The map above shows Rhode Island and Ontario side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Rhode Island vs Ontario Geography
Land area
- Rhode Island has a land area of 1,034 square miles (2,678 km²), while Ontario has 354,342 square miles (917,741 km²).
- Ontario's land area is 342.7 times larger than Rhode Island's.
Total area
- Rhode Island: 1,545 square miles (4,002 km²) vs Ontario: 415,598 square miles (1,076,395 km²), including inland and coastal water.
- Ontario's total area is 269.0 times larger than Rhode Island's.
Length
- Rhode Island is 61 miles (98 km) long from north to south; Ontario is 1,085 miles (1,747 km).
- Ontario's north-south length is 17.8 times longer than Rhode Island's.
Width
- Rhode Island spans 42 miles (67 km) east to west; Ontario spans 1,013 miles (1,630 km).
- Ontario's east-west width is 24.1 times wider than Rhode Island's.
Highest point
- Rhode Island's highest point is Jerimoth Hill at 811 feet (247 m); Ontario's is Ishpatina Ridge at 2,274 feet (693 m).
- Ishpatina Ridge is 1,463 feet higher than Jerimoth Hill.
Lowest point
- Rhode Island'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.
Rhode Island vs Ontario Population and History
Population
- Rhode Island has a population of 1,112,308 (2024), while Ontario has 16,136,480 (2026).
- Ontario's population is 14.5 times larger than Rhode Island's.
Population density
- Rhode Island: 1,075.8 people per square mile vs Ontario: 45.5.
- Rhode Island's population density is 23.6 times higher than Ontario's.
Biggest city
- Rhode Island's biggest city is Providence with 194,706 people; Ontario's is Toronto with 2,794,356.
- Toronto's population is 14.4 times larger than Providence's.
Largest metro area
- Rhode Island's largest metropolitan area is Providence-Warwick, RI-MA metro area (1,700,901 people) vs Ontario's Toronto CMA (6,202,225).
- Toronto CMA's population is 3.6 times (265%) larger than Providence-Warwick, RI-MA metro area's.
History
- Rhode Island: Admitted to the Union on May 29, 1790, as the 13th state.
- Ontario: Joined Confederation on July 1, 1867, as one of the four founding provinces.
- In its current form, Rhode Island is the older of the two by 77 years.
Rhode Island vs Ontario Economy
GDP
- Rhode Island's GDP is $80.4 billion (2024) vs Ontario's $873.9 billion.
- Ontario's economic output is 10.9 times larger than Rhode Island's.
GDP per capita
- Rhode Island: $72,265 per person vs Ontario: $54,132.
- Rhode Island's GDP per capita is 1.3 times (33%) higher than Ontario's.
Official Websites
Rhode Island official website · Ontario official website
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More Size Comparisons
All Rhode Island 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.