The map above shows Colorado and United Kingdom side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Colorado vs United Kingdom Geography
Land area
- Colorado has a land area of 103,637 square miles (268,419 km²), while United Kingdom has 93,410 square miles (241,930 km²).
- Colorado's land area is 1.1 times (11%) larger than United Kingdom's.
Total area
- Colorado: 104,095 square miles (269,605 km²) vs United Kingdom: 94,058 square miles (243,610 km²), including inland and coastal water.
- Colorado's total area is 1.1 times (11%) larger than United Kingdom's.
Length
- Colorado is 467 miles (751 km) long from north to south; United Kingdom is 747 miles (1,202 km).
- United Kingdom's north-south length is 1.6 times (60%) longer than Colorado's.
Width
- Colorado spans 387 miles (622 km) east to west; United Kingdom spans 429 miles (690 km).
- United Kingdom's east-west width is 1.1 times (11%) wider than Colorado's.
Highest point
- Colorado's highest point is Mount Elbert at 14,422 feet (4,396 m); United Kingdom's is Ben Nevis at 4,413 feet (1,345 m).
- Mount Elbert is 10,009 feet higher than Ben Nevis.
Lowest point
- Colorado's lowest point is Arikaree River at 3,326 feet; United Kingdom's is The Fens (Holme Fen) at -10 feet.
- United Kingdom's lowest point is 3,336 feet lower.
Colorado vs United Kingdom Population and History
Population
- Colorado has a population of 5,957,493 (2024), while United Kingdom has 69,487,000 (2025).
- United Kingdom's population is 11.7 times larger than Colorado's.
Population density
- Colorado: 57.5 people per square mile vs United Kingdom: 743.9.
- United Kingdom's population density is 12.9 times higher than Colorado's.
Biggest city
- Colorado's biggest city is Denver with 729,019 people; United Kingdom's is London with 8,825,001.
- London's population is 12.1 times larger than Denver's.
Largest metro area
- Colorado's largest metropolitan area is Denver-Aurora-Centennial, CO metro area (3,052,498 people) vs United Kingdom's London (10,416,420).
- London's population is 3.4 times (241%) larger than Denver-Aurora-Centennial, CO metro area's.
History
- Colorado: Admitted to the Union on August 1, 1876, as the 38th state.
- United Kingdom: Formed as the United Kingdom of Great Britain and Ireland on January 1, 1801; took its current form in 1922.
- In its current form, United Kingdom is the older of the two by 75 years.
Colorado vs United Kingdom Economy
GDP
- Colorado's GDP is $557.6 billion (2024) vs United Kingdom's $4,002.6 billion.
- United Kingdom's economic output is 7.2 times (618%) larger than Colorado's.
GDP per capita
- Colorado: $93,602 per person vs United Kingdom: $57,602.
- Colorado's GDP per capita is 1.6 times (62%) higher than United Kingdom's.
Average income
- Colorado: $83,055 vs United Kingdom: $54,550 average income per person (per capita personal income).
- Colorado's average income is 1.5 times (52%) higher than United Kingdom's.
Official Websites
Colorado official website · United Kingdom official website
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More Size Comparisons
All Colorado size comparisons · All United Kingdom 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.