The map above shows Maryland and New Hampshire side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Maryland vs New Hampshire Geography
Land area: Maryland has a land area of 9,711 square miles (25,151 km²), while New Hampshire has 8,954 square miles (23,190 km²). Maryland's land area is 1.1 times (8%) larger than New Hampshire's.
Total area: Maryland: 12,406 square miles (32,131 km²) vs New Hampshire: 9,350 square miles (24,216 km²), including inland and coastal water. Maryland's total area is 1.3 times (33%) larger than New Hampshire's.
Length: Maryland is 231 miles (371 km) long from north to south; New Hampshire is 180 miles (290 km). Maryland's north-south length is 1.3 times (28%) longer than New Hampshire's.
Width: Maryland spans 243 miles (391 km) east to west; New Hampshire spans 95 miles (152 km). Maryland's east-west width is 2.6 times (156%) wider than New Hampshire's.
Highest point: Maryland's highest point is Hoye-Crest at 3,362 feet (1,025 m); New Hampshire's is Mount Washington at 6,277 feet (1,913 m). Mount Washington is 2,915 feet higher than Hoye-Crest.
Lowest point: Maryland'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.
Maryland vs New Hampshire Population and History
Population: Maryland has a population of 6,263,220 (2024), while New Hampshire has 1,409,032 (2024). Maryland's population is 4.4 times (345%) larger than New Hampshire's.
Population density: Maryland: 645.0 people per square mile vs New Hampshire: 157.4. Maryland's population density is 4.1 times (310%) higher than New Hampshire's.
Biggest city: Maryland's biggest city is Baltimore with 568,271 people; New Hampshire's is Manchester with 116,386. Baltimore's population is 4.9 times (388%) larger than Manchester's.
Largest metro area: Maryland's largest metropolitan area is Washington-Arlington-Alexandria, DC-VA-MD-WV metro area (6,436,489 people) vs New Hampshire's Boston-Cambridge-Newton, MA-NH metro area (5,025,517). Washington-Arlington-Alexandria, DC-VA-MD-WV metro area's population is 1.3 times (28%) larger than Boston-Cambridge-Newton, MA-NH metro area's.
History: Maryland: Admitted to the Union on April 28, 1788, as the 7th state. New Hampshire: Admitted to the Union on June 21, 1788, as the 9th state.
Maryland vs New Hampshire Economy
GDP: Maryland's GDP is $546.0 billion (2024) vs New Hampshire's $119.3 billion. Maryland's economic output is 4.6 times (358%) larger than New Hampshire's.
GDP per capita: Maryland: $87,180 per person vs New Hampshire: $84,694. Maryland and New Hampshire have about the same GDP per capita.
Average income: Maryland: $79,259 vs New Hampshire: $83,192 average income per person (per capita personal income). New Hampshire's average income is 1.0 times (5%) higher than Maryland's.
Maryland vs New Hampshire Counties
Number of counties: Maryland has 24 counties, while New Hampshire has 10. Maryland's county count is 2.4 times (140%) higher than New Hampshire's.
Biggest county by area: Maryland's largest county is Frederick County at 661 square miles; New Hampshire's is Coos County at 1,795 square miles. Coos County's land area is 2.7 times (172%) larger than Frederick County's.
Smallest county by area: Maryland: Baltimore city (81 sq mi) vs New Hampshire: Strafford County (368 sq mi). Strafford County's land area is 4.5 times (354%) larger than Baltimore city's.
Most populous county: Maryland: Montgomery County (1,082,273 people) vs New Hampshire: Hillsborough County (430,462 people). Montgomery County's population is 2.5 times (151%) larger than Hillsborough County's.
Least populous county: Maryland: Kent County (19,557 people) vs New Hampshire: Coos County (31,094 people). Coos County's population is 1.6 times (59%) larger than Kent County's.
Richest county: Maryland: Montgomery County ($104,882 per capita income) vs New Hampshire: Rockingham County ($100,216). Montgomery County and Rockingham County have about the same income.
Poorest county: Maryland: Somerset County ($41,421 per capita income) vs New Hampshire: Coos County ($60,657). Coos County's income is 1.5 times (46%) richer than Somerset County's.
Maryland vs New Hampshire Taxes
State income tax: Maryland has a top income tax rate of 6.5%, while New Hampshire has no state income tax. Maryland's top rate is 6.5 percentage points higher.
Property tax: Maryland: 0.95% effective rate vs New Hampshire: 1.46% of home value per year. New Hampshire's rate is 0.51 percentage points higher.
Sales tax: Maryland: 6% combined state and average local rate vs New Hampshire: 0%. Maryland's combined rate is 6 percentage points higher.
Official Websites
Maryland official website · New Hampshire official website
More Size Comparisons
All Maryland 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.