The map above shows Ohio and United Kingdom side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Ohio vs United Kingdom Geography
Land area
- Ohio has a land area of 40,859 square miles (105,824 km²), while United Kingdom has 93,410 square miles (241,930 km²).
- United Kingdom's land area is 2.3 times (129%) larger than Ohio's.
Total area
- Ohio: 44,826 square miles (116,098 km²) vs United Kingdom: 94,058 square miles (243,610 km²), including inland and coastal water.
- United Kingdom's total area is 2.1 times (110%) larger than Ohio's.
Length
- Ohio is 291 miles (468 km) long from north to south; United Kingdom is 747 miles (1,202 km).
- United Kingdom's north-south length is 2.6 times (157%) longer than Ohio's.
Width
- Ohio spans 317 miles (510 km) east to west; United Kingdom spans 429 miles (690 km).
- United Kingdom's east-west width is 1.4 times (35%) wider than Ohio's.
Highest point
- Ohio's highest point is Campbell Hill at 1,547 feet (472 m); United Kingdom's is Ben Nevis at 4,413 feet (1,345 m).
- Ben Nevis is 2,866 feet higher than Campbell Hill.
Lowest point
- Ohio's lowest point is Ohio River at 455 feet; United Kingdom's is The Fens (Holme Fen) at -10 feet.
- United Kingdom's lowest point is 465 feet lower.
Ohio vs United Kingdom Population and History
Population
- Ohio has a population of 11,883,304 (2024), while United Kingdom has 69,487,000 (2025).
- United Kingdom's population is 5.8 times (485%) larger than Ohio's.
Population density
- Ohio: 290.8 people per square mile vs United Kingdom: 743.9.
- United Kingdom's population density is 2.6 times (156%) higher than Ohio's.
Biggest city
- Ohio's biggest city is Columbus with 933,263 people; United Kingdom's is London with 8,825,001.
- London's population is 9.5 times (846%) larger than Columbus'.
Largest metro area
- Ohio's largest metropolitan area is Cincinnati, OH-KY-IN metro area (2,302,815 people) vs United Kingdom's London (10,416,420).
- London's population is 4.5 times (352%) larger than Cincinnati, OH-KY-IN metro area's.
History
- Ohio: Admitted to the Union on March 1, 1803, as the 17th 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 2 years.
Ohio vs United Kingdom Economy
GDP
- Ohio's GDP is $923.1 billion (2024) vs United Kingdom's $4,002.6 billion.
- United Kingdom's economic output is 4.3 times (334%) larger than Ohio's.
GDP per capita
- Ohio: $77,684 per person vs United Kingdom: $57,602.
- Ohio's GDP per capita is 1.3 times (35%) higher than United Kingdom's.
Average income
- Ohio: $64,464 vs United Kingdom: $54,550 average income per person (per capita personal income).
- Ohio's average income is 1.2 times (18%) higher than United Kingdom's.
Official Websites
Ohio official website · United Kingdom official website
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More Size Comparisons
All Ohio 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.