The map above shows Delaware and Massachusetts side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Delaware vs Massachusetts Geography
Land area: Delaware has a land area of 1,949 square miles (5,047 km²), while Massachusetts has 7,801 square miles (20,204 km²). Massachusetts' land area is 4.0 times (300%) larger than Delaware's.
Total area: Delaware: 2,489 square miles (6,446 km²) vs Massachusetts: 10,554 square miles (27,335 km²), including inland and coastal water. Massachusetts' total area is 4.2 times (324%) larger than Delaware's.
Length: Delaware is 98 miles (158 km) long from north to south; Massachusetts is 123 miles (198 km). Massachusetts' north-south length is 1.3 times (26%) longer than Delaware's.
Width: Delaware spans 96 miles (155 km) east to west; Massachusetts spans 185 miles (297 km). Massachusetts' east-west width is 1.9 times (93%) wider than Delaware's.
Highest point: Delaware's highest point is Ebright Azimuth at 450 feet (137 m); Massachusetts's is Mount Greylock at 3,489 feet (1,063 m). Mount Greylock is 3,039 feet higher than Ebright Azimuth.
Lowest point: Delaware'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.
Delaware vs Massachusetts Population and History
Population: Delaware has a population of 1,051,917 (2024), while Massachusetts has 7,136,171 (2024). Massachusetts' population is 6.8 times (578%) larger than Delaware's.
Population density: Delaware: 539.9 people per square mile vs Massachusetts: 914.8. Massachusetts' population density is 1.7 times (69%) higher than Delaware's.
Biggest city: Delaware's biggest city is Wilmington with 73,176 people; Massachusetts's is Boston with 673,458. Boston's population is 9.2 times (820%) larger than Wilmington's.
Largest metro area: Delaware's largest metropolitan area is Philadelphia-Camden-Wilmington, PA-NJ-DE-MD metro area (6,330,422 people) vs Massachusetts's Boston-Cambridge-Newton, MA-NH metro area (5,025,517). Philadelphia-Camden-Wilmington, PA-NJ-DE-MD metro area's population is 1.3 times (26%) larger than Boston-Cambridge-Newton, MA-NH metro area's.
History: Delaware: Admitted to the Union on December 7, 1787, as the 1st state. Massachusetts: Admitted to the Union on February 6, 1788, as the 6th state. In its current form, Delaware is the older of the two by 1 years.
Delaware vs Massachusetts Economy
GDP: Delaware's GDP is $111.0 billion (2024) vs Massachusetts's $778.5 billion. Massachusetts' economic output is 7.0 times (601%) larger than Delaware's.
GDP per capita: Delaware: $105,495 per person vs Massachusetts: $109,095. Delaware and Massachusetts have about the same GDP per capita.
Average income: Delaware: $68,061 vs Massachusetts: $93,607 average income per person (per capita personal income). Massachusetts' average income is 1.4 times (38%) higher than Delaware's.
Delaware vs Massachusetts Counties
Number of counties: Delaware has 3 counties, while Massachusetts has 14. Massachusetts' county count is 4.7 times (367%) higher than Delaware's.
Biggest county by area: Delaware's largest county is Sussex County at 936 square miles; Massachusetts's is Worcester County at 1,511 square miles. Worcester County's land area is 1.6 times (61%) larger than Sussex County's.
Smallest county by area: Delaware: New Castle County (426 sq mi) vs Massachusetts: Nantucket County (46 sq mi). New Castle County's land area is 9.2 times (823%) larger than Nantucket County's.
Most populous county: Delaware: New Castle County (588,093 people) vs Massachusetts: Middlesex County (1,668,956 people). Middlesex County's population is 2.8 times (184%) larger than New Castle County's.
Least populous county: Delaware: Kent County (192,690 people) vs Massachusetts: Nantucket County (14,670 people). Kent County's population is 13.1 times larger than Nantucket County's.
Richest county: Delaware: Sussex County ($73,647 per capita income) vs Massachusetts: Nantucket County ($129,250). Nantucket County's income is 1.8 times (75%) richer than Sussex County's.
Poorest county: Delaware: Kent County ($55,474 per capita income) vs Massachusetts: Hampshire County ($65,432). Hampshire County's income is 1.2 times (18%) richer than Kent County's.
Delaware vs Massachusetts Taxes
State income tax: Delaware has a top income tax rate of 6.6%, while Massachusetts has a top income tax rate of 9%. Massachusetts's top rate is 2.4 percentage points higher.
Property tax: Delaware: 0.47% effective rate vs Massachusetts: 1% of home value per year. Massachusetts's rate is 0.53 percentage points higher.
Sales tax: Delaware: 0% combined state and average local rate vs Massachusetts: 6.25%. Massachusetts's combined rate is 6.25 percentage points higher.
Official Websites
Delaware official website · Massachusetts official website
More Size Comparisons
All Delaware 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.