The map above shows Delaware and New Hampshire side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Delaware vs New Hampshire Geography
Land area: Delaware has a land area of 1,949 square miles (5,047 km²), while New Hampshire has 8,954 square miles (23,190 km²). New Hampshire's land area is 4.6 times (359%) larger than Delaware's.
Total area: Delaware: 2,489 square miles (6,446 km²) vs New Hampshire: 9,350 square miles (24,216 km²), including inland and coastal water. New Hampshire's total area is 3.8 times (276%) larger than Delaware's.
Length: Delaware is 98 miles (158 km) long from north to south; New Hampshire is 180 miles (290 km). New Hampshire's north-south length is 1.8 times (84%) longer than Delaware's.
Width: Delaware spans 96 miles (155 km) east to west; New Hampshire spans 95 miles (152 km). Delaware and New Hampshire have about the same east-west width.
Highest point: Delaware's highest point is Ebright Azimuth at 450 feet (137 m); New Hampshire's is Mount Washington at 6,277 feet (1,913 m). Mount Washington is 5,827 feet higher than Ebright Azimuth.
Lowest point: Delaware'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.
Delaware vs New Hampshire Population and History
Population: Delaware has a population of 1,051,917 (2024), while New Hampshire has 1,409,032 (2024). New Hampshire's population is 1.3 times (34%) larger than Delaware's.
Population density: Delaware: 539.9 people per square mile vs New Hampshire: 157.4. Delaware's population density is 3.4 times (243%) higher than New Hampshire's.
Biggest city: Delaware's biggest city is Wilmington with 73,176 people; New Hampshire's is Manchester with 116,386. Manchester's population is 1.6 times (59%) 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 New Hampshire'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. New Hampshire: Admitted to the Union on June 21, 1788, as the 9th state. In its current form, Delaware is the older of the two by 1 years.
Delaware vs New Hampshire Economy
GDP: Delaware's GDP is $111.0 billion (2024) vs New Hampshire's $119.3 billion. New Hampshire's economic output is 1.1 times (7%) larger than Delaware's.
GDP per capita: Delaware: $105,495 per person vs New Hampshire: $84,694. Delaware's GDP per capita is 1.2 times (25%) higher than New Hampshire's.
Average income: Delaware: $68,061 vs New Hampshire: $83,192 average income per person (per capita personal income). New Hampshire's average income is 1.2 times (22%) higher than Delaware's.
Delaware vs New Hampshire Counties
Number of counties: Delaware has 3 counties, while New Hampshire has 10. New Hampshire's county count is 3.3 times (233%) higher than Delaware's.
Biggest county by area: Delaware's largest county is Sussex County at 936 square miles; New Hampshire's is Coos County at 1,795 square miles. Coos County's land area is 1.9 times (92%) larger than Sussex County's.
Smallest county by area: Delaware: New Castle County (426 sq mi) vs New Hampshire: Strafford County (368 sq mi). New Castle County's land area is 1.2 times (16%) larger than Strafford County's.
Most populous county: Delaware: New Castle County (588,093 people) vs New Hampshire: Hillsborough County (430,462 people). New Castle County's population is 1.4 times (37%) larger than Hillsborough County's.
Least populous county: Delaware: Kent County (192,690 people) vs New Hampshire: Coos County (31,094 people). Kent County's population is 6.2 times (520%) larger than Coos County's.
Richest county: Delaware: Sussex County ($73,647 per capita income) vs New Hampshire: Rockingham County ($100,216). Rockingham County's income is 1.4 times (36%) richer than Sussex County's.
Poorest county: Delaware: Kent County ($55,474 per capita income) vs New Hampshire: Coos County ($60,657). Coos County's income is 1.1 times (9%) richer than Kent County's.
Delaware vs New Hampshire Taxes
State income tax: Delaware has a top income tax rate of 6.6%, while New Hampshire has no state income tax. Delaware's top rate is 6.6 percentage points higher.
Property tax: Delaware: 0.47% effective rate vs New Hampshire: 1.46% of home value per year. New Hampshire's rate is 0.99 percentage points higher.
Sales tax: Delaware: 0% combined state and average local rate vs New Hampshire: 0%. The two are essentially equal.
Official Websites
Delaware official website · New Hampshire official website
More Size Comparisons
All Delaware 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.