The map above shows Idaho and Australian Capital Territory side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Idaho vs Australian Capital Territory Geography
Land area
- Idaho has a land area of 82,645 square miles (214,051 km²), while Australian Capital Territory has 910 square miles (2,358 km²).
- Idaho's land area is 90.8 times larger than Australian Capital Territory's.
Total area
- Idaho: 83,569 square miles (216,441 km²) vs Australian Capital Territory: 910 square miles (2,358 km²), including inland and coastal water.
- Idaho's total area is 91.8 times larger than Australian Capital Territory's.
Length
- Idaho is 483 miles (778 km) long from north to south; Australian Capital Territory is 54 miles (87 km).
- Idaho's north-south length is 8.9 times (794%) longer than Australian Capital Territory's.
Width
- Idaho spans 352 miles (566 km) east to west; Australian Capital Territory spans 38 miles (61 km).
- Idaho's east-west width is 9.3 times (826%) wider than Australian Capital Territory's.
Highest point
- Idaho's highest point is Borah Peak at 12,631 feet (3,850 m); Australian Capital Territory's is Bimberi Peak at 6,273 feet (1,912 m).
- Borah Peak is 6,358 feet higher than Bimberi Peak.
Lowest point
- Idaho's lowest point is Snake River at 718 feet; Australian Capital Territory's is Molonglo River at 1,407 feet.
- Idaho's lowest point is 689 feet lower.
Idaho vs Australian Capital Territory Population and History
Population
- Idaho has a population of 2,001,619 (2024), while Australian Capital Territory has 486,231 (2025).
- Idaho's population is 4.1 times (312%) larger than Australian Capital Territory's.
Population density
- Idaho: 24.2 people per square mile vs Australian Capital Territory: 534.3.
- Australian Capital Territory's population density is 22.1 times higher than Idaho's.
Largest metro area
- Idaho's largest metropolitan area is Boise City, ID metro area (845,877 people) vs Australian Capital Territory's Greater Canberra (486,231).
- Boise City, ID metro area's population is 1.7 times (74%) larger than Greater Canberra's.
History
- Idaho: Admitted to the Union on July 3, 1890, as the 43rd state.
- Australian Capital Territory: Established as the Federal Capital Territory on January 1, 1911.
- In its current form, Idaho is the older of the two by 21 years.
Idaho vs Australian Capital Territory Economy
GDP
- Idaho's GDP is $129.0 billion (2024) vs Australian Capital Territory's $38.0 billion.
- Idaho's economic output is 3.4 times (239%) larger than Australian Capital Territory's.
GDP per capita
- Idaho: $64,457 per person vs Australian Capital Territory: $78,152.
- Australian Capital Territory's GDP per capita is 1.2 times (21%) higher than Idaho's.
Official Websites
Idaho official website · Australian Capital Territory official website
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More Size Comparisons
All Idaho 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.