The map above shows Mississippi and Ontario side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Mississippi vs Ontario Geography
Land area
- Mississippi has a land area of 46,925 square miles (121,534 km²), while Ontario has 354,342 square miles (917,741 km²).
- Ontario's land area is 7.6 times (655%) larger than Mississippi's.
Total area
- Mississippi: 48,436 square miles (125,448 km²) vs Ontario: 415,598 square miles (1,076,395 km²), including inland and coastal water.
- Ontario's total area is 8.6 times (758%) larger than Mississippi's.
Length
- Mississippi is 337 miles (542 km) long from north to south; Ontario is 1,085 miles (1,747 km).
- Ontario's north-south length is 3.2 times (222%) longer than Mississippi's.
Width
- Mississippi spans 340 miles (547 km) east to west; Ontario spans 1,013 miles (1,630 km).
- Ontario's east-west width is 3.0 times (198%) wider than Mississippi's.
Highest point
- Mississippi's highest point is Woodall Mountain at 805 feet (245 m); Ontario's is Ishpatina Ridge at 2,274 feet (693 m).
- Ishpatina Ridge is 1,469 feet higher than Woodall Mountain.
Lowest point
- Mississippi's lowest point is Gulf of Mexico at 0 feet; Ontario's is Hudson Bay at 0 feet.
- Both lowest points are at or near sea level.
Mississippi vs Ontario Population and History
Population
- Mississippi has a population of 2,943,045 (2024), while Ontario has 16,136,480 (2026).
- Ontario's population is 5.5 times (448%) larger than Mississippi's.
Population density
- Mississippi: 62.7 people per square mile vs Ontario: 45.5.
- Mississippi's population density is 1.4 times (38%) higher than Ontario's.
Biggest city
- Mississippi's biggest city is Jackson with 141,449 people; Ontario's is Toronto with 2,794,356.
- Toronto's population is 19.8 times larger than Jackson's.
Largest metro area
- Mississippi's largest metropolitan area is Memphis, TN-MS-AR metro area (1,339,345 people) vs Ontario's Toronto CMA (6,202,225).
- Toronto CMA's population is 4.6 times (363%) larger than Memphis, TN-MS-AR metro area's.
History
- Mississippi: Admitted to the Union on December 10, 1817, as the 20th state.
- Ontario: Joined Confederation on July 1, 1867, as one of the four founding provinces.
- In its current form, Mississippi is the older of the two by 50 years.
Mississippi vs Ontario Economy
GDP
- Mississippi's GDP is $158.2 billion (2024) vs Ontario's $873.9 billion.
- Ontario's economic output is 5.5 times (452%) larger than Mississippi's.
GDP per capita
- Mississippi: $53,751 per person vs Ontario: $54,132.
- Mississippi and Ontario have about the same GDP per capita.
Official Websites
Mississippi official website · Ontario official website
Download the Mississippi vs Ontario Size Comparison Map for free
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More Size Comparisons
All Mississippi 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.