The map above shows Montana and Guam side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Montana vs Guam Geography
Land area
- Montana has a land area of 145,550 square miles (376,973 km²), while Guam has 210 square miles (544 km²).
- Montana's land area is 693.0 times larger than Guam's.
Total area
- Montana: 147,043 square miles (380,840 km²) vs Guam: 210 square miles (544 km²), including inland and coastal water.
- Montana's total area is 700.1 times larger than Guam's.
Length
- Montana is 319 miles (514 km) long from north to south; Guam is 27 miles (43 km).
- Montana's north-south length is 11.8 times longer than Guam's.
Width
- Montana spans 607 miles (976 km) east to west; Guam spans 22 miles (35 km).
- Montana's east-west width is 27.6 times wider than Guam's.
Highest point
- Montana's highest point is Granite Peak at 12,767 feet (3,891 m); Guam's is Mount Lamlam at 1,332 feet (406 m).
- Granite Peak is 11,435 feet higher than Mount Lamlam.
Lowest point
- Montana's lowest point is Kootenai River at 1,805 feet; Guam's is Pacific Ocean at 0 feet.
- Guam's lowest point is 1,805 feet lower.
Montana vs Guam Population and History
Population
- Montana has a population of 1,137,233 (2024), while Guam has 153,836 (2020).
- Montana's population is 7.4 times (639%) larger than Guam's.
Population density
- Montana: 7.8 people per square mile vs Guam: 732.6.
- Guam's population density is 93.9 times higher than Montana's.
History
- Montana: Admitted to the Union on November 8, 1889, as the 41st state.
- Guam: A US territory since 1898.
- In its current form, Montana is the older of the two by 9 years.
Official Websites
Montana official website · Guam official website
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More Size Comparisons
All Montana size comparisons · All Guam 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.