The map above shows Massachusetts and New Hampshire side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Massachusetts vs New Hampshire Geography
Land area: Massachusetts has a land area of 7,801 square miles (20,204 km²), while New Hampshire has 8,954 square miles (23,190 km²). New Hampshire's land area is 1.1 times (15%) larger than Massachusetts'.
Total area: Massachusetts: 10,554 square miles (27,335 km²) vs New Hampshire: 9,350 square miles (24,216 km²), including inland and coastal water. Massachusetts' total area is 1.1 times (13%) larger than New Hampshire's.
Length: Massachusetts is 123 miles (198 km) long from north to south; New Hampshire is 180 miles (290 km). New Hampshire's north-south length is 1.5 times (46%) longer than Massachusetts'.
Width: Massachusetts spans 185 miles (297 km) east to west; New Hampshire spans 95 miles (152 km). Massachusetts' east-west width is 1.9 times (95%) wider than New Hampshire's.
Highest point: Massachusetts's highest point is Mount Greylock at 3,489 feet (1,063 m); New Hampshire's is Mount Washington at 6,277 feet (1,913 m). Mount Washington is 2,788 feet higher than Mount Greylock.
Lowest point: Massachusetts's lowest point is Atlantic Ocean at 0 feet; New Hampshire's is Atlantic Ocean at 0 feet. Both lowest points are at or near sea level.
Massachusetts vs New Hampshire Population and History
Population: Massachusetts has a population of 7,136,171 (2024), while New Hampshire has 1,409,032 (2024). Massachusetts' population is 5.1 times (406%) larger than New Hampshire's.
Population density: Massachusetts: 914.8 people per square mile vs New Hampshire: 157.4. Massachusetts' population density is 5.8 times (481%) higher than New Hampshire's.
Biggest city: Massachusetts's biggest city is Boston with 673,458 people; New Hampshire's is Manchester with 116,386. Boston's population is 5.8 times (479%) larger than Manchester's.
Largest metro area: Massachusetts's largest metropolitan area is Boston-Cambridge-Newton, MA-NH metro area (5,025,517 people) vs New Hampshire's Boston-Cambridge-Newton, MA-NH metro area (5,025,517). Boston-Cambridge-Newton, MA-NH metro area and Boston-Cambridge-Newton, MA-NH metro area have about the same population.
History: Massachusetts: Admitted to the Union on February 6, 1788, as the 6th state. New Hampshire: Admitted to the Union on June 21, 1788, as the 9th state.
Massachusetts vs New Hampshire Economy
GDP: Massachusetts's GDP is $778.5 billion (2024) vs New Hampshire's $119.3 billion. Massachusetts' economic output is 6.5 times (553%) larger than New Hampshire's.
GDP per capita: Massachusetts: $109,095 per person vs New Hampshire: $84,694. Massachusetts' GDP per capita is 1.3 times (29%) higher than New Hampshire's.
Average income: Massachusetts: $93,607 vs New Hampshire: $83,192 average income per person (per capita personal income). Massachusetts' average income is 1.1 times (13%) higher than New Hampshire's.
Massachusetts vs New Hampshire Counties
Number of counties: Massachusetts has 14 counties, while New Hampshire has 10. Massachusetts' county count is 1.4 times (40%) higher than New Hampshire's.
Biggest county by area: Massachusetts's largest county is Worcester County at 1,511 square miles; New Hampshire's is Coos County at 1,795 square miles. Coos County's land area is 1.2 times (19%) larger than Worcester County's.
Smallest county by area: Massachusetts: Nantucket County (46 sq mi) vs New Hampshire: Strafford County (368 sq mi). Strafford County's land area is 8.0 times (695%) larger than Nantucket County's.
Most populous county: Massachusetts: Middlesex County (1,668,956 people) vs New Hampshire: Hillsborough County (430,462 people). Middlesex County's population is 3.9 times (288%) larger than Hillsborough County's.
Least populous county: Massachusetts: Nantucket County (14,670 people) vs New Hampshire: Coos County (31,094 people). Coos County's population is 2.1 times (112%) larger than Nantucket County's.
Richest county: Massachusetts: Nantucket County ($129,250 per capita income) vs New Hampshire: Rockingham County ($100,216). Nantucket County's income is 1.3 times (29%) richer than Rockingham County's.
Poorest county: Massachusetts: Hampshire County ($65,432 per capita income) vs New Hampshire: Coos County ($60,657). Hampshire County's income is 1.1 times (8%) richer than Coos County's.
Massachusetts vs New Hampshire Taxes
State income tax: Massachusetts has a top income tax rate of 9%, while New Hampshire has no state income tax. Massachusetts's top rate is 9 percentage points higher.
Property tax: Massachusetts: 1% effective rate vs New Hampshire: 1.46% of home value per year. New Hampshire's rate is 0.46 percentage points higher.
Sales tax: Massachusetts: 6.25% combined state and average local rate vs New Hampshire: 0%. Massachusetts's combined rate is 6.25 percentage points higher.
Official Websites
Massachusetts official website · New Hampshire official website
More Size Comparisons
All Massachusetts size comparisons · All New Hampshire 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.