The map above shows Colorado and Wyoming side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Colorado vs Wyoming Geography
Land area: Colorado has a land area of 103,637 square miles (268,419 km²), while Wyoming has 97,089 square miles (251,458 km²). Colorado's land area is 1.1 times (7%) larger than Wyoming's.
Total area: Colorado: 104,095 square miles (269,605 km²) vs Wyoming: 97,810 square miles (253,326 km²), including inland and coastal water. Colorado's total area is 1.1 times (6%) larger than Wyoming's.
Length: Colorado is 467 miles (751 km) long from north to south; Wyoming is 324 miles (522 km). Colorado's north-south length is 1.4 times (44%) longer than Wyoming's.
Width: Colorado spans 387 miles (622 km) east to west; Wyoming spans 410 miles (659 km). Wyoming's east-west width is 1.1 times (6%) wider than Colorado's.
Highest point: Colorado's highest point is Mount Elbert at 14,422 feet (4,396 m); Wyoming's is Gannett Peak at 13,788 feet (4,203 m). Mount Elbert is 634 feet higher than Gannett Peak.
Lowest point: Colorado's lowest point is Arikaree River at 3,326 feet; Wyoming's is Belle Fourche River at 3,108 feet. Wyoming's lowest point is 218 feet lower.
Colorado vs Wyoming Population and History
Population: Colorado has a population of 5,957,493 (2024), while Wyoming has 587,618 (2024). Colorado's population is 10.1 times larger than Wyoming's.
Population density: Colorado: 57.5 people per square mile vs Wyoming: 6.1. Colorado's population density is 9.4 times (843%) higher than Wyoming's.
Biggest city: Colorado's biggest city is Denver with 729,019 people; Wyoming's is Cheyenne with 65,704. Denver's population is 11.1 times larger than Cheyenne's.
Largest metro area: Colorado's largest metropolitan area is Denver-Aurora-Centennial, CO metro area (3,052,498 people) vs Wyoming's Cheyenne, WY metro area (101,783). Denver-Aurora-Centennial, CO metro area's population is 30.0 times larger than Cheyenne, WY metro area's.
History: Colorado: Admitted to the Union on August 1, 1876, as the 38th state. Wyoming: Admitted to the Union on July 10, 1890, as the 44th state. In its current form, Colorado is the older of the two by 14 years.
Colorado vs Wyoming Economy
GDP: Colorado's GDP is $557.6 billion (2024) vs Wyoming's $51.5 billion. Colorado's economic output is 10.8 times larger than Wyoming's.
GDP per capita: Colorado: $93,602 per person vs Wyoming: $87,639. Colorado's GDP per capita is 1.1 times (7%) higher than Wyoming's.
Average income: Colorado: $83,055 vs Wyoming: $86,477 average income per person (per capita personal income). Colorado and Wyoming have about the same average income.
Colorado vs Wyoming Counties
Number of counties: Colorado has 64 counties, while Wyoming has 23. Colorado's county count is 2.8 times (178%) higher than Wyoming's.
Biggest county by area: Colorado's largest county is Las Animas County at 4,773 square miles; Wyoming's is Sweetwater County at 10,427 square miles. Sweetwater County's land area is 2.2 times (118%) larger than Las Animas County's.
Smallest county by area: Colorado: Broomfield County (33 sq mi) vs Wyoming: Hot Springs County (2,004 sq mi). Hot Springs County's land area is 60.7 times larger than Broomfield County's.
Most populous county: Colorado: El Paso County (752,772 people) vs Wyoming: Laramie County (101,783 people). El Paso County's population is 7.4 times (640%) larger than Laramie County's.
Least populous county: Colorado: Hinsdale County (747 people) vs Wyoming: Niobrara County (2,301 people). Niobrara County's population is 3.1 times (208%) larger than Hinsdale County's.
Richest county: Colorado: Pitkin County ($275,044 per capita income) vs Wyoming: Teton County ($532,903). Teton County's income is 1.9 times (94%) richer than Pitkin County's.
Poorest county: Colorado: Crowley County ($27,232 per capita income) vs Wyoming: Uinta County ($50,370). Uinta County's income is 1.8 times (85%) richer than Crowley County's.
Colorado vs Wyoming Taxes
State income tax: Colorado has a top income tax rate of 4.4%, while Wyoming has no state income tax. Colorado's top rate is 4.4 percentage points higher.
Property tax: Colorado: 0.49% effective rate vs Wyoming: 0.57% of home value per year. Wyoming's rate is 0.08 percentage points higher.
Sales tax: Colorado: 7.89% combined state and average local rate vs Wyoming: 5.39%. Colorado's combined rate is 2.5 percentage points higher.
Official Websites
Colorado official website · Wyoming official website
More Size Comparisons
All Colorado 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.