The map above shows Montana and Prince Edward Island side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Montana vs Prince Edward Island Geography
Land area: Montana has a land area of 145,550 square miles (376,973 km²), while Prince Edward Island has 2,185 square miles (5,660 km²). Montana's land area is 66.6 times larger than Prince Edward Island's.
Total area: Montana: 147,043 square miles (380,840 km²) vs Prince Edward Island: 2,185 square miles (5,660 km²), including inland and coastal water. Montana's total area is 67.3 times larger than Prince Edward Island's.
Length: Montana is 319 miles (514 km) long from north to south; Prince Edward Island is 97 miles (157 km). Montana's north-south length is 3.3 times (229%) longer than Prince Edward Island's.
Width: Montana spans 607 miles (976 km) east to west; Prince Edward Island spans 117 miles (188 km). Montana's east-west width is 5.2 times (419%) wider than Prince Edward Island's.
Highest point: Montana's highest point is Granite Peak at 12,767 feet (3,891 m); Prince Edward Island's is Springton at 466 feet (142 m). Granite Peak is 12,301 feet higher than Springton.
Lowest point: Montana's lowest point is Kootenai River at 1,805 feet; Prince Edward Island's is Gulf of St. Lawrence at 0 feet. Prince Edward Island's lowest point is 1,805 feet lower.
Montana vs Prince Edward Island Population and History
Population: Montana has a population of 1,137,233 (2024), while Prince Edward Island has 182,001 (2026). Montana's population is 6.2 times (525%) larger than Prince Edward Island's.
Population density: Montana: 7.8 people per square mile vs Prince Edward Island: 83.3. Prince Edward Island's population density is 10.7 times higher than Montana's.
Biggest city: Montana's biggest city is Billings with 121,483 people; Prince Edward Island's is Charlottetown with 38,809. Billings' population is 3.1 times (213%) larger than Charlottetown's.
Largest metro area: Montana's largest metropolitan area is Billings, MT metro area (192,531 people) vs Prince Edward Island's Charlottetown CMA (78,858). Billings, MT metro area's population is 2.4 times (144%) larger than Charlottetown CMA's.
History: Montana: Admitted to the Union on November 8, 1889, as the 41st state. Prince Edward Island: Joined Confederation on July 1, 1873. In its current form, Prince Edward Island is the older of the two by 16 years.
Montana vs Prince Edward Island Economy
GDP: Montana's GDP is $78.4 billion (2024) vs Prince Edward Island's $8.0 billion. Montana's economic output is 9.8 times (880%) larger than Prince Edward Island's.
GDP per capita: Montana: $68,975 per person vs Prince Edward Island: $44,238. Montana's GDP per capita is 1.6 times (56%) higher than Prince Edward Island's.
Official Websites
Montana official website · Prince Edward Island official website
More Size Comparisons
All Montana size comparisons · All Prince Edward Island 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.