The map above shows Montana and Wyoming side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Montana vs Wyoming Geography
Land area
- Montana has a land area of 145,550 square miles (376,973 km²), while Wyoming has 97,089 square miles (251,458 km²).
- Montana's land area is 1.5 times (50%) larger than Wyoming's.
Total area
- Montana: 147,043 square miles (380,840 km²) vs Wyoming: 97,810 square miles (253,326 km²), including inland and coastal water.
- Montana's total area is 1.5 times (50%) larger than Wyoming's.
Length
- Montana is 319 miles (514 km) long from north to south; Wyoming is 324 miles (522 km).
- Montana and Wyoming have about the same north-south length.
Width
- Montana spans 607 miles (976 km) east to west; Wyoming spans 410 miles (659 km).
- Montana's east-west width is 1.5 times (48%) wider than Wyoming's.
Highest point
- Montana's highest point is Granite Peak at 12,767 feet (3,891 m); Wyoming's is Gannett Peak at 13,788 feet (4,203 m).
- Gannett Peak is 1,021 feet higher than Granite Peak.
Lowest point
- Montana's lowest point is Kootenai River at 1,805 feet; Wyoming's is Belle Fourche River at 3,108 feet.
- Montana's lowest point is 1,303 feet lower.
Montana vs Wyoming Population and History
Population
- Montana has a population of 1,137,233 (2024), while Wyoming has 587,618 (2024).
- Montana's population is 1.9 times (94%) larger than Wyoming's.
Population density
- Montana: 7.8 people per square mile vs Wyoming: 6.1.
- Montana's population density is 1.3 times (28%) higher than Wyoming's.
Biggest city
- Montana's biggest city is Billings with 121,483 people; Wyoming's is Cheyenne with 65,704.
- Billings' population is 1.8 times (85%) larger than Cheyenne's.
Largest metro area
- Montana's largest metropolitan area is Billings, MT metro area (192,531 people) vs Wyoming's Cheyenne, WY metro area (101,783).
- Billings, MT metro area's population is 1.9 times (89%) larger than Cheyenne, WY metro area's.
History
- Montana: Admitted to the Union on November 8, 1889, as the 41st state.
- Wyoming: Admitted to the Union on July 10, 1890, as the 44th state.
- In its current form, Montana is the older of the two by 1 years.
Montana vs Wyoming Economy
GDP
- Montana's GDP is $78.4 billion (2024) vs Wyoming's $51.5 billion.
- Montana's economic output is 1.5 times (52%) larger than Wyoming's.
GDP per capita
- Montana: $68,975 per person vs Wyoming: $87,639.
- Wyoming's GDP per capita is 1.3 times (27%) higher than Montana's.
Average income
- Montana: $69,240 vs Wyoming: $86,477 average income per person (per capita personal income).
- Wyoming's average income is 1.2 times (25%) higher than Montana's.
Montana vs Wyoming Counties
Number of counties
- Montana has 56 counties, while Wyoming has 23.
- Montana's county count is 2.4 times (143%) higher than Wyoming's.
Biggest county by area
- Montana's largest county is Beaverhead County at 5,543 square miles; Wyoming's is Sweetwater County at 10,427 square miles.
- Sweetwater County's land area is 1.9 times (88%) larger than Beaverhead County's.
Smallest county by area
- Montana: Silver Bow County (718 sq mi) vs Wyoming: Hot Springs County (2,004 sq mi).
- Hot Springs County's land area is 2.8 times (179%) larger than Silver Bow County's.
Most populous county
- Montana: Yellowstone County (171,583 people) vs Wyoming: Laramie County (101,783 people).
- Yellowstone County's population is 1.7 times (69%) larger than Laramie County's.
Least populous county
- Montana: Petroleum County (525 people) vs Wyoming: Niobrara County (2,301 people).
- Niobrara County's population is 4.4 times (338%) larger than Petroleum County's.
Richest county
- Montana: Gallatin County ($94,573 per capita income) vs Wyoming: Teton County ($532,903).
- Teton County's income is 5.6 times (463%) richer than Gallatin County's.
Poorest county
- Montana: Blaine County ($37,554 per capita income) vs Wyoming: Uinta County ($50,370).
- Uinta County's income is 1.3 times (34%) richer than Blaine County's.
Montana vs Wyoming Taxes
State income tax
- Montana has a top income tax rate of 5.65%, while Wyoming has no state income tax.
- Montana's top rate is 5.65 percentage points higher.
Property tax
- Montana: 0.69% effective rate vs Wyoming: 0.57% of home value per year.
- Montana's rate is 0.12 percentage points higher.
Sales tax
- Montana: 0% combined state and average local rate vs Wyoming: 5.39%.
- Wyoming's combined rate is 5.39 percentage points higher.
Official Websites
Montana official website · Wyoming official website
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More Size Comparisons
All Montana size comparisons · All Wyoming 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.