The map above shows New York and Ontario side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
New York vs Ontario Geography
Land area: New York has a land area of 47,123 square miles (122,049 km²), while Ontario has 354,342 square miles (917,741 km²). Ontario's land area is 7.5 times (652%) larger than New York's.
Total area: New York: 54,559 square miles (141,306 km²) vs Ontario: 415,598 square miles (1,076,395 km²), including inland and coastal water. Ontario's total area is 7.6 times (662%) larger than New York's.
Length: New York is 312 miles (503 km) long from north to south; Ontario is 1,085 miles (1,747 km). Ontario's north-south length is 3.5 times (248%) longer than New York's.
Width: New York spans 415 miles (668 km) east to west; Ontario spans 1,013 miles (1,630 km). Ontario's east-west width is 2.4 times (144%) wider than New York's.
Highest point: New York's highest point is Mount Marcy at 5,335 feet (1,626 m); Ontario's is Ishpatina Ridge at 2,274 feet (693 m). Mount Marcy is 3,061 feet higher than Ishpatina Ridge.
Lowest point: New York'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 York vs Ontario Population and History
Population: New York has a population of 19,867,248 (2024), while Ontario has 16,136,480 (2026). New York's population is 1.2 times (23%) larger than Ontario's.
Population density: New York: 421.6 people per square mile vs Ontario: 45.5. New York's population density is 9.3 times (827%) higher than Ontario's.
Biggest city: New York's biggest city is New York with 8,478,072 people; Ontario's is Toronto with 2,794,356. New York's population is 3.0 times (203%) larger than Toronto's.
Largest metro area: New York's largest metropolitan area is New York-Newark-Jersey City, NY-NJ metro area (19,940,274 people) vs Ontario's Toronto CMA (6,202,225). New York-Newark-Jersey City, NY-NJ metro area's population is 3.2 times (222%) larger than Toronto CMA's.
History: New York: Admitted to the Union on July 26, 1788, as the 11th state. Ontario: Joined Confederation on July 1, 1867, as one of the four founding provinces. In its current form, New York is the older of the two by 79 years.
New York vs Ontario Economy
GDP: New York's GDP is $2,322.1 billion (2024) vs Ontario's $873.9 billion. New York's economic output is 2.7 times (166%) larger than Ontario's.
GDP per capita: New York: $116,883 per person vs Ontario: $54,132. New York's GDP per capita is 2.2 times (116%) higher than Ontario's.
Official Websites
New York official website · Ontario official website
More Size Comparisons
All New York 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.