The map above shows Colorado and Ohio side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Colorado vs Ohio Geography
Land area
- Colorado has a land area of 103,637 square miles (268,419 km²), while Ohio has 40,859 square miles (105,824 km²).
- Colorado's land area is 2.5 times (154%) larger than Ohio's.
Total area
- Colorado: 104,095 square miles (269,605 km²) vs Ohio: 44,826 square miles (116,098 km²), including inland and coastal water.
- Colorado's total area is 2.3 times (132%) larger than Ohio's.
Length
- Colorado is 467 miles (751 km) long from north to south; Ohio is 291 miles (468 km).
- Colorado's north-south length is 1.6 times (60%) longer than Ohio's.
Width
- Colorado spans 387 miles (622 km) east to west; Ohio spans 317 miles (510 km).
- Colorado's east-west width is 1.2 times (22%) wider than Ohio's.
Highest point
- Colorado's highest point is Mount Elbert at 14,422 feet (4,396 m); Ohio's is Campbell Hill at 1,547 feet (472 m).
- Mount Elbert is 12,875 feet higher than Campbell Hill.
Lowest point
- Colorado's lowest point is Arikaree River at 3,326 feet; Ohio's is Ohio River at 455 feet.
- Ohio's lowest point is 2,871 feet lower.
Colorado vs Ohio Population and History
Population
- Colorado has a population of 5,957,493 (2024), while Ohio has 11,883,304 (2024).
- Ohio's population is 2.0 times (99%) larger than Colorado's.
Population density
- Colorado: 57.5 people per square mile vs Ohio: 290.8.
- Ohio's population density is 5.1 times (406%) higher than Colorado's.
Biggest city
- Colorado's biggest city is Denver with 729,019 people; Ohio's is Columbus with 933,263.
- Columbus' population is 1.3 times (28%) larger than Denver's.
Largest metro area
- Colorado's largest metropolitan area is Denver-Aurora-Centennial, CO metro area (3,052,498 people) vs Ohio's Cincinnati, OH-KY-IN metro area (2,302,815).
- Denver-Aurora-Centennial, CO metro area's population is 1.3 times (33%) larger than Cincinnati, OH-KY-IN metro area's.
History
- Colorado: Admitted to the Union on August 1, 1876, as the 38th state.
- Ohio: Admitted to the Union on March 1, 1803, as the 17th state.
- In its current form, Ohio is the older of the two by 73 years.
Colorado vs Ohio Economy
GDP
- Colorado's GDP is $557.6 billion (2024) vs Ohio's $923.1 billion.
- Ohio's economic output is 1.7 times (66%) larger than Colorado's.
GDP per capita
- Colorado: $93,602 per person vs Ohio: $77,684.
- Colorado's GDP per capita is 1.2 times (20%) higher than Ohio's.
Average income
- Colorado: $83,055 vs Ohio: $64,464 average income per person (per capita personal income).
- Colorado's average income is 1.3 times (29%) higher than Ohio's.
Colorado vs Ohio Counties
Number of counties
- Colorado has 64 counties, while Ohio has 88.
- Ohio's county count is 1.4 times (38%) higher than Colorado's.
Biggest county by area
- Colorado's largest county is Las Animas County at 4,773 square miles; Ohio's is Ashtabula County at 702 square miles.
- Las Animas County's land area is 6.8 times (580%) larger than Ashtabula County's.
Smallest county by area
- Colorado: Broomfield County (33 sq mi) vs Ohio: Lake County (229 sq mi).
- Lake County's land area is 7.0 times (595%) larger than Broomfield County's.
Most populous county
- Colorado: El Paso County (752,772 people) vs Ohio: Franklin County (1,356,303 people).
- Franklin County's population is 1.8 times (80%) larger than El Paso County's.
Least populous county
- Colorado: Hinsdale County (747 people) vs Ohio: Vinton County (12,545 people).
- Vinton County's population is 16.8 times larger than Hinsdale County's.
Richest county
- Colorado: Pitkin County ($275,044 per capita income) vs Ohio: Delaware County ($96,573).
- Pitkin County's income is 2.8 times (185%) richer than Delaware County's.
Poorest county
- Colorado: Crowley County ($27,232 per capita income) vs Ohio: Noble County ($34,940).
- Noble County's income is 1.3 times (28%) richer than Crowley County's.
Colorado vs Ohio Taxes
State income tax
- Colorado has a top income tax rate of 4.4%, while Ohio has a top income tax rate of 2.75%.
- Colorado's top rate is 1.65 percentage points higher.
Property tax
- Colorado: 0.49% effective rate vs Ohio: 1.22% of home value per year.
- Ohio's rate is 0.73 percentage points higher.
Sales tax
- Colorado: 7.89% combined state and average local rate vs Ohio: 7.29%.
- Colorado's combined rate is 0.6 percentage points higher.
Official Websites
Colorado official website · Ohio official website
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More Size Comparisons
All Colorado size comparisons · All Ohio 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.