The map above shows Massachusetts and Wales side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Massachusetts vs Wales Geography
Land area: Massachusetts has a land area of 7,801 square miles (20,204 km²), while Wales has 8,023 square miles (20,779 km²). Massachusetts and Wales have about the same land area.
Total area: Massachusetts: 10,554 square miles (27,335 km²) vs Wales: 8,023 square miles (20,779 km²), including inland and coastal water. Massachusetts' total area is 1.3 times (32%) larger than Wales'.
Length: Massachusetts is 123 miles (198 km) long from north to south; Wales is 149 miles (239 km). Wales' north-south length is 1.2 times (21%) longer than Massachusetts'.
Width: Massachusetts spans 185 miles (297 km) east to west; Wales spans 111 miles (179 km). Massachusetts' east-west width is 1.7 times (67%) wider than Wales'.
Highest point: Massachusetts's highest point is Mount Greylock at 3,489 feet (1,063 m); Wales's is Snowdon (Yr Wyddfa) at 3,560 feet (1,085 m). Snowdon (Yr Wyddfa) is 71 feet higher than Mount Greylock.
Lowest point: Massachusetts'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.
Massachusetts vs Wales Population and History
Population: Massachusetts has a population of 7,136,171 (2024), while Wales has 3,105,000 (2022). Massachusetts' population is 2.3 times (130%) larger than Wales'.
Population density: Massachusetts: 914.8 people per square mile vs Wales: 387.0. Massachusetts' population density is 2.4 times (136%) higher than Wales'.
Biggest city: Massachusetts's biggest city is Boston with 673,458 people; Wales's is Cardiff with 372,089. Boston's population is 1.8 times (81%) larger than Cardiff's.
History: Massachusetts: Admitted to the Union on February 6, 1788, as the 6th 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.
Massachusetts vs Wales Economy
GDP: Massachusetts's GDP is $778.5 billion (2024) vs Wales's $89.5 billion. Massachusetts' economic output is 8.7 times (770%) larger than Wales'.
GDP per capita: Massachusetts: $109,095 per person vs Wales: $28,606. Massachusetts' GDP per capita is 3.8 times (281%) higher than Wales'.
Official Websites
Massachusetts official website · Wales official website
More Size Comparisons
All Massachusetts 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.