The map above shows Illinois and Rhode Island side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Illinois vs Rhode Island Geography
Land area
- Illinois has a land area of 55,513 square miles (143,778 km²), while Rhode Island has 1,034 square miles (2,678 km²).
- Illinois' land area is 53.7 times larger than Rhode Island's.
Total area
- Illinois: 57,913 square miles (149,995 km²) vs Rhode Island: 1,545 square miles (4,002 km²), including inland and coastal water.
- Illinois' total area is 37.5 times larger than Rhode Island's.
Length
- Illinois is 390 miles (628 km) long from north to south; Rhode Island is 61 miles (98 km).
- Illinois' north-south length is 6.4 times (539%) longer than Rhode Island's.
Width
- Illinois spans 283 miles (456 km) east to west; Rhode Island spans 42 miles (67 km).
- Illinois' east-west width is 6.7 times (574%) wider than Rhode Island's.
Highest point
- Illinois's highest point is Charles Mound at 1,232 feet (376 m); Rhode Island's is Jerimoth Hill at 811 feet (247 m).
- Charles Mound is 421 feet higher than Jerimoth Hill.
Lowest point
- Illinois's lowest point is Mississippi River at 292 feet; Rhode Island's is Atlantic Ocean at 0 feet.
- Rhode Island's lowest point is 292 feet lower.
Illinois vs Rhode Island Population and History
Population
- Illinois has a population of 12,710,158 (2024), while Rhode Island has 1,112,308 (2024).
- Illinois' population is 11.4 times larger than Rhode Island's.
Population density
- Illinois: 229.0 people per square mile vs Rhode Island: 1,075.8.
- Rhode Island's population density is 4.7 times (370%) higher than Illinois'.
Biggest city
- Illinois's biggest city is Chicago with 2,721,308 people; Rhode Island's is Providence with 194,706.
- Chicago's population is 14.0 times larger than Providence's.
Largest metro area
- Illinois's largest metropolitan area is Chicago-Naperville-Elgin, IL-IN metro area (9,408,576 people) vs Rhode Island's Providence-Warwick, RI-MA metro area (1,700,901).
- Chicago-Naperville-Elgin, IL-IN metro area's population is 5.5 times (453%) larger than Providence-Warwick, RI-MA metro area's.
History
- Illinois: Admitted to the Union on December 3, 1818, as the 21st state.
- Rhode Island: Admitted to the Union on May 29, 1790, as the 13th state.
- In its current form, Rhode Island is the older of the two by 28 years.
Illinois vs Rhode Island Economy
GDP
- Illinois's GDP is $1,148.1 billion (2024) vs Rhode Island's $80.4 billion.
- Illinois' economic output is 14.3 times larger than Rhode Island's.
GDP per capita
- Illinois: $90,330 per person vs Rhode Island: $72,265.
- Illinois' GDP per capita is 1.2 times (25%) higher than Rhode Island's.
Average income
- Illinois: $74,522 vs Rhode Island: $70,622 average income per person (per capita personal income).
- Illinois' average income is 1.1 times (6%) higher than Rhode Island's.
Illinois vs Rhode Island Counties
Number of counties
- Illinois has 102 counties, while Rhode Island has 5.
- Illinois' county count is 20.4 times higher than Rhode Island's.
Biggest county by area
- Illinois's largest county is McLean County at 1,183 square miles; Rhode Island's is Providence County at 410 square miles.
- McLean County's land area is 2.9 times (189%) larger than Providence County's.
Smallest county by area
- Illinois: Putnam County (160 sq mi) vs Rhode Island: Bristol County (24 sq mi).
- Putnam County's land area is 6.6 times (564%) larger than Bristol County's.
Most populous county
- Illinois: Cook County (5,182,617 people) vs Rhode Island: Providence County (675,912 people).
- Cook County's population is 7.7 times (667%) larger than Providence County's.
Least populous county
- Illinois: Hardin County (3,550 people) vs Rhode Island: Bristol County (50,145 people).
- Bristol County's population is 14.1 times larger than Hardin County's.
Richest county
- Illinois: Cumberland County ($104,890 per capita income) vs Rhode Island: Bristol County ($99,923).
- Cumberland County's income is 1.0 times (5%) richer than Bristol County's.
Poorest county
- Illinois: Lawrence County ($43,606 per capita income) vs Rhode Island: Providence County ($61,040).
- Providence County's income is 1.4 times (40%) richer than Lawrence County's.
Illinois vs Rhode Island Taxes
State income tax
- Illinois has a top income tax rate of 4.95%, while Rhode Island has a top income tax rate of 5.99%.
- Rhode Island's top rate is 1.04 percentage points higher.
Property tax
- Illinois: 1.92% effective rate vs Rhode Island: 1.07% of home value per year.
- Illinois's rate is 0.85 percentage points higher.
Sales tax
- Illinois: 8.98% combined state and average local rate vs Rhode Island: 7%.
- Illinois's combined rate is 1.98 percentage points higher.
Official Websites
Illinois official website · Rhode Island official website
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More Size Comparisons
All Illinois size comparisons · All Rhode Island 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.