The map above shows Colorado and Maryland side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Colorado vs Maryland Geography
Land area: Colorado has a land area of 103,637 square miles (268,419 km²), while Maryland has 9,711 square miles (25,151 km²). Colorado's land area is 10.7 times larger than Maryland's.
Total area: Colorado: 104,095 square miles (269,605 km²) vs Maryland: 12,406 square miles (32,131 km²), including inland and coastal water. Colorado's total area is 8.4 times (739%) larger than Maryland's.
Length: Colorado is 467 miles (751 km) long from north to south; Maryland is 231 miles (371 km). Colorado's north-south length is 2.0 times (102%) longer than Maryland's.
Width: Colorado spans 387 miles (622 km) east to west; Maryland spans 243 miles (391 km). Colorado's east-west width is 1.6 times (59%) wider than Maryland's.
Highest point: Colorado's highest point is Mount Elbert at 14,422 feet (4,396 m); Maryland's is Hoye-Crest at 3,362 feet (1,025 m). Mount Elbert is 11,060 feet higher than Hoye-Crest.
Lowest point: Colorado's lowest point is Arikaree River at 3,326 feet; Maryland's is Atlantic Ocean at 0 feet. Maryland's lowest point is 3,326 feet lower.
Colorado vs Maryland Population and History
Population: Colorado has a population of 5,957,493 (2024), while Maryland has 6,263,220 (2024). Maryland's population is 1.1 times (5%) larger than Colorado's.
Population density: Colorado: 57.5 people per square mile vs Maryland: 645.0. Maryland's population density is 11.2 times higher than Colorado's.
Biggest city: Colorado's biggest city is Denver with 729,019 people; Maryland's is Baltimore with 568,271. Denver's population is 1.3 times (28%) larger than Baltimore's.
Largest metro area: Colorado's largest metropolitan area is Denver-Aurora-Centennial, CO metro area (3,052,498 people) vs Maryland's Washington-Arlington-Alexandria, DC-VA-MD-WV metro area (6,436,489). Washington-Arlington-Alexandria, DC-VA-MD-WV metro area's population is 2.1 times (111%) larger than Denver-Aurora-Centennial, CO metro area's.
History: Colorado: Admitted to the Union on August 1, 1876, as the 38th state. Maryland: Admitted to the Union on April 28, 1788, as the 7th state. In its current form, Maryland is the older of the two by 88 years.
Colorado vs Maryland Economy
GDP: Colorado's GDP is $557.6 billion (2024) vs Maryland's $546.0 billion. Colorado and Maryland have about the same economic output.
GDP per capita: Colorado: $93,602 per person vs Maryland: $87,180. Colorado's GDP per capita is 1.1 times (7%) higher than Maryland's.
Average income: Colorado: $83,055 vs Maryland: $79,259 average income per person (per capita personal income). Colorado's average income is 1.0 times (5%) higher than Maryland's.
Colorado vs Maryland Counties
Number of counties: Colorado has 64 counties, while Maryland has 24. Colorado's county count is 2.7 times (167%) higher than Maryland's.
Biggest county by area: Colorado's largest county is Las Animas County at 4,773 square miles; Maryland's is Frederick County at 661 square miles. Las Animas County's land area is 7.2 times (623%) larger than Frederick County's.
Smallest county by area: Colorado: Broomfield County (33 sq mi) vs Maryland: Baltimore city (81 sq mi). Baltimore city's land area is 2.5 times (145%) larger than Broomfield County's.
Most populous county: Colorado: El Paso County (752,772 people) vs Maryland: Montgomery County (1,082,273 people). Montgomery County's population is 1.4 times (44%) larger than El Paso County's.
Least populous county: Colorado: Hinsdale County (747 people) vs Maryland: Kent County (19,557 people). Kent County's population is 26.2 times larger than Hinsdale County's.
Richest county: Colorado: Pitkin County ($275,044 per capita income) vs Maryland: Montgomery County ($104,882). Pitkin County's income is 2.6 times (162%) richer than Montgomery County's.
Poorest county: Colorado: Crowley County ($27,232 per capita income) vs Maryland: Somerset County ($41,421). Somerset County's income is 1.5 times (52%) richer than Crowley County's.
Colorado vs Maryland Taxes
State income tax: Colorado has a top income tax rate of 4.4%, while Maryland has a top income tax rate of 6.5%. Maryland's top rate is 2.1 percentage points higher.
Property tax: Colorado: 0.49% effective rate vs Maryland: 0.95% of home value per year. Maryland's rate is 0.46 percentage points higher.
Sales tax: Colorado: 7.89% combined state and average local rate vs Maryland: 6%. Colorado's combined rate is 1.89 percentage points higher.
Official Websites
Colorado official website · Maryland official website
More Size Comparisons
All Colorado size comparisons · All Maryland 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.