The map above shows Hawaii and Illinois side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Hawaii vs Illinois Geography
Land area: Hawaii has a land area of 6,423 square miles (16,634 km²), while Illinois has 55,513 square miles (143,778 km²). Illinois' land area is 8.6 times (764%) larger than Hawaii's.
Total area: Hawaii: 10,970 square miles (28,412 km²) vs Illinois: 57,913 square miles (149,995 km²), including inland and coastal water. Illinois' total area is 5.3 times (428%) larger than Hawaii's.
Length: Hawaii is 333 miles (536 km) long from north to south; Illinois is 390 miles (628 km). Illinois' north-south length is 1.2 times (17%) longer than Hawaii's.
Width: Hawaii spans 386 miles (621 km) east to west; Illinois spans 283 miles (456 km). Hawaii's east-west width is 1.4 times (36%) wider than Illinois'.
Highest point: Hawaii's highest point is Mauna Kea at 13,795 feet (4,205 m); Illinois's is Charles Mound at 1,232 feet (376 m). Mauna Kea is 12,563 feet higher than Charles Mound.
Lowest point: Hawaii's lowest point is Pacific Ocean at 0 feet; Illinois's is Mississippi River at 292 feet. Hawaii's lowest point is 292 feet lower.
Hawaii vs Illinois Population and History
Population: Hawaii has a population of 1,446,146 (2024), while Illinois has 12,710,158 (2024). Illinois' population is 8.8 times (779%) larger than Hawaii's.
Population density: Hawaii: 225.2 people per square mile vs Illinois: 229.0. Hawaii and Illinois have about the same population density.
Biggest city: Hawaii's biggest city is Honolulu with 344,967 people; Illinois's is Chicago with 2,721,308. Chicago's population is 7.9 times (689%) larger than Honolulu's.
Largest metro area: Hawaii's largest metropolitan area is Urban Honolulu, HI metro area (998,747 people) vs Illinois's Chicago-Naperville-Elgin, IL-IN metro area (9,408,576). Chicago-Naperville-Elgin, IL-IN metro area's population is 9.4 times (842%) larger than Urban Honolulu, HI metro area's.
History: Hawaii: Admitted to the Union on August 21, 1959, as the 50th state. Illinois: Admitted to the Union on December 3, 1818, as the 21st state. In its current form, Illinois is the older of the two by 141 years.
Hawaii vs Illinois Economy
GDP: Hawaii's GDP is $117.6 billion (2024) vs Illinois's $1,148.1 billion. Illinois' economic output is 9.8 times (876%) larger than Hawaii's.
GDP per capita: Hawaii: $81,339 per person vs Illinois: $90,330. Illinois' GDP per capita is 1.1 times (11%) higher than Hawaii's.
Average income: Hawaii: $71,019 vs Illinois: $74,522 average income per person (per capita personal income). Illinois' average income is 1.0 times (5%) higher than Hawaii's.
Hawaii vs Illinois Counties
Number of counties: Hawaii has 5 counties, while Illinois has 102. Illinois' county count is 20.4 times higher than Hawaii's.
Biggest county by area: Hawaii's largest county is Hawaii County at 4,028 square miles; Illinois's is McLean County at 1,183 square miles. Hawaii County's land area is 3.4 times (240%) larger than McLean County's.
Smallest county by area: Hawaii: Kalawao County (12 sq mi) vs Illinois: Putnam County (160 sq mi). Putnam County's land area is 13.3 times larger than Kalawao County's.
Most populous county: Hawaii: Honolulu County (998,747 people) vs Illinois: Cook County (5,182,617 people). Cook County's population is 5.2 times (419%) larger than Honolulu County's.
Least populous county: Hawaii: Kalawao County (81 people) vs Illinois: Hardin County (3,550 people). Hardin County's population is 43.8 times larger than Kalawao County's.
Richest county: Hawaii: Honolulu County ($74,681 per capita income) vs Illinois: Cumberland County ($104,890). Cumberland County's income is 1.4 times (40%) richer than Honolulu County's.
Poorest county: Hawaii: Hawaii County ($57,694 per capita income) vs Illinois: Lawrence County ($43,606). Hawaii County's income is 1.3 times (32%) richer than Lawrence County's.
Hawaii vs Illinois Taxes
State income tax: Hawaii has a top income tax rate of 11%, while Illinois has a top income tax rate of 4.95%. Hawaii's top rate is 6.05 percentage points higher.
Property tax: Hawaii: 0.27% effective rate vs Illinois: 1.92% of home value per year. Illinois's rate is 1.65 percentage points higher.
Sales tax: Hawaii: 4.5% combined state and average local rate vs Illinois: 8.98%. Illinois's combined rate is 4.48 percentage points higher.
Official Websites
Hawaii official website · Illinois official website
More Size Comparisons
All Hawaii size comparisons · All Illinois 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.