The map above shows Louisiana and Ontario side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Louisiana vs Ontario Geography
Land area
- Louisiana has a land area of 43,213 square miles (111,921 km²), while Ontario has 354,342 square miles (917,741 km²).
- Ontario's land area is 8.2 times (720%) larger than Louisiana's.
Total area
- Louisiana: 52,375 square miles (135,652 km²) vs Ontario: 415,598 square miles (1,076,395 km²), including inland and coastal water.
- Ontario's total area is 7.9 times (693%) larger than Louisiana's.
Length
- Louisiana is 301 miles (484 km) long from north to south; Ontario is 1,085 miles (1,747 km).
- Ontario's north-south length is 3.6 times (260%) longer than Louisiana's.
Width
- Louisiana spans 356 miles (574 km) east to west; Ontario spans 1,013 miles (1,630 km).
- Ontario's east-west width is 2.8 times (185%) wider than Louisiana's.
Highest point
- Louisiana's highest point is Driskill Mountain at 533 feet (162 m); Ontario's is Ishpatina Ridge at 2,274 feet (693 m).
- Ishpatina Ridge is 1,741 feet higher than Driskill Mountain.
Lowest point
- Louisiana's lowest point is New Orleans at -8 feet; Ontario's is Hudson Bay at 0 feet.
- Louisiana's lowest point is 8 feet lower.
Louisiana vs Ontario Population and History
Population
- Louisiana has a population of 4,597,740 (2024), while Ontario has 16,136,480 (2026).
- Ontario's population is 3.5 times (251%) larger than Louisiana's.
Population density
- Louisiana: 106.4 people per square mile vs Ontario: 45.5.
- Louisiana's population density is 2.3 times (134%) higher than Ontario's.
Biggest city
- Louisiana's biggest city is New Orleans with 362,701 people; Ontario's is Toronto with 2,794,356.
- Toronto's population is 7.7 times (670%) larger than New Orleans'.
Largest metro area
- Louisiana's largest metropolitan area is New Orleans-Metairie, LA metro area (966,230 people) vs Ontario's Toronto CMA (6,202,225).
- Toronto CMA's population is 6.4 times (542%) larger than New Orleans-Metairie, LA metro area's.
History
- Louisiana: Admitted to the Union on April 30, 1812, as the 18th state.
- Ontario: Joined Confederation on July 1, 1867, as one of the four founding provinces.
- In its current form, Louisiana is the older of the two by 55 years.
Louisiana vs Ontario Economy
GDP
- Louisiana's GDP is $329.2 billion (2024) vs Ontario's $873.9 billion.
- Ontario's economic output is 2.7 times (165%) larger than Louisiana's.
GDP per capita
- Louisiana: $71,594 per person vs Ontario: $54,132.
- Louisiana's GDP per capita is 1.3 times (32%) higher than Ontario's.
Official Websites
Louisiana official website · Ontario official website
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More Size Comparisons
All Louisiana 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.