The map above shows Indiana and Massachusetts side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Indiana vs Massachusetts Geography
Land area: Indiana has a land area of 35,825 square miles (92,787 km²), while Massachusetts has 7,801 square miles (20,204 km²). Indiana's land area is 4.6 times (359%) larger than Massachusetts'.
Total area: Indiana: 36,421 square miles (94,331 km²) vs Massachusetts: 10,554 square miles (27,335 km²), including inland and coastal water. Indiana's total area is 3.5 times (245%) larger than Massachusetts'.
Length: Indiana is 276 miles (444 km) long from north to south; Massachusetts is 123 miles (198 km). Indiana's north-south length is 2.2 times (124%) longer than Massachusetts'.
Width: Indiana spans 193 miles (310 km) east to west; Massachusetts spans 185 miles (297 km). Indiana and Massachusetts have about the same east-west width.
Highest point: Indiana's highest point is Hoosier Hill at 1,255 feet (383 m); Massachusetts's is Mount Greylock at 3,489 feet (1,063 m). Mount Greylock is 2,234 feet higher than Hoosier Hill.
Lowest point: Indiana's lowest point is Ohio River at 330 feet; Massachusetts's is Atlantic Ocean at 0 feet. Massachusetts's lowest point is 330 feet lower.
Indiana vs Massachusetts Population and History
Population: Indiana has a population of 6,924,275 (2024), while Massachusetts has 7,136,171 (2024). Indiana and Massachusetts have about the same population.
Population density: Indiana: 193.3 people per square mile vs Massachusetts: 914.8. Massachusetts' population density is 4.7 times (373%) higher than Indiana's.
Biggest city: Indiana's biggest city is Indianapolis with 891,484 people; Massachusetts's is Boston with 673,458. Indianapolis' population is 1.3 times (32%) larger than Boston's.
Largest metro area: Indiana's largest metropolitan area is Chicago-Naperville-Elgin, IL-IN metro area (9,408,576 people) vs Massachusetts's Boston-Cambridge-Newton, MA-NH metro area (5,025,517). Chicago-Naperville-Elgin, IL-IN metro area's population is 1.9 times (87%) larger than Boston-Cambridge-Newton, MA-NH metro area's.
History: Indiana: Admitted to the Union on December 11, 1816, as the 19th state. Massachusetts: Admitted to the Union on February 6, 1788, as the 6th state. In its current form, Massachusetts is the older of the two by 28 years.
Indiana vs Massachusetts Economy
GDP: Indiana's GDP is $519.5 billion (2024) vs Massachusetts's $778.5 billion. Massachusetts' economic output is 1.5 times (50%) larger than Indiana's.
GDP per capita: Indiana: $75,028 per person vs Massachusetts: $109,095. Massachusetts' GDP per capita is 1.5 times (45%) higher than Indiana's.
Average income: Indiana: $64,077 vs Massachusetts: $93,607 average income per person (per capita personal income). Massachusetts' average income is 1.5 times (46%) higher than Indiana's.
Indiana vs Massachusetts Counties
Number of counties: Indiana has 92 counties, while Massachusetts has 14. Indiana's county count is 6.6 times (557%) higher than Massachusetts'.
Biggest county by area: Indiana's largest county is Allen County at 657 square miles; Massachusetts's is Worcester County at 1,511 square miles. Worcester County's land area is 2.3 times (130%) larger than Allen County's.
Smallest county by area: Indiana: Ohio County (86 sq mi) vs Massachusetts: Nantucket County (46 sq mi). Ohio County's land area is 1.9 times (87%) larger than Nantucket County's.
Most populous county: Indiana: Marion County (981,628 people) vs Massachusetts: Middlesex County (1,668,956 people). Middlesex County's population is 1.7 times (70%) larger than Marion County's.
Least populous county: Indiana: Ohio County (5,996 people) vs Massachusetts: Nantucket County (14,670 people). Nantucket County's population is 2.4 times (145%) larger than Ohio County's.
Richest county: Indiana: Hamilton County ($104,283 per capita income) vs Massachusetts: Nantucket County ($129,250). Nantucket County's income is 1.2 times (24%) richer than Hamilton County's.
Poorest county: Indiana: Miami County ($44,940 per capita income) vs Massachusetts: Hampshire County ($65,432). Hampshire County's income is 1.5 times (46%) richer than Miami County's.
Indiana vs Massachusetts Taxes
State income tax: Indiana has a top income tax rate of 2.95%, while Massachusetts has a top income tax rate of 9%. Massachusetts's top rate is 6.05 percentage points higher.
Property tax: Indiana: 0.74% effective rate vs Massachusetts: 1% of home value per year. Massachusetts's rate is 0.26 percentage points higher.
Sales tax: Indiana: 7% combined state and average local rate vs Massachusetts: 6.25%. Indiana's combined rate is 0.75 percentage points higher.
Official Websites
Indiana official website · Massachusetts official website
More Size Comparisons
All Indiana size comparisons · All Massachusetts 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.