form, Wales is the older of the two by 252 years.
Maryland vs Wales Economy
GDP: Maryland's GDP is $546.0 billion (2024) vs Wales's $89.5 billion. Maryland's economic output is 6.1 times (510%) larger than Wales'.
GDP per capita: Maryland: $87,180 per person vs Wales: $28,606. Maryland's GDP per capita is 3.0 times (205%) higher than Wales'.
Official Websites
Maryland official website · Wales official website
More Size Comparisons
All Maryland size comparisons · All Wales size comparisons
Area, elevation and boundary figures come from official national statistics and US Census Bureau and Natural Earth boundary data; US state population, economic, county and tax figures come from the US Census Bureau, the Bureau of Economic Analysis and the Tax Foundation. Figures are rounded and for general reference.