The map above shows Hawaii and Idaho side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Hawaii vs Idaho Geography
Land area
- Hawaii has a land area of 6,423 square miles (16,634 km²), while Idaho has 82,645 square miles (214,051 km²).
- Idaho's land area is 12.9 times larger than Hawaii's.
Total area
- Hawaii: 10,970 square miles (28,412 km²) vs Idaho: 83,569 square miles (216,441 km²), including inland and coastal water.
- Idaho's total area is 7.6 times (662%) larger than Hawaii's.
Length
- Hawaii is 333 miles (536 km) long from north to south; Idaho is 483 miles (778 km).
- Idaho's north-south length is 1.5 times (45%) longer than Hawaii's.
Width
- Hawaii spans 386 miles (621 km) east to west; Idaho spans 352 miles (566 km).
- Hawaii's east-west width is 1.1 times (10%) wider than Idaho's.
Highest point
- Hawaii's highest point is Mauna Kea at 13,795 feet (4,205 m); Idaho's is Borah Peak at 12,631 feet (3,850 m).
- Mauna Kea is 1,164 feet higher than Borah Peak.
Lowest point
- Hawaii's lowest point is Pacific Ocean at 0 feet; Idaho's is Snake River at 718 feet.
- Hawaii's lowest point is 718 feet lower.
Hawaii vs Idaho Population and History
Population
- Hawaii has a population of 1,446,146 (2024), while Idaho has 2,001,619 (2024).
- Idaho's population is 1.4 times (38%) larger than Hawaii's.
Population density
- Hawaii: 225.2 people per square mile vs Idaho: 24.2.
- Hawaii's population density is 9.3 times (831%) higher than Idaho's.
Biggest city
- Hawaii's biggest city is Honolulu with 344,967 people; Idaho's is Boise with 237,963.
- Honolulu's population is 1.4 times (45%) larger than Boise's.
Largest metro area
- Hawaii's largest metropolitan area is Urban Honolulu, HI metro area (998,747 people) vs Idaho's Boise City, ID metro area (845,877).
- Urban Honolulu, HI metro area's population is 1.2 times (18%) larger than Boise City, ID metro area's.
History
- Hawaii: Admitted to the Union on August 21, 1959, as the 50th state.
- Idaho: Admitted to the Union on July 3, 1890, as the 43rd state.
- In its current form, Idaho is the older of the two by 69 years.
Hawaii vs Idaho Economy
GDP
- Hawaii's GDP is $117.6 billion (2024) vs Idaho's $129.0 billion.
- Idaho's economic output is 1.1 times (10%) larger than Hawaii's.
GDP per capita
- Hawaii: $81,339 per person vs Idaho: $64,457.
- Hawaii's GDP per capita is 1.3 times (26%) higher than Idaho's.
Average income
- Hawaii: $71,019 vs Idaho: $62,323 average income per person (per capita personal income).
- Hawaii's average income is 1.1 times (14%) higher than Idaho's.
Hawaii vs Idaho Counties
Number of counties
- Hawaii has 5 counties, while Idaho has 44.
- Idaho's county count is 8.8 times (780%) higher than Hawaii's.
Biggest county by area
- Hawaii's largest county is Hawaii County at 4,028 square miles; Idaho's is Idaho County at 8,478 square miles.
- Idaho County's land area is 2.1 times (110%) larger than Hawaii County's.
Smallest county by area
- Hawaii: Kalawao County (12 sq mi) vs Idaho: Payette County (407 sq mi).
- Payette County's land area is 33.9 times larger than Kalawao County's.
Most populous county
- Hawaii: Honolulu County (998,747 people) vs Idaho: Ada County (535,799 people).
- Honolulu County's population is 1.9 times (86%) larger than Ada County's.
Least populous county
- Hawaii: Kalawao County (81 people) vs Idaho: Clark County (794 people).
- Clark County's population is 9.8 times (880%) larger than Kalawao County's.
Richest county
- Hawaii: Honolulu County ($74,681 per capita income) vs Idaho: Blaine County ($202,612).
- Blaine County's income is 2.7 times (171%) richer than Honolulu County's.
Poorest county
- Hawaii: Hawaii County ($57,694 per capita income) vs Idaho: Madison County ($29,485).
- Hawaii County's income is 2.0 times (96%) richer than Madison County's.
Hawaii vs Idaho Taxes
State income tax
- Hawaii has a top income tax rate of 11%, while Idaho has a top income tax rate of 5.3%.
- Hawaii's top rate is 5.7 percentage points higher.
Property tax
- Hawaii: 0.27% effective rate vs Idaho: 0.43% of home value per year.
- Idaho's rate is 0.16 percentage points higher.
Sales tax
- Hawaii: 4.5% combined state and average local rate vs Idaho: 6.03%.
- Idaho's combined rate is 1.53 percentage points higher.
Official Websites
Hawaii official website · Idaho official website
Download the Hawaii vs Idaho Size Comparison Map for free
To download the map, right-click the image above (or press and hold on a phone or tablet) and choose Save image as. The map is free to use anywhere, including on your own website or in print, as long as you credit it with a link back to this page or to BrilliantMaps.com.
More Size Comparisons
All Hawaii size comparisons · All Idaho 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.