The map above shows Montana and Rhode Island side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Montana vs Rhode Island Geography
Land area: Montana has a land area of 145,550 square miles (376,973 km²), while Rhode Island has 1,034 square miles (2,678 km²). Montana's land area is 140.8 times larger than Rhode Island's.
Total area: Montana: 147,043 square miles (380,840 km²) vs Rhode Island: 1,545 square miles (4,002 km²), including inland and coastal water. Montana's total area is 95.2 times larger than Rhode Island's.
Length: Montana is 319 miles (514 km) long from north to south; Rhode Island is 61 miles (98 km). Montana's north-south length is 5.2 times (423%) longer than Rhode Island's.
Width: Montana spans 607 miles (976 km) east to west; Rhode Island spans 42 miles (67 km). Montana's east-west width is 14.5 times wider than Rhode Island's.
Highest point: Montana's highest point is Granite Peak at 12,767 feet (3,891 m); Rhode Island's is Jerimoth Hill at 811 feet (247 m). Granite Peak is 11,956 feet higher than Jerimoth Hill.
Lowest point: Montana's lowest point is Kootenai River at 1,805 feet; Rhode Island's is Atlantic Ocean at 0 feet. Rhode Island's lowest point is 1,805 feet lower.
Montana vs Rhode Island Population and History
Population: Montana has a population of 1,137,233 (2024), while Rhode Island has 1,112,308 (2024). Montana and Rhode Island have about the same population.
Population density: Montana: 7.8 people per square mile vs Rhode Island: 1,075.8. Rhode Island's population density is 137.9 times higher than Montana's.
Biggest city: Montana's biggest city is Billings with 121,483 people; Rhode Island's is Providence with 194,706. Providence's population is 1.6 times (60%) larger than Billings'.
Largest metro area: Montana's largest metropolitan area is Billings, MT metro area (192,531 people) vs Rhode Island's Providence-Warwick, RI-MA metro area (1,700,901). Providence-Warwick, RI-MA metro area's population is 8.8 times (783%) larger than Billings, MT metro area's.
History: Montana: Admitted to the Union on November 8, 1889, as the 41st 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 99 years.
Montana vs Rhode Island Economy
GDP: Montana's GDP is $78.4 billion (2024) vs Rhode Island's $80.4 billion. Montana and Rhode Island have about the same economic output.
GDP per capita: Montana: $68,975 per person vs Rhode Island: $72,265. Rhode Island's GDP per capita is 1.0 times (5%) higher than Montana's.
Average income: Montana: $69,240 vs Rhode Island: $70,622 average income per person (per capita personal income). Montana and Rhode Island have about the same average income.
Montana vs Rhode Island Counties
Number of counties: Montana has 56 counties, while Rhode Island has 5. Montana's county count is 11.2 times higher than Rhode Island's.
Biggest county by area: Montana's largest county is Beaverhead County at 5,543 square miles; Rhode Island's is Providence County at 410 square miles. Beaverhead County's land area is 13.5 times larger than Providence County's.
Smallest county by area: Montana: Silver Bow County (718 sq mi) vs Rhode Island: Bristol County (24 sq mi). Silver Bow County's land area is 29.8 times larger than Bristol County's.
Most populous county: Montana: Yellowstone County (171,583 people) vs Rhode Island: Providence County (675,912 people). Providence County's population is 3.9 times (294%) larger than Yellowstone County's.
Least populous county: Montana: Petroleum County (525 people) vs Rhode Island: Bristol County (50,145 people). Bristol County's population is 95.5 times larger than Petroleum County's.
Richest county: Montana: Gallatin County ($94,573 per capita income) vs Rhode Island: Bristol County ($99,923). Bristol County's income is 1.1 times (6%) richer than Gallatin County's.
Poorest county: Montana: Blaine County ($37,554 per capita income) vs Rhode Island: Providence County ($61,040). Providence County's income is 1.6 times (63%) richer than Blaine County's.
Montana vs Rhode Island Taxes
State income tax: Montana has a top income tax rate of 5.65%, while Rhode Island has a top income tax rate of 5.99%. Rhode Island's top rate is 0.34 percentage points higher.
Property tax: Montana: 0.69% effective rate vs Rhode Island: 1.07% of home value per year. Rhode Island's rate is 0.38 percentage points higher.
Sales tax: Montana: 0% combined state and average local rate vs Rhode Island: 7%. Rhode Island's combined rate is 7 percentage points higher.
Official Websites
Montana official website · Rhode Island official website
More Size Comparisons
All Montana 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.