The map above shows Texas and Ontario side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Texas vs Ontario Geography
Land area: Texas has a land area of 261,259 square miles (676,657 km²), while Ontario has 354,342 square miles (917,741 km²). Ontario's land area is 1.4 times (36%) larger than Texas'.
Total area: Texas: 268,599 square miles (695,668 km²) vs Ontario: 415,598 square miles (1,076,395 km²), including inland and coastal water. Ontario's total area is 1.5 times (55%) larger than Texas'.
Length: Texas is 808 miles (1,300 km) long from north to south; Ontario is 1,085 miles (1,747 km). Ontario's north-south length is 1.3 times (34%) longer than Texas'.
Width: Texas spans 777 miles (1,250 km) east to west; Ontario spans 1,013 miles (1,630 km). Ontario's east-west width is 1.3 times (30%) wider than Texas'.
Highest point: Texas's highest point is Guadalupe Peak at 8,730 feet (2,661 m); Ontario's is Ishpatina Ridge at 2,274 feet (693 m). Guadalupe Peak is 6,456 feet higher than Ishpatina Ridge.
Lowest point: Texas'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.
Texas vs Ontario Population and History
Population: Texas has a population of 31,290,831 (2024), while Ontario has 16,136,480 (2026). Texas' population is 1.9 times (94%) larger than Ontario's.
Population density: Texas: 119.8 people per square mile vs Ontario: 45.5. Texas' population density is 2.6 times (163%) higher than Ontario's.
Biggest city: Texas's biggest city is Houston with 2,390,125 people; Ontario's is Toronto with 2,794,356. Toronto's population is 1.2 times (17%) larger than Houston's.
Largest metro area: Texas's largest metropolitan area is Dallas-Fort Worth-Arlington, TX metro area (8,344,032 people) vs Ontario's Toronto CMA (6,202,225). Dallas-Fort Worth-Arlington, TX metro area's population is 1.3 times (35%) larger than Toronto CMA's.
History: Texas: Admitted to the Union on December 29, 1845, as the 28th state. Ontario: Joined Confederation on July 1, 1867, as one of the four founding provinces. In its current form, Texas is the older of the two by 22 years.
Texas vs Ontario Economy
GDP: Texas's GDP is $2,769.8 billion (2024) vs Ontario's $873.9 billion. Texas' economic output is 3.2 times (217%) larger than Ontario's.
GDP per capita: Texas: $88,517 per person vs Ontario: $54,132. Texas' GDP per capita is 1.6 times (64%) higher than Ontario's.
Official Websites
Texas official website · Ontario official website
More Size Comparisons
All Texas 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.