The map above shows Montana and New Hampshire side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Montana vs New Hampshire Geography
Land area: Montana has a land area of 145,550 square miles (376,973 km²), while New Hampshire has 8,954 square miles (23,190 km²). Montana's land area is 16.3 times larger than New Hampshire's.
Total area: Montana: 147,043 square miles (380,840 km²) vs New Hampshire: 9,350 square miles (24,216 km²), including inland and coastal water. Montana's total area is 15.7 times larger than New Hampshire's.
Length: Montana is 319 miles (514 km) long from north to south; New Hampshire is 180 miles (290 km). Montana's north-south length is 1.8 times (77%) longer than New Hampshire's.
Width: Montana spans 607 miles (976 km) east to west; New Hampshire spans 95 miles (152 km). Montana's east-west width is 6.4 times (539%) wider than New Hampshire's.
Highest point: Montana's highest point is Granite Peak at 12,767 feet (3,891 m); New Hampshire's is Mount Washington at 6,277 feet (1,913 m). Granite Peak is 6,490 feet higher than Mount Washington.
Lowest point: Montana's lowest point is Kootenai River at 1,805 feet; New Hampshire's is Atlantic Ocean at 0 feet. New Hampshire's lowest point is 1,805 feet lower.
Montana vs New Hampshire Population and History
Population: Montana has a population of 1,137,233 (2024), while New Hampshire has 1,409,032 (2024). New Hampshire's population is 1.2 times (24%) larger than Montana's.
Population density: Montana: 7.8 people per square mile vs New Hampshire: 157.4. New Hampshire's population density is 20.2 times higher than Montana's.
Biggest city: Montana's biggest city is Billings with 121,483 people; New Hampshire's is Manchester with 116,386. Billings and Manchester have about the same population.
Largest metro area: Montana's largest metropolitan area is Billings, MT metro area (192,531 people) vs New Hampshire's Boston-Cambridge-Newton, MA-NH metro area (5,025,517). Boston-Cambridge-Newton, MA-NH metro area's population is 26.1 times larger than Billings, MT metro area's.
History: Montana: Admitted to the Union on November 8, 1889, as the 41st state. New Hampshire: Admitted to the Union on June 21, 1788, as the 9th state. In its current form, New Hampshire is the older of the two by 101 years.
Montana vs New Hampshire Economy
GDP: Montana's GDP is $78.4 billion (2024) vs New Hampshire's $119.3 billion. New Hampshire's economic output is 1.5 times (52%) larger than Montana's.
GDP per capita: Montana: $68,975 per person vs New Hampshire: $84,694. New Hampshire's GDP per capita is 1.2 times (23%) higher than Montana's.
Average income: Montana: $69,240 vs New Hampshire: $83,192 average income per person (per capita personal income). New Hampshire's average income is 1.2 times (20%) higher than Montana's.
Montana vs New Hampshire Counties
Number of counties: Montana has 56 counties, while New Hampshire has 10. Montana's county count is 5.6 times (460%) higher than New Hampshire's.
Biggest county by area: Montana's largest county is Beaverhead County at 5,543 square miles; New Hampshire's is Coos County at 1,795 square miles. Beaverhead County's land area is 3.1 times (209%) larger than Coos County's.
Smallest county by area: Montana: Silver Bow County (718 sq mi) vs New Hampshire: Strafford County (368 sq mi). Silver Bow County's land area is 2.0 times (95%) larger than Strafford County's.
Most populous county: Montana: Yellowstone County (171,583 people) vs New Hampshire: Hillsborough County (430,462 people). Hillsborough County's population is 2.5 times (151%) larger than Yellowstone County's.
Least populous county: Montana: Petroleum County (525 people) vs New Hampshire: Coos County (31,094 people). Coos County's population is 59.2 times larger than Petroleum County's.
Richest county: Montana: Gallatin County ($94,573 per capita income) vs New Hampshire: Rockingham County ($100,216). Rockingham County's income is 1.1 times (6%) richer than Gallatin County's.
Poorest county: Montana: Blaine County ($37,554 per capita income) vs New Hampshire: Coos County ($60,657). Coos County's income is 1.6 times (62%) richer than Blaine County's.
Montana vs New Hampshire Taxes
State income tax: Montana has a top income tax rate of 5.65%, while New Hampshire has no state income tax. Montana's top rate is 5.65 percentage points higher.
Property tax: Montana: 0.69% effective rate vs New Hampshire: 1.46% of home value per year. New Hampshire's rate is 0.77 percentage points higher.
Sales tax: Montana: 0% combined state and average local rate vs New Hampshire: 0%. The two are essentially equal.
Official Websites
Montana official website · New Hampshire official website
More Size Comparisons
All Montana 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.