The map above shows Indiana and Ontario side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Indiana vs Ontario Geography
Land area
- Indiana has a land area of 35,825 square miles (92,787 km²), while Ontario has 354,342 square miles (917,741 km²).
- Ontario's land area is 9.9 times (889%) larger than Indiana's.
Total area
- Indiana: 36,421 square miles (94,331 km²) vs Ontario: 415,598 square miles (1,076,395 km²), including inland and coastal water.
- Ontario's total area is 11.4 times larger than Indiana's.
Length
- Indiana is 276 miles (444 km) long from north to south; Ontario is 1,085 miles (1,747 km).
- Ontario's north-south length is 3.9 times (293%) longer than Indiana's.
Width
- Indiana spans 193 miles (310 km) east to west; Ontario spans 1,013 miles (1,630 km).
- Ontario's east-west width is 5.2 times (425%) wider than Indiana's.
Highest point
- Indiana's highest point is Hoosier Hill at 1,255 feet (383 m); Ontario's is Ishpatina Ridge at 2,274 feet (693 m).
- Ishpatina Ridge is 1,019 feet higher than Hoosier Hill.
Lowest point
- Indiana's lowest point is Ohio River at 330 feet; Ontario's is Hudson Bay at 0 feet.
- Ontario's lowest point is 330 feet lower.
Indiana vs Ontario Population and History
Population
- Indiana has a population of 6,924,275 (2024), while Ontario has 16,136,480 (2026).
- Ontario's population is 2.3 times (133%) larger than Indiana's.
Population density
- Indiana: 193.3 people per square mile vs Ontario: 45.5.
- Indiana's population density is 4.2 times (325%) higher than Ontario's.
Biggest city
- Indiana's biggest city is Indianapolis with 891,484 people; Ontario's is Toronto with 2,794,356.
- Toronto's population is 3.1 times (213%) larger than Indianapolis'.
Largest metro area
- Indiana's largest metropolitan area is Chicago-Naperville-Elgin, IL-IN metro area (9,408,576 people) vs Ontario's Toronto CMA (6,202,225).
- Chicago-Naperville-Elgin, IL-IN metro area's population is 1.5 times (52%) larger than Toronto CMA's.
History
- Indiana: Admitted to the Union on December 11, 1816, as the 19th state.
- Ontario: Joined Confederation on July 1, 1867, as one of the four founding provinces.
- In its current form, Indiana is the older of the two by 51 years.
Indiana vs Ontario Economy
GDP
- Indiana's GDP is $519.5 billion (2024) vs Ontario's $873.9 billion.
- Ontario's economic output is 1.7 times (68%) larger than Indiana's.
GDP per capita
- Indiana: $75,028 per person vs Ontario: $54,132.
- Indiana's GDP per capita is 1.4 times (39%) higher than Ontario's.
Official Websites
Indiana official website · Ontario official website
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More Size Comparisons
All Indiana 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.