The map above shows Illinois and Germany side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Illinois vs Germany Geography
Land area: Illinois has a land area of 55,513 square miles (143,778 km²), while Germany has 134,623 square miles (348,672 km²). Germany's land area is 2.4 times (143%) larger than Illinois'.
Total area: Illinois: 57,913 square miles (149,995 km²) vs Germany: 138,069 square miles (357,596 km²), including inland and coastal water. Germany's total area is 2.4 times (138%) larger than Illinois'.
Length: Illinois is 390 miles (628 km) long from north to south; Germany is 531 miles (854 km). Germany's north-south length is 1.4 times (36%) longer than Illinois'.
Width: Illinois spans 283 miles (456 km) east to west; Germany spans 397 miles (639 km). Germany's east-west width is 1.4 times (40%) wider than Illinois'.
Highest point: Illinois's highest point is Charles Mound at 1,232 feet (376 m); Germany's is Zugspitze at 9,718 feet (2,962 m). Zugspitze is 8,486 feet higher than Charles Mound.
Lowest point: Illinois's lowest point is Mississippi River at 292 feet; Germany's is Neuendorf-Sachsenbande at -13 feet. Germany's lowest point is 305 feet lower.
Illinois vs Germany Population and History
Population: Illinois has a population of 12,710,158 (2024), while Germany has 83,467,117 (2025). Germany's population is 6.6 times (557%) larger than Illinois'.
Population density: Illinois: 229.0 people per square mile vs Germany: 620.0. Germany's population density is 2.7 times (171%) higher than Illinois'.
Biggest city: Illinois's biggest city is Chicago with 2,721,308 people; Germany's is Berlin with 3,878,100. Berlin's population is 1.4 times (43%) larger than Chicago's.
Largest metro area: Illinois's largest metropolitan area is Chicago-Naperville-Elgin, IL-IN metro area (9,408,576 people) vs Germany's Berlin metropolitan region (6,200,000). Chicago-Naperville-Elgin, IL-IN metro area's population is 1.5 times (52%) larger than Berlin metropolitan region's.
History: Illinois: Admitted to the Union on December 3, 1818, as the 21st state. Germany: Unified on January 18, 1871; the current Federal Republic dates from 1949, reunified in 1990. In its current form, Illinois is the older of the two by 53 years.
Illinois vs Germany Economy
GDP: Illinois's GDP is $1,148.1 billion (2024) vs Germany's $5,050.9 billion. Germany's economic output is 4.4 times (340%) larger than Illinois'.
GDP per capita: Illinois: $90,330 per person vs Germany: $60,496. Illinois' GDP per capita is 1.5 times (49%) higher than Germany's.
Average income: Illinois: $74,522 vs Germany: $60,200 average income per person (per capita personal income). Illinois' average income is 1.2 times (24%) higher than Germany's.
Official Websites
Illinois official website · Germany official website
More Size Comparisons
All Illinois size comparisons · All Germany 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.