The map above shows Maine and Massachusetts side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Maine vs Massachusetts Geography
Land area: Maine has a land area of 30,845 square miles (79,888 km²), while Massachusetts has 7,801 square miles (20,204 km²). Maine's land area is 4.0 times (295%) larger than Massachusetts'.
Total area: Maine: 35,380 square miles (91,634 km²) vs Massachusetts: 10,554 square miles (27,335 km²), including inland and coastal water. Maine's total area is 3.4 times (235%) larger than Massachusetts'.
Length: Maine is 311 miles (501 km) long from north to south; Massachusetts is 123 miles (198 km). Maine's north-south length is 2.5 times (153%) longer than Massachusetts'.
Width: Maine spans 203 miles (327 km) east to west; Massachusetts spans 185 miles (297 km). Maine's east-west width is 1.1 times (10%) wider than Massachusetts'.
Highest point: Maine's highest point is Mount Katahdin at 5,253 feet (1,601 m); Massachusetts's is Mount Greylock at 3,489 feet (1,063 m). Mount Katahdin is 1,764 feet higher than Mount Greylock.
Lowest point: Maine's lowest point is Atlantic Ocean at 0 feet; Massachusetts's is Atlantic Ocean at 0 feet. Both lowest points are at or near sea level.
Maine vs Massachusetts Population and History
Population: Maine has a population of 1,405,012 (2024), while Massachusetts has 7,136,171 (2024). Massachusetts' population is 5.1 times (408%) larger than Maine's.
Population density: Maine: 45.6 people per square mile vs Massachusetts: 914.8. Massachusetts' population density is 20.1 times higher than Maine's.
Biggest city: Maine's biggest city is Portland with 69,568 people; Massachusetts's is Boston with 673,458. Boston's population is 9.7 times (868%) larger than Portland's.
Largest metro area: Maine's largest metropolitan area is Portland-South Portland, ME metro area (571,534 people) vs Massachusetts's Boston-Cambridge-Newton, MA-NH metro area (5,025,517). Boston-Cambridge-Newton, MA-NH metro area's population is 8.8 times (779%) larger than Portland-South Portland, ME metro area's.
History: Maine: Admitted to the Union on March 15, 1820, as the 23rd 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 32 years.
Maine vs Massachusetts Economy
GDP: Maine's GDP is $99.2 billion (2024) vs Massachusetts's $778.5 billion. Massachusetts' economic output is 7.8 times (685%) larger than Maine's.
GDP per capita: Maine: $70,586 per person vs Massachusetts: $109,095. Massachusetts' GDP per capita is 1.5 times (55%) higher than Maine's.
Average income: Maine: $68,932 vs Massachusetts: $93,607 average income per person (per capita personal income). Massachusetts' average income is 1.4 times (36%) higher than Maine's.
Maine vs Massachusetts Counties
Number of counties: Maine has 16 counties, while Massachusetts has 14. Maine's county count is 1.1 times (14%) higher than Massachusetts'.
Biggest county by area: Maine's largest county is Aroostook County at 6,671 square miles; Massachusetts's is Worcester County at 1,511 square miles. Aroostook County's land area is 4.4 times (342%) larger than Worcester County's.
Smallest county by area: Maine: Sagadahoc County (254 sq mi) vs Massachusetts: Nantucket County (46 sq mi). Sagadahoc County's land area is 5.5 times (450%) larger than Nantucket County's.
Most populous county: Maine: Cumberland County (313,809 people) vs Massachusetts: Middlesex County (1,668,956 people). Middlesex County's population is 5.3 times (432%) larger than Cumberland County's.
Least populous county: Maine: Piscataquis County (17,432 people) vs Massachusetts: Nantucket County (14,670 people). Piscataquis County's population is 1.2 times (19%) larger than Nantucket County's.
Richest county: Maine: Cumberland County ($90,142 per capita income) vs Massachusetts: Nantucket County ($129,250). Nantucket County's income is 1.4 times (43%) richer than Cumberland County's.
Poorest county: Maine: Franklin County ($52,725 per capita income) vs Massachusetts: Hampshire County ($65,432). Hampshire County's income is 1.2 times (24%) richer than Franklin County's.
Maine vs Massachusetts Taxes
State income tax: Maine has a top income tax rate of 7.15%, while Massachusetts has a top income tax rate of 9%. Massachusetts's top rate is 1.85 percentage points higher.
Property tax: Maine: 0.91% effective rate vs Massachusetts: 1% of home value per year. Massachusetts's rate is 0.09 percentage points higher.
Sales tax: Maine: 5.5% combined state and average local rate vs Massachusetts: 6.25%. Massachusetts's combined rate is 0.75 percentage points higher.
Official Websites
Maine official website · Massachusetts official website
More Size Comparisons
All Maine 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.