The map above shows Idaho and Rhode Island side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Idaho vs Rhode Island Geography
Land area
- Idaho has a land area of 82,645 square miles (214,051 km²), while Rhode Island has 1,034 square miles (2,678 km²).
- Idaho's land area is 79.9 times larger than Rhode Island's.
Total area
- Idaho: 83,569 square miles (216,441 km²) vs Rhode Island: 1,545 square miles (4,002 km²), including inland and coastal water.
- Idaho's total area is 54.1 times larger than Rhode Island's.
Length
- Idaho is 483 miles (778 km) long from north to south; Rhode Island is 61 miles (98 km).
- Idaho's north-south length is 7.9 times (692%) longer than Rhode Island's.
Width
- Idaho spans 352 miles (566 km) east to west; Rhode Island spans 42 miles (67 km).
- Idaho's east-west width is 8.4 times (738%) wider than Rhode Island's.
Highest point
- Idaho's highest point is Borah Peak at 12,631 feet (3,850 m); Rhode Island's is Jerimoth Hill at 811 feet (247 m).
- Borah Peak is 11,820 feet higher than Jerimoth Hill.
Lowest point
- Idaho's lowest point is Snake River at 718 feet; Rhode Island's is Atlantic Ocean at 0 feet.
- Rhode Island's lowest point is 718 feet lower.
Idaho vs Rhode Island Population and History
Population
- Idaho has a population of 2,001,619 (2024), while Rhode Island has 1,112,308 (2024).
- Idaho's population is 1.8 times (80%) larger than Rhode Island's.
Population density
- Idaho: 24.2 people per square mile vs Rhode Island: 1,075.8.
- Rhode Island's population density is 44.5 times higher than Idaho's.
Biggest city
- Idaho's biggest city is Boise with 237,963 people; Rhode Island's is Providence with 194,706.
- Boise's population is 1.2 times (22%) larger than Providence's.
Largest metro area
- Idaho's largest metropolitan area is Boise City, ID metro area (845,877 people) vs Rhode Island's Providence-Warwick, RI-MA metro area (1,700,901).
- Providence-Warwick, RI-MA metro area's population is 2.0 times (101%) larger than Boise City, ID metro area's.
History
- Idaho: Admitted to the Union on July 3, 1890, as the 43rd state.
- Rhode Island: Admitted to the Union on May 29, 1790, as the 13th state.
- In its current form, Rhode Island is the older of the two by 100 years.
Idaho vs Rhode Island Economy
GDP
- Idaho's GDP is $129.0 billion (2024) vs Rhode Island's $80.4 billion.
- Idaho's economic output is 1.6 times (60%) larger than Rhode Island's.
GDP per capita
- Idaho: $64,457 per person vs Rhode Island: $72,265.
- Rhode Island's GDP per capita is 1.1 times (12%) higher than Idaho's.
Average income
- Idaho: $62,323 vs Rhode Island: $70,622 average income per person (per capita personal income).
- Rhode Island's average income is 1.1 times (13%) higher than Idaho's.
Idaho vs Rhode Island Counties
Number of counties
- Idaho has 44 counties, while Rhode Island has 5.
- Idaho's county count is 8.8 times (780%) higher than Rhode Island's.
Biggest county by area
- Idaho's largest county is Idaho County at 8,478 square miles; Rhode Island's is Providence County at 410 square miles.
- Idaho County's land area is 20.7 times larger than Providence County's.
Smallest county by area
- Idaho: Payette County (407 sq mi) vs Rhode Island: Bristol County (24 sq mi).
- Payette County's land area is 16.9 times larger than Bristol County's.
Most populous county
- Idaho: Ada County (535,799 people) vs Rhode Island: Providence County (675,912 people).
- Providence County's population is 1.3 times (26%) larger than Ada County's.
Least populous county
- Idaho: Clark County (794 people) vs Rhode Island: Bristol County (50,145 people).
- Bristol County's population is 63.2 times larger than Clark County's.
Richest county
- Idaho: Blaine County ($202,612 per capita income) vs Rhode Island: Bristol County ($99,923).
- Blaine County's income is 2.0 times (103%) richer than Bristol County's.
Poorest county
- Idaho: Madison County ($29,485 per capita income) vs Rhode Island: Providence County ($61,040).
- Providence County's income is 2.1 times (107%) richer than Madison County's.
Idaho vs Rhode Island Taxes
State income tax
- Idaho has a top income tax rate of 5.3%, while Rhode Island has a top income tax rate of 5.99%.
- Rhode Island's top rate is 0.69 percentage points higher.
Property tax
- Idaho: 0.43% effective rate vs Rhode Island: 1.07% of home value per year.
- Rhode Island's rate is 0.64 percentage points higher.
Sales tax
- Idaho: 6.03% combined state and average local rate vs Rhode Island: 7%.
- Rhode Island's combined rate is 0.97 percentage points higher.
Official Websites
Idaho official website · Rhode Island official website
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More Size Comparisons
All Idaho size comparisons · All Rhode Island 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.