The map above shows Montana and Northern Territory side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Montana vs Northern Territory Geography
Land area: Montana has a land area of 145,550 square miles (376,973 km²), while Northern Territory has 520,902 square miles (1,349,129 km²). Northern Territory's land area is 3.6 times (258%) larger than Montana's.
Total area: Montana: 147,043 square miles (380,840 km²) vs Northern Territory: 520,902 square miles (1,349,129 km²), including inland and coastal water. Northern Territory's total area is 3.5 times (254%) larger than Montana's.
Length: Montana is 319 miles (514 km) long from north to south; Northern Territory is 1,092 miles (1,758 km). Northern Territory's north-south length is 3.4 times (242%) longer than Montana's.
Width: Montana spans 607 miles (976 km) east to west; Northern Territory spans 610 miles (981 km). Montana and Northern Territory have about the same east-west width.
Highest point: Montana's highest point is Granite Peak at 12,767 feet (3,891 m); Northern Territory's is Mount Zeil at 5,023 feet (1,531 m). Granite Peak is 7,744 feet higher than Mount Zeil.
Lowest point: Montana's lowest point is Kootenai River at 1,805 feet; Northern Territory's is Timor Sea at 0 feet. Northern Territory's lowest point is 1,805 feet lower.
Montana vs Northern Territory Population and History
Population: Montana has a population of 1,137,233 (2024), while Northern Territory has 265,457 (2025). Montana's population is 4.3 times (328%) larger than Northern Territory's.
Population density: Montana: 7.8 people per square mile vs Northern Territory: 0.5. Montana's population density is 15.6 times higher than Northern Territory's.
Largest metro area: Montana's largest metropolitan area is Billings, MT metro area (192,531 people) vs Northern Territory's Greater Darwin (159,284). Billings, MT metro area's population is 1.2 times (21%) larger than Greater Darwin's.
History: Montana: Admitted to the Union on November 8, 1889, as the 41st state. Northern Territory: Became a federal territory on January 1, 1911; self-governing since 1978. In its current form, Montana is the older of the two by 22 years.
Montana vs Northern Territory Economy
GDP: Montana's GDP is $78.4 billion (2024) vs Northern Territory's $22.4 billion. Montana's economic output is 3.5 times (250%) larger than Northern Territory's.
GDP per capita: Montana: $68,975 per person vs Northern Territory: $84,383. Northern Territory's GDP per capita is 1.2 times (22%) higher than Montana's.
Official Websites
Montana official website · Northern Territory official website
More Size Comparisons
All Montana size comparisons · All Northern 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.