The map above shows New Hampshire and Oklahoma side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
New Hampshire vs Oklahoma Geography
Land area: New Hampshire has a land area of 8,954 square miles (23,190 km²), while Oklahoma has 68,597 square miles (177,665 km²). Oklahoma's land area is 7.7 times (666%) larger than New Hampshire's.
Total area: New Hampshire: 9,350 square miles (24,216 km²) vs Oklahoma: 69,899 square miles (181,038 km²), including inland and coastal water. Oklahoma's total area is 7.5 times (648%) larger than New Hampshire's.
Length: New Hampshire is 180 miles (290 km) long from north to south; Oklahoma is 533 miles (857 km). Oklahoma's north-south length is 3.0 times (196%) longer than New Hampshire's.
Width: New Hampshire spans 95 miles (152 km) east to west; Oklahoma spans 490 miles (789 km). Oklahoma's east-west width is 5.2 times (416%) wider than New Hampshire's.
Highest point: New Hampshire's highest point is Mount Washington at 6,277 feet (1,913 m); Oklahoma's is Black Mesa at 4,980 feet (1,518 m). Mount Washington is 1,297 feet higher than Black Mesa.
Lowest point: New Hampshire's lowest point is Atlantic Ocean at 0 feet; Oklahoma's is Little River at 289 feet. New Hampshire's lowest point is 289 feet lower.
New Hampshire vs Oklahoma Population and History
Population: New Hampshire has a population of 1,409,032 (2024), while Oklahoma has 4,095,393 (2024). Oklahoma's population is 2.9 times (191%) larger than New Hampshire's.
Population density: New Hampshire: 157.4 people per square mile vs Oklahoma: 59.7. New Hampshire's population density is 2.6 times (164%) higher than Oklahoma's.
Biggest city: New Hampshire's biggest city is Manchester with 116,386 people; Oklahoma's is Oklahoma City with 712,919. Oklahoma City's population is 6.1 times (513%) larger than Manchester's.
Largest metro area: New Hampshire's largest metropolitan area is Boston-Cambridge-Newton, MA-NH metro area (5,025,517 people) vs Oklahoma's Oklahoma City, OK metro area (1,497,821). Boston-Cambridge-Newton, MA-NH metro area's population is 3.4 times (236%) larger than Oklahoma City, OK metro area's.
History: New Hampshire: Admitted to the Union on June 21, 1788, as the 9th state. Oklahoma: Admitted to the Union on November 16, 1907, as the 46th state. In its current form, New Hampshire is the older of the two by 119 years.
New Hampshire vs Oklahoma Economy
GDP: New Hampshire's GDP is $119.3 billion (2024) vs Oklahoma's $263.7 billion. Oklahoma's economic output is 2.2 times (121%) larger than New Hampshire's.
GDP per capita: New Hampshire: $84,694 per person vs Oklahoma: $64,388. New Hampshire's GDP per capita is 1.3 times (32%) higher than Oklahoma's.
Average income: New Hampshire: $83,192 vs Oklahoma: $63,708 average income per person (per capita personal income). New Hampshire's average income is 1.3 times (31%) higher than Oklahoma's.
New Hampshire vs Oklahoma Counties
Number of counties: New Hampshire has 10 counties, while Oklahoma has 77. Oklahoma's county count is 7.7 times (670%) higher than New Hampshire's.
Biggest county by area: New Hampshire's largest county is Coos County at 1,795 square miles; Oklahoma's is Osage County at 2,247 square miles. Osage County's land area is 1.3 times (25%) larger than Coos County's.
Smallest county by area: New Hampshire: Strafford County (368 sq mi) vs Oklahoma: Marshall County (372 sq mi). Strafford County and Marshall County have about the same land area.
Most populous county: New Hampshire: Hillsborough County (430,462 people) vs Oklahoma: Oklahoma County (816,490 people). Oklahoma County's population is 1.9 times (90%) larger than Hillsborough County's.
Least populous county: New Hampshire: Coos County (31,094 people) vs Oklahoma: Cimarron County (2,133 people). Coos County's population is 14.6 times larger than Cimarron County's.
Richest county: New Hampshire: Rockingham County ($100,216 per capita income) vs Oklahoma: Washington County ($126,749). Washington County's income is 1.3 times (26%) richer than Rockingham County's.
Poorest county: New Hampshire: Coos County ($60,657 per capita income) vs Oklahoma: Atoka County ($38,709). Coos County's income is 1.6 times (57%) richer than Atoka County's.
New Hampshire vs Oklahoma Taxes
State income tax: New Hampshire has no state income tax, while Oklahoma has a top income tax rate of 4.5%. Oklahoma's top rate is 4.5 percentage points higher.
Property tax: New Hampshire: 1.46% effective rate vs Oklahoma: 0.75% of home value per year. New Hampshire's rate is 0.71 percentage points higher.
Sales tax: New Hampshire: 0% combined state and average local rate vs Oklahoma: 9.06%. Oklahoma's combined rate is 9.06 percentage points higher.
Official Websites
New Hampshire official website · Oklahoma official website
More Size Comparisons
All New Hampshire size comparisons · All Oklahoma 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.