The map above shows Colorado and Missouri side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Colorado vs Missouri Geography
Land area: Colorado has a land area of 103,637 square miles (268,419 km²), while Missouri has 68,746 square miles (178,052 km²). Colorado's land area is 1.5 times (51%) larger than Missouri's.
Total area: Colorado: 104,095 square miles (269,605 km²) vs Missouri: 69,707 square miles (180,540 km²), including inland and coastal water. Colorado's total area is 1.5 times (49%) larger than Missouri's.
Length: Colorado is 467 miles (751 km) long from north to south; Missouri is 328 miles (529 km). Colorado's north-south length is 1.4 times (42%) longer than Missouri's.
Width: Colorado spans 387 miles (622 km) east to west; Missouri spans 437 miles (703 km). Missouri's east-west width is 1.1 times (13%) wider than Colorado's.
Highest point: Colorado's highest point is Mount Elbert at 14,422 feet (4,396 m); Missouri's is Taum Sauk Mountain at 1,771 feet (540 m). Mount Elbert is 12,651 feet higher than Taum Sauk Mountain.
Lowest point: Colorado's lowest point is Arikaree River at 3,326 feet; Missouri's is St. Francis River at 230 feet. Missouri's lowest point is 3,096 feet lower.
Colorado vs Missouri Population and History
Population: Colorado has a population of 5,957,493 (2024), while Missouri has 6,245,466 (2024). Missouri's population is 1.0 times (5%) larger than Colorado's.
Population density: Colorado: 57.5 people per square mile vs Missouri: 90.8. Missouri's population density is 1.6 times (58%) higher than Colorado's.
Biggest city: Colorado's biggest city is Denver with 729,019 people; Missouri's is Kansas City with 516,032. Denver's population is 1.4 times (41%) larger than Kansas City's.
Largest metro area: Colorado's largest metropolitan area is Denver-Aurora-Centennial, CO metro area (3,052,498 people) vs Missouri's St. Louis, MO-IL metro area (2,811,927). Denver-Aurora-Centennial, CO metro area's population is 1.1 times (9%) larger than St. Louis, MO-IL metro area's.
History: Colorado: Admitted to the Union on August 1, 1876, as the 38th state. Missouri: Admitted to the Union on August 10, 1821, as the 24th state. In its current form, Missouri is the older of the two by 55 years.
Colorado vs Missouri Economy
GDP: Colorado's GDP is $557.6 billion (2024) vs Missouri's $448.7 billion. Colorado's economic output is 1.2 times (24%) larger than Missouri's.
GDP per capita: Colorado: $93,602 per person vs Missouri: $71,846. Colorado's GDP per capita is 1.3 times (30%) higher than Missouri's.
Average income: Colorado: $83,055 vs Missouri: $64,920 average income per person (per capita personal income). Colorado's average income is 1.3 times (28%) higher than Missouri's.
Colorado vs Missouri Counties
Number of counties: Colorado has 64 counties, while Missouri has 115. Missouri's county count is 1.8 times (80%) higher than Colorado's.
Biggest county by area: Colorado's largest county is Las Animas County at 4,773 square miles; Missouri's is Texas County at 1,177 square miles. Las Animas County's land area is 4.1 times (305%) larger than Texas County's.
Smallest county by area: Colorado: Broomfield County (33 sq mi) vs Missouri: St. Louis city (62 sq mi). St. Louis city's land area is 1.9 times (87%) larger than Broomfield County's.
Most populous county: Colorado: El Paso County (752,772 people) vs Missouri: St. Louis County (992,929 people). St. Louis County's population is 1.3 times (32%) larger than El Paso County's.
Least populous county: Colorado: Hinsdale County (747 people) vs Missouri: Worth County (1,872 people). Worth County's population is 2.5 times (151%) larger than Hinsdale County's.
Richest county: Colorado: Pitkin County ($275,044 per capita income) vs Missouri: St. Louis County ($104,775). Pitkin County's income is 2.6 times (163%) richer than St. Louis County's.
Poorest county: Colorado: Crowley County ($27,232 per capita income) vs Missouri: Douglas County ($40,515). Douglas County's income is 1.5 times (49%) richer than Crowley County's.
Colorado vs Missouri Taxes
State income tax: Colorado has a top income tax rate of 4.4%, while Missouri has a top income tax rate of 4.7%. Missouri's top rate is 0.3 percentage points higher.
Property tax: Colorado: 0.49% effective rate vs Missouri: 0.79% of home value per year. Missouri's rate is 0.3 percentage points higher.
Sales tax: Colorado: 7.89% combined state and average local rate vs Missouri: 8.44%. Missouri's combined rate is 0.55 percentage points higher.
Official Websites
Colorado official website · Missouri official website
More Size Comparisons
All Colorado size comparisons · All Missouri 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.