The map above shows Indiana and Maine side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Indiana vs Maine Geography
Land area: Indiana has a land area of 35,825 square miles (92,787 km²), while Maine has 30,845 square miles (79,888 km²). Indiana's land area is 1.2 times (16%) larger than Maine's.
Total area: Indiana: 36,421 square miles (94,331 km²) vs Maine: 35,380 square miles (91,634 km²), including inland and coastal water. Indiana and Maine have about the same total area.
Length: Indiana is 276 miles (444 km) long from north to south; Maine is 311 miles (501 km). Maine's north-south length is 1.1 times (13%) longer than Indiana's.
Width: Indiana spans 193 miles (310 km) east to west; Maine spans 203 miles (327 km). Maine's east-west width is 1.1 times (5%) wider than Indiana's.
Highest point: Indiana's highest point is Hoosier Hill at 1,255 feet (383 m); Maine's is Mount Katahdin at 5,253 feet (1,601 m). Mount Katahdin is 3,998 feet higher than Hoosier Hill.
Lowest point: Indiana's lowest point is Ohio River at 330 feet; Maine's is Atlantic Ocean at 0 feet. Maine's lowest point is 330 feet lower.
Indiana vs Maine Population and History
Population: Indiana has a population of 6,924,275 (2024), while Maine has 1,405,012 (2024). Indiana's population is 4.9 times (393%) larger than Maine's.
Population density: Indiana: 193.3 people per square mile vs Maine: 45.6. Indiana's population density is 4.2 times (324%) higher than Maine's.
Biggest city: Indiana's biggest city is Indianapolis with 891,484 people; Maine's is Portland with 69,568. Indianapolis' population is 12.8 times larger than Portland's.
Largest metro area: Indiana's largest metropolitan area is Chicago-Naperville-Elgin, IL-IN metro area (9,408,576 people) vs Maine's Portland-South Portland, ME metro area (571,534). Chicago-Naperville-Elgin, IL-IN metro area's population is 16.5 times larger than Portland-South Portland, ME metro area's.
History: Indiana: Admitted to the Union on December 11, 1816, as the 19th state. Maine: Admitted to the Union on March 15, 1820, as the 23rd state. In its current form, Indiana is the older of the two by 4 years.
Indiana vs Maine Economy
GDP: Indiana's GDP is $519.5 billion (2024) vs Maine's $99.2 billion. Indiana's economic output is 5.2 times (424%) larger than Maine's.
GDP per capita: Indiana: $75,028 per person vs Maine: $70,586. Indiana's GDP per capita is 1.1 times (6%) higher than Maine's.
Average income: Indiana: $64,077 vs Maine: $68,932 average income per person (per capita personal income). Maine's average income is 1.1 times (8%) higher than Indiana's.
Indiana vs Maine Counties
Number of counties: Indiana has 92 counties, while Maine has 16. Indiana's county count is 5.8 times (475%) higher than Maine's.
Biggest county by area: Indiana's largest county is Allen County at 657 square miles; Maine's is Aroostook County at 6,671 square miles. Aroostook County's land area is 10.2 times larger than Allen County's.
Smallest county by area: Indiana: Ohio County (86 sq mi) vs Maine: Sagadahoc County (254 sq mi). Sagadahoc County's land area is 2.9 times (195%) larger than Ohio County's.
Most populous county: Indiana: Marion County (981,628 people) vs Maine: Cumberland County (313,809 people). Marion County's population is 3.1 times (213%) larger than Cumberland County's.
Least populous county: Indiana: Ohio County (5,996 people) vs Maine: Piscataquis County (17,432 people). Piscataquis County's population is 2.9 times (191%) larger than Ohio County's.
Richest county: Indiana: Hamilton County ($104,283 per capita income) vs Maine: Cumberland County ($90,142). Hamilton County's income is 1.2 times (16%) richer than Cumberland County's.
Poorest county: Indiana: Miami County ($44,940 per capita income) vs Maine: Franklin County ($52,725). Franklin County's income is 1.2 times (17%) richer than Miami County's.
Indiana vs Maine Taxes
State income tax: Indiana has a top income tax rate of 2.95%, while Maine has a top income tax rate of 7.15%. Maine's top rate is 4.2 percentage points higher.
Property tax: Indiana: 0.74% effective rate vs Maine: 0.91% of home value per year. Maine's rate is 0.17 percentage points higher.
Sales tax: Indiana: 7% combined state and average local rate vs Maine: 5.5%. Indiana's combined rate is 1.5 percentage points higher.
Official Websites
Indiana official website · Maine official website
More Size Comparisons
All Indiana size comparisons · All Maine 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.