The map above shows Colorado and Utah side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Colorado vs Utah Geography
Land area: Colorado has a land area of 103,637 square miles (268,419 km²), while Utah has 82,596 square miles (213,922 km²). Colorado's land area is 1.3 times (25%) larger than Utah's.
Total area: Colorado: 104,095 square miles (269,605 km²) vs Utah: 84,898 square miles (219,885 km²), including inland and coastal water. Colorado's total area is 1.2 times (23%) larger than Utah's.
Length: Colorado is 467 miles (751 km) long from north to south; Utah is 436 miles (702 km). Colorado's north-south length is 1.1 times (7%) longer than Utah's.
Width: Colorado spans 387 miles (622 km) east to west; Utah spans 268 miles (431 km). Colorado's east-west width is 1.4 times (44%) wider than Utah's.
Highest point: Colorado's highest point is Mount Elbert at 14,422 feet (4,396 m); Utah's is Kings Peak at 13,512 feet (4,118 m). Mount Elbert is 910 feet higher than Kings Peak.
Lowest point: Colorado's lowest point is Arikaree River at 3,326 feet; Utah's is Beaver Dam Wash at 2,180 feet. Utah's lowest point is 1,146 feet lower.
Colorado vs Utah Population and History
Population: Colorado has a population of 5,957,493 (2024), while Utah has 3,503,613 (2024). Colorado's population is 1.7 times (70%) larger than Utah's.
Population density: Colorado: 57.5 people per square mile vs Utah: 42.4. Colorado's population density is 1.4 times (36%) higher than Utah's.
Biggest city: Colorado's biggest city is Denver with 729,019 people; Utah's is Salt Lake City with 217,783. Denver's population is 3.3 times (235%) larger than Salt Lake City's.
Largest metro area: Colorado's largest metropolitan area is Denver-Aurora-Centennial, CO metro area (3,052,498 people) vs Utah's Salt Lake City-Murray, UT metro area (1,300,762). Denver-Aurora-Centennial, CO metro area's population is 2.3 times (135%) larger than Salt Lake City-Murray, UT metro area's.
History: Colorado: Admitted to the Union on August 1, 1876, as the 38th state. Utah: Admitted to the Union on January 4, 1896, as the 45th state. In its current form, Colorado is the older of the two by 20 years.
Colorado vs Utah Economy
GDP: Colorado's GDP is $557.6 billion (2024) vs Utah's $299.5 billion. Colorado's economic output is 1.9 times (86%) larger than Utah's.
GDP per capita: Colorado: $93,602 per person vs Utah: $85,475. Colorado's GDP per capita is 1.1 times (10%) higher than Utah's.
Average income: Colorado: $83,055 vs Utah: $67,333 average income per person (per capita personal income). Colorado's average income is 1.2 times (23%) higher than Utah's.
Colorado vs Utah Counties
Number of counties: Colorado has 64 counties, while Utah has 29. Colorado's county count is 2.2 times (121%) higher than Utah's.
Biggest county by area: Colorado's largest county is Las Animas County at 4,773 square miles; Utah's is San Juan County at 7,824 square miles. San Juan County's land area is 1.6 times (64%) larger than Las Animas County's.
Smallest county by area: Colorado: Broomfield County (33 sq mi) vs Utah: Davis County (325 sq mi). Davis County's land area is 9.8 times (884%) larger than Broomfield County's.
Most populous county: Colorado: El Paso County (752,772 people) vs Utah: Salt Lake County (1,216,274 people). Salt Lake County's population is 1.6 times (62%) larger than El Paso County's.
Least populous county: Colorado: Hinsdale County (747 people) vs Utah: Daggett County (956 people). Daggett County's population is 1.3 times (28%) larger than Hinsdale County's.
Richest county: Colorado: Pitkin County ($275,044 per capita income) vs Utah: Summit County ($280,510). Pitkin County and Summit County have about the same income.
Poorest county: Colorado: Crowley County ($27,232 per capita income) vs Utah: Beaver County ($39,179). Beaver County's income is 1.4 times (44%) richer than Crowley County's.
Colorado vs Utah Taxes
State income tax: Colorado has a top income tax rate of 4.4%, while Utah has a top income tax rate of 4.5%. Utah's top rate is 0.1 percentage points higher.
Property tax: Colorado: 0.49% effective rate vs Utah: 0.49% of home value per year. The two are essentially equal.
Sales tax: Colorado: 7.89% combined state and average local rate vs Utah: 7.42%. Colorado's combined rate is 0.47 percentage points higher.
Official Websites
Colorado official website · Utah official website
More Size Comparisons
All Colorado size comparisons · All Utah 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.