The map above shows Montana and Australian Capital Territory side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Montana vs Australian Capital Territory Geography
Land area
- Montana has a land area of 145,550 square miles (376,973 km²), while Australian Capital Territory has 910 square miles (2,358 km²).
- Montana's land area is 159.9 times larger than Australian Capital Territory's.
Total area
- Montana: 147,043 square miles (380,840 km²) vs Australian Capital Territory: 910 square miles (2,358 km²), including inland and coastal water.
- Montana's total area is 161.5 times larger than Australian Capital Territory's.
Length
- Montana is 319 miles (514 km) long from north to south; Australian Capital Territory is 54 miles (87 km).
- Montana's north-south length is 5.9 times (491%) longer than Australian Capital Territory's.
Width
- Montana spans 607 miles (976 km) east to west; Australian Capital Territory spans 38 miles (61 km).
- Montana's east-west width is 16.0 times wider than Australian Capital Territory's.
Highest point
- Montana's highest point is Granite Peak at 12,767 feet (3,891 m); Australian Capital Territory's is Bimberi Peak at 6,273 feet (1,912 m).
- Granite Peak is 6,494 feet higher than Bimberi Peak.
Lowest point
- Montana's lowest point is Kootenai River at 1,805 feet; Australian Capital Territory's is Molonglo River at 1,407 feet.
- Australian Capital Territory's lowest point is 398 feet lower.
Montana vs Australian Capital Territory Population and History
Population
- Montana has a population of 1,137,233 (2024), while Australian Capital Territory has 486,231 (2025).
- Montana's population is 2.3 times (134%) larger than Australian Capital Territory's.
Population density
- Montana: 7.8 people per square mile vs Australian Capital Territory: 534.3.
- Australian Capital Territory's population density is 68.5 times higher than Montana's.
Largest metro area
- Montana's largest metropolitan area is Billings, MT metro area (192,531 people) vs Australian Capital Territory's Greater Canberra (486,231).
- Greater Canberra's population is 2.5 times (153%) larger than Billings, MT metro area's.
History
- Montana: Admitted to the Union on November 8, 1889, as the 41st state.
- Australian Capital Territory: Established as the Federal Capital Territory on January 1, 1911.
- In its current form, Montana is the older of the two by 22 years.
Montana vs Australian Capital Territory Economy
GDP
- Montana's GDP is $78.4 billion (2024) vs Australian Capital Territory's $38.0 billion.
- Montana's economic output is 2.1 times (106%) larger than Australian Capital Territory's.
GDP per capita
- Montana: $68,975 per person vs Australian Capital Territory: $78,152.
- Australian Capital Territory's GDP per capita is 1.1 times (13%) higher than Montana's.
Official Websites
Montana official website · Australian Capital Territory official website
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More Size Comparisons
All Montana size comparisons · All Australian Capital Territory 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.