The map above shows Indiana and Kentucky side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Indiana vs Kentucky Geography
Land area
- Indiana has a land area of 35,825 square miles (92,787 km²), while Kentucky has 39,485 square miles (102,267 km²).
- Kentucky's land area is 1.1 times (10%) larger than Indiana's.
Total area
- Indiana: 36,421 square miles (94,331 km²) vs Kentucky: 40,406 square miles (104,651 km²), including inland and coastal water.
- Kentucky's total area is 1.1 times (11%) larger than Indiana's.
Length
- Indiana is 276 miles (444 km) long from north to south; Kentucky is 257 miles (414 km).
- Indiana's north-south length is 1.1 times (7%) longer than Kentucky's.
Width
- Indiana spans 193 miles (310 km) east to west; Kentucky spans 418 miles (672 km).
- Kentucky's east-west width is 2.2 times (117%) wider than Indiana's.
Highest point
- Indiana's highest point is Hoosier Hill at 1,255 feet (383 m); Kentucky's is Black Mountain at 4,134 feet (1,260 m).
- Black Mountain is 2,879 feet higher than Hoosier Hill.
Lowest point
- Indiana's lowest point is Ohio River at 330 feet; Kentucky's is Mississippi River at 270 feet.
- Kentucky's lowest point is 60 feet lower.
Indiana vs Kentucky Population and History
Population
- Indiana has a population of 6,924,275 (2024), while Kentucky has 4,588,372 (2024).
- Indiana's population is 1.5 times (51%) larger than Kentucky's.
Population density
- Indiana: 193.3 people per square mile vs Kentucky: 116.2.
- Indiana's population density is 1.7 times (66%) higher than Kentucky's.
Biggest city
- Indiana's biggest city is Indianapolis with 891,484 people; Kentucky's is Louisville with 640,796.
- Indianapolis' population is 1.4 times (39%) larger than Louisville's.
Largest metro area
- Indiana's largest metropolitan area is Chicago-Naperville-Elgin, IL-IN metro area (9,408,576 people) vs Kentucky's Cincinnati, OH-KY-IN metro area (2,302,815).
- Chicago-Naperville-Elgin, IL-IN metro area's population is 4.1 times (309%) larger than Cincinnati, OH-KY-IN metro area's.
History
- Indiana: Admitted to the Union on December 11, 1816, as the 19th state.
- Kentucky: Admitted to the Union on June 1, 1792, as the 15th state.
- In its current form, Kentucky is the older of the two by 24 years.
Indiana vs Kentucky Economy
GDP
- Indiana's GDP is $519.5 billion (2024) vs Kentucky's $295.4 billion.
- Indiana's economic output is 1.8 times (76%) larger than Kentucky's.
GDP per capita
- Indiana: $75,028 per person vs Kentucky: $64,375.
- Indiana's GDP per capita is 1.2 times (17%) higher than Kentucky's.
Average income
- Indiana: $64,077 vs Kentucky: $58,256 average income per person (per capita personal income).
- Indiana's average income is 1.1 times (10%) higher than Kentucky's.
Indiana vs Kentucky Counties
Number of counties
- Indiana has 92 counties, while Kentucky has 120.
- Kentucky's county count is 1.3 times (30%) higher than Indiana's.
Biggest county by area
- Indiana's largest county is Allen County at 657 square miles; Kentucky's is Pike County at 786 square miles.
- Pike County's land area is 1.2 times (20%) larger than Allen County's.
Smallest county by area
- Indiana: Ohio County (86 sq mi) vs Kentucky: Gallatin County (98 sq mi).
- Gallatin County's land area is 1.1 times (14%) larger than Ohio County's.
Most populous county
- Indiana: Marion County (981,628 people) vs Kentucky: Jefferson County (793,881 people).
- Marion County's population is 1.2 times (24%) larger than Jefferson County's.
Least populous county
- Indiana: Ohio County (5,996 people) vs Kentucky: Robertson County (2,382 people).
- Ohio County's population is 2.5 times (152%) larger than Robertson County's.
Richest county
- Indiana: Hamilton County ($104,283 per capita income) vs Kentucky: Oldham County ($87,137).
- Hamilton County's income is 1.2 times (20%) richer than Oldham County's.
Poorest county
- Indiana: Miami County ($44,940 per capita income) vs Kentucky: Elliott County ($31,817).
- Miami County's income is 1.4 times (41%) richer than Elliott County's.
Indiana vs Kentucky Taxes
State income tax
- Indiana has a top income tax rate of 2.95%, while Kentucky has a top income tax rate of 3.5%.
- Kentucky's top rate is 0.55 percentage points higher.
Property tax
- Indiana: 0.74% effective rate vs Kentucky: 0.71% of home value per year.
- Indiana's rate is 0.03 percentage points higher.
Sales tax
- Indiana: 7% combined state and average local rate vs Kentucky: 6%.
- Indiana's combined rate is 1 percentage points higher.
Official Websites
Indiana official website · Kentucky official website
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More Size Comparisons
All Indiana size comparisons · All Kentucky 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.