The map above shows Florida and Illinois side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Florida vs Illinois Geography
Land area
- Florida has a land area of 53,655 square miles (138,965 km²), while Illinois has 55,513 square miles (143,778 km²).
- Florida and Illinois have about the same land area.
Total area
- Florida: 71,404 square miles (184,934 km²) vs Illinois: 57,913 square miles (149,995 km²), including inland and coastal water.
- Florida's total area is 1.2 times (23%) larger than Illinois'.
Length
- Florida is 471 miles (758 km) long from north to south; Illinois is 390 miles (628 km).
- Florida's north-south length is 1.2 times (21%) longer than Illinois'.
Width
- Florida spans 547 miles (880 km) east to west; Illinois spans 283 miles (456 km).
- Florida's east-west width is 1.9 times (93%) wider than Illinois'.
Highest point
- Florida's highest point is Britton Hill at 344 feet (105 m); Illinois's is Charles Mound at 1,232 feet (376 m).
- Charles Mound is 888 feet higher than Britton Hill.
Lowest point
- Florida's lowest point is Atlantic Ocean at 0 feet; Illinois's is Mississippi River at 292 feet.
- Florida's lowest point is 292 feet lower.
Florida vs Illinois Population and History
Population
- Florida has a population of 23,372,215 (2024), while Illinois has 12,710,158 (2024).
- Florida's population is 1.8 times (84%) larger than Illinois'.
Population density
- Florida: 435.6 people per square mile vs Illinois: 229.0.
- Florida's population density is 1.9 times (90%) higher than Illinois'.
Biggest city
- Florida's biggest city is Jacksonville with 1,009,833 people; Illinois's is Chicago with 2,721,308.
- Chicago's population is 2.7 times (169%) larger than Jacksonville's.
Largest metro area
- Florida's largest metropolitan area is Miami-Fort Lauderdale-West Palm Beach, FL metro area (6,457,988 people) vs Illinois's Chicago-Naperville-Elgin, IL-IN metro area (9,408,576).
- Chicago-Naperville-Elgin, IL-IN metro area's population is 1.5 times (46%) larger than Miami-Fort Lauderdale-West Palm Beach, FL metro area's.
History
- Florida: Admitted to the Union on March 3, 1845, as the 27th 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 27 years.
Florida vs Illinois Economy
GDP
- Florida's GDP is $1,726.7 billion (2024) vs Illinois's $1,148.1 billion.
- Florida's economic output is 1.5 times (50%) larger than Illinois'.
GDP per capita
- Florida: $73,879 per person vs Illinois: $90,330.
- Illinois' GDP per capita is 1.2 times (22%) higher than Florida's.
Average income
- Florida: $73,006 vs Illinois: $74,522 average income per person (per capita personal income).
- Florida and Illinois have about the same average income.
Florida vs Illinois Counties
Number of counties
- Florida has 67 counties, while Illinois has 102.
- Illinois' county count is 1.5 times (52%) higher than Florida's.
Biggest county by area
- Florida's largest county is Collier County at 1,997 square miles; Illinois's is McLean County at 1,183 square miles.
- Collier County's land area is 1.7 times (69%) larger than McLean County's.
Smallest county by area
- Florida: Union County (244 sq mi) vs Illinois: Putnam County (160 sq mi).
- Union County's land area is 1.5 times (52%) larger than Putnam County's.
Most populous county
- Florida: Miami-Dade County (2,838,461 people) vs Illinois: Cook County (5,182,617 people).
- Cook County's population is 1.8 times (83%) larger than Miami-Dade County's.
Least populous county
- Florida: Liberty County (7,955 people) vs Illinois: Hardin County (3,550 people).
- Liberty County's population is 2.2 times (124%) larger than Hardin County's.
Richest county
- Florida: Collier County ($150,140 per capita income) vs Illinois: Cumberland County ($104,890).
- Collier County's income is 1.4 times (43%) richer than Cumberland County's.
Poorest county
- Florida: Union County ($30,156 per capita income) vs Illinois: Lawrence County ($43,606).
- Lawrence County's income is 1.4 times (45%) richer than Union County's.
Florida vs Illinois Taxes
State income tax
- Florida has no state income tax, while Illinois has a top income tax rate of 4.95%.
- Illinois's top rate is 4.95 percentage points higher.
Property tax
- Florida: 0.75% effective rate vs Illinois: 1.92% of home value per year.
- Illinois's rate is 1.17 percentage points higher.
Sales tax
- Florida: 6.98% combined state and average local rate vs Illinois: 8.98%.
- Illinois's combined rate is 2 percentage points higher.
Official Websites
Florida official website · Illinois official website
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More Size Comparisons
All Florida 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.