The map above shows Colorado and Connecticut side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Colorado vs Connecticut Geography
Land area: Colorado has a land area of 103,637 square miles (268,419 km²), while Connecticut has 4,843 square miles (12,542 km²). Colorado's land area is 21.4 times larger than Connecticut's.
Total area: Colorado: 104,095 square miles (269,605 km²) vs Connecticut: 5,544 square miles (14,358 km²), including inland and coastal water. Colorado's total area is 18.8 times larger than Connecticut's.
Length: Colorado is 467 miles (751 km) long from north to south; Connecticut is 73 miles (118 km). Colorado's north-south length is 6.4 times (540%) longer than Connecticut's.
Width: Colorado spans 387 miles (622 km) east to west; Connecticut spans 104 miles (167 km). Colorado's east-west width is 3.7 times (272%) wider than Connecticut's.
Highest point: Colorado's highest point is Mount Elbert at 14,422 feet (4,396 m); Connecticut's is Mount Frissell (south slope) at 2,376 feet (724 m). Mount Elbert is 12,046 feet higher than Mount Frissell (south slope).
Lowest point: Colorado's lowest point is Arikaree River at 3,326 feet; Connecticut's is Long Island Sound at 0 feet. Connecticut's lowest point is 3,326 feet lower.
Colorado vs Connecticut Population and History
Population: Colorado has a population of 5,957,493 (2024), while Connecticut has 3,675,069 (2024). Colorado's population is 1.6 times (62%) larger than Connecticut's.
Population density: Colorado: 57.5 people per square mile vs Connecticut: 758.9. Connecticut's population density is 13.2 times higher than Colorado's.
Biggest city: Colorado's biggest city is Denver with 729,019 people; Connecticut's is Bridgeport with 151,599. Denver's population is 4.8 times (381%) larger than Bridgeport's.
Largest metro area: Colorado's largest metropolitan area is Denver-Aurora-Centennial, CO metro area (3,052,498 people) vs Connecticut's Hartford-West Hartford-East Hartford, CT metro area (1,169,048). Denver-Aurora-Centennial, CO metro area's population is 2.6 times (161%) larger than Hartford-West Hartford-East Hartford, CT metro area's.
History: Colorado: Admitted to the Union on August 1, 1876, as the 38th state. Connecticut: Admitted to the Union on January 9, 1788, as the 5th state. In its current form, Connecticut is the older of the two by 88 years.
Colorado vs Connecticut Economy
GDP: Colorado's GDP is $557.6 billion (2024) vs Connecticut's $356.8 billion. Colorado's economic output is 1.6 times (56%) larger than Connecticut's.
GDP per capita: Colorado: $93,602 per person vs Connecticut: $97,096. Colorado and Connecticut have about the same GDP per capita.
Average income: Colorado: $83,055 vs Connecticut: $95,067 average income per person (per capita personal income). Connecticut's average income is 1.1 times (14%) higher than Colorado's.
Colorado vs Connecticut Counties
Number of counties: Colorado has 64 counties, while Connecticut has 9. Colorado's county count is 7.1 times (611%) higher than Connecticut's.
Biggest county by area: Colorado's largest county is Las Animas County at 4,773 square miles; Connecticut's is Capitol Planning Region at 1,027 square miles. Las Animas County's land area is 4.6 times (365%) larger than Capitol Planning Region's.
Smallest county by area: Colorado: Broomfield County (33 sq mi) vs Connecticut: Greater Bridgeport Planning Region (140 sq mi). Greater Bridgeport Planning Region's land area is 4.2 times (325%) larger than Broomfield County's.
Most populous county: Colorado: El Paso County (752,772 people) vs Connecticut: Capitol Planning Region (991,508 people). Capitol Planning Region's population is 1.3 times (32%) larger than El Paso County's.
Least populous county: Colorado: Hinsdale County (747 people) vs Connecticut: Northeastern Connecticut Planning Region (97,701 people). Northeastern Connecticut Planning Region's population is 130.8 times larger than Hinsdale County's.
Richest county: Colorado: Pitkin County ($275,044 per capita income) vs Connecticut: Western Connecticut Planning Region ($165,513). Pitkin County's income is 1.7 times (66%) richer than Western Connecticut Planning Region's.
Poorest county: Colorado: Crowley County ($27,232 per capita income) vs Connecticut: Southeastern Connecticut Planning Region ($64,845). Southeastern Connecticut Planning Region's income is 2.4 times (138%) richer than Crowley County's.
Colorado vs Connecticut Taxes
State income tax: Colorado has a top income tax rate of 4.4%, while Connecticut has a top income tax rate of 6.99%. Connecticut's top rate is 2.59 percentage points higher.
Property tax: Colorado: 0.49% effective rate vs Connecticut: 1.66% of home value per year. Connecticut's rate is 1.17 percentage points higher.
Sales tax: Colorado: 7.89% combined state and average local rate vs Connecticut: 6.35%. Colorado's combined rate is 1.54 percentage points higher.
Official Websites
Colorado official website · Connecticut official website
More Size Comparisons
All Colorado size comparisons · All Connecticut 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.