The map above shows Illinois and Wales side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Illinois vs Wales Geography
Land area
- Illinois has a land area of 55,513 square miles (143,778 km²), while Wales has 8,023 square miles (20,779 km²).
- Illinois' land area is 6.9 times (592%) larger than Wales'.
Total area
- Illinois: 57,913 square miles (149,995 km²) vs Wales: 8,023 square miles (20,779 km²), including inland and coastal water.
- Illinois' total area is 7.2 times (622%) larger than Wales'.
Length
- Illinois is 390 miles (628 km) long from north to south; Wales is 149 miles (239 km).
- Illinois' north-south length is 2.6 times (162%) longer than Wales'.
Width
- Illinois spans 283 miles (456 km) east to west; Wales spans 111 miles (179 km).
- Illinois' east-west width is 2.5 times (155%) wider than Wales'.
Highest point
- Illinois's highest point is Charles Mound at 1,232 feet (376 m); Wales's is Snowdon (Yr Wyddfa) at 3,560 feet (1,085 m).
- Snowdon (Yr Wyddfa) is 2,328 feet higher than Charles Mound.
Lowest point
- Illinois's lowest point is Mississippi River at 292 feet; Wales's is Irish Sea at 0 feet.
- Wales's lowest point is 292 feet lower.
Illinois vs Wales Population and History
Population
- Illinois has a population of 12,710,158 (2024), while Wales has 3,105,000 (2022).
- Illinois' population is 4.1 times (309%) larger than Wales'.
Population density
- Illinois: 229.0 people per square mile vs Wales: 387.0.
- Wales' population density is 1.7 times (69%) higher than Illinois'.
Biggest city
- Illinois's biggest city is Chicago with 2,721,308 people; Wales's is Cardiff with 372,089.
- Chicago's population is 7.3 times (631%) larger than Cardiff's.
History
- Illinois: Admitted to the Union on December 3, 1818, as the 21st 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 282 years.
Illinois vs Wales Economy
GDP
- Illinois's GDP is $1,148.1 billion (2024) vs Wales's $89.5 billion.
- Illinois' economic output is 12.8 times larger than Wales'.
GDP per capita
- Illinois: $90,330 per person vs Wales: $28,606.
- Illinois' GDP per capita is 3.2 times (216%) higher than Wales'.
Official Websites
Illinois official website · Wales official website
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More Size Comparisons
All Illinois 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.