The map above shows Illinois and Saskatchewan side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Illinois vs Saskatchewan Geography
Land area: Illinois has a land area of 55,513 square miles (143,778 km²), while Saskatchewan has 228,445 square miles (591,670 km²). Saskatchewan's land area is 4.1 times (312%) larger than Illinois'.
Total area: Illinois: 57,913 square miles (149,995 km²) vs Saskatchewan: 251,366 square miles (651,036 km²), including inland and coastal water. Saskatchewan's total area is 4.3 times (334%) larger than Illinois'.
Length: Illinois is 390 miles (628 km) long from north to south; Saskatchewan is 796 miles (1,282 km). Saskatchewan's north-south length is 2.0 times (104%) longer than Illinois'.
Width: Illinois spans 283 miles (456 km) east to west; Saskatchewan spans 391 miles (630 km). Saskatchewan's east-west width is 1.4 times (38%) wider than Illinois'.
Highest point: Illinois's highest point is Charles Mound at 1,232 feet (376 m); Saskatchewan's is Cypress Hills at 4,567 feet (1,392 m). Cypress Hills is 3,335 feet higher than Charles Mound.
Lowest point: Illinois's lowest point is Mississippi River at 292 feet; Saskatchewan's is Lake Athabasca at 699 feet. Illinois's lowest point is 407 feet lower.
Illinois vs Saskatchewan Population and History
Population: Illinois has a population of 12,710,158 (2024), while Saskatchewan has 1,265,936 (2026). Illinois' population is 10.0 times larger than Saskatchewan's.
Population density: Illinois: 229.0 people per square mile vs Saskatchewan: 5.5. Illinois' population density is 41.6 times higher than Saskatchewan's.
Biggest city: Illinois's biggest city is Chicago with 2,721,308 people; Saskatchewan's is Saskatoon with 266,141. Chicago's population is 10.2 times larger than Saskatoon's.
Largest metro area: Illinois's largest metropolitan area is Chicago-Naperville-Elgin, IL-IN metro area (9,408,576 people) vs Saskatchewan's Saskatoon CMA (317,480). Chicago-Naperville-Elgin, IL-IN metro area's population is 29.6 times larger than Saskatoon CMA's.
History: Illinois: Admitted to the Union on December 3, 1818, as the 21st state. Saskatchewan: Joined Confederation on September 1, 1905. In its current form, Illinois is the older of the two by 87 years.
Illinois vs Saskatchewan Economy
GDP: Illinois's GDP is $1,148.1 billion (2024) vs Saskatchewan's $82.4 billion. Illinois' economic output is 13.9 times larger than Saskatchewan's.
GDP per capita: Illinois: $90,330 per person vs Saskatchewan: $66,019. Illinois' GDP per capita is 1.4 times (37%) higher than Saskatchewan's.
Official Websites
Illinois official website · Saskatchewan official website
More Size Comparisons
All Illinois size comparisons · All Saskatchewan 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.