The map above shows District of Columbia and Wales side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
District of Columbia vs Wales Geography
Land area: District of Columbia has a land area of 61 square miles (158 km²), while Wales has 8,023 square miles (20,779 km²). Wales' land area is 131.5 times larger than District of Columbia's.
Total area: District of Columbia: 68 square miles (177 km²) vs Wales: 8,023 square miles (20,779 km²), including inland and coastal water. Wales' total area is 117.4 times larger than District of Columbia's.
Length: District of Columbia is 13 miles (22 km) long from north to south; Wales is 149 miles (239 km). Wales' north-south length is 11.5 times longer than District of Columbia's.
Width: District of Columbia spans 12 miles (19 km) east to west; Wales spans 111 miles (179 km). Wales' east-west width is 9.3 times (825%) wider than District of Columbia's.
Highest point: District of Columbia's highest point is Fort Reno at 429 feet (131 m); Wales's is Snowdon (Yr Wyddfa) at 3,560 feet (1,085 m). Snowdon (Yr Wyddfa) is 3,131 feet higher than Fort Reno.
Lowest point: District of Columbia's lowest point is Potomac River at 0 feet; Wales's is Irish Sea at 0 feet. Both lowest points are at or near sea level.
District of Columbia vs Wales Population and History
Population: District of Columbia has a population of 702,250 (2024), while Wales has 3,105,000 (2022). Wales' population is 4.4 times (342%) larger than District of Columbia's.
Population density: District of Columbia: 11,493.5 people per square mile vs Wales: 387.0. District of Columbia's population density is 29.7 times higher than Wales'.
Biggest city: District of Columbia's biggest city is Washington with 702,250 people; Wales's is Cardiff with 372,089. Washington's population is 1.9 times (89%) larger than Cardiff's.
History: District of Columbia: The federal district, established by the Residence Act on July 16, 1790; not a 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 254 years.
District of Columbia vs Wales Economy
GDP: District of Columbia's GDP is $184.3 billion (2024) vs Wales's $89.5 billion. District of Columbia's economic output is 2.1 times (106%) larger than Wales'.
GDP per capita: District of Columbia: $262,439 per person vs Wales: $28,606. District of Columbia's GDP per capita is 9.2 times (817%) higher than Wales'.
Official Websites
District of Columbia official website · Wales official website
More Size Comparisons
All District of Columbia 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.