The map above shows New Hampshire and Ontario side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
New Hampshire vs Ontario Geography
Land area
- New Hampshire has a land area of 8,954 square miles (23,190 km²), while Ontario has 354,342 square miles (917,741 km²).
- Ontario's land area is 39.6 times larger than New Hampshire's.
Total area
- New Hampshire: 9,350 square miles (24,216 km²) vs Ontario: 415,598 square miles (1,076,395 km²), including inland and coastal water.
- Ontario's total area is 44.4 times larger than New Hampshire's.
Length
- New Hampshire is 180 miles (290 km) long from north to south; Ontario is 1,085 miles (1,747 km).
- Ontario's north-south length is 6.0 times (503%) longer than New Hampshire's.
Width
- New Hampshire spans 95 miles (152 km) east to west; Ontario spans 1,013 miles (1,630 km).
- Ontario's east-west width is 10.7 times wider than New Hampshire's.
Highest point
- New Hampshire's highest point is Mount Washington at 6,277 feet (1,913 m); Ontario's is Ishpatina Ridge at 2,274 feet (693 m).
- Mount Washington is 4,003 feet higher than Ishpatina Ridge.
Lowest point
- New Hampshire's lowest point is Atlantic Ocean at 0 feet; Ontario's is Hudson Bay at 0 feet.
- Both lowest points are at or near sea level.
New Hampshire vs Ontario Population and History
Population
- New Hampshire has a population of 1,409,032 (2024), while Ontario has 16,136,480 (2026).
- Ontario's population is 11.5 times larger than New Hampshire's.
Population density
- New Hampshire: 157.4 people per square mile vs Ontario: 45.5.
- New Hampshire's population density is 3.5 times (246%) higher than Ontario's.
Biggest city
- New Hampshire's biggest city is Manchester with 116,386 people; Ontario's is Toronto with 2,794,356.
- Toronto's population is 24.0 times 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 Ontario's Toronto CMA (6,202,225).
- Toronto CMA's population is 1.2 times (23%) larger than Boston-Cambridge-Newton, MA-NH metro area's.
History
- New Hampshire: Admitted to the Union on June 21, 1788, as the 9th state.
- Ontario: Joined Confederation on July 1, 1867, as one of the four founding provinces.
- In its current form, New Hampshire is the older of the two by 79 years.
New Hampshire vs Ontario Economy
GDP
- New Hampshire's GDP is $119.3 billion (2024) vs Ontario's $873.9 billion.
- Ontario's economic output is 7.3 times (633%) larger than New Hampshire's.
GDP per capita
- New Hampshire: $84,694 per person vs Ontario: $54,132.
- New Hampshire's GDP per capita is 1.6 times (56%) higher than Ontario's.
Official Websites
New Hampshire official website · Ontario official website
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More Size Comparisons
All New Hampshire size comparisons · All Ontario 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.