The map above shows Connecticut and Ohio side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Connecticut vs Ohio Geography
Land area
- Connecticut has a land area of 4,843 square miles (12,542 km²), while Ohio has 40,859 square miles (105,824 km²).
- Ohio's land area is 8.4 times (744%) larger than Connecticut's.
Total area
- Connecticut: 5,544 square miles (14,358 km²) vs Ohio: 44,826 square miles (116,098 km²), including inland and coastal water.
- Ohio's total area is 8.1 times (709%) larger than Connecticut's.
Length
- Connecticut is 73 miles (118 km) long from north to south; Ohio is 291 miles (468 km).
- Ohio's north-south length is 4.0 times (299%) longer than Connecticut's.
Width
- Connecticut spans 104 miles (167 km) east to west; Ohio spans 317 miles (510 km).
- Ohio's east-west width is 3.0 times (205%) wider than Connecticut's.
Highest point
- Connecticut's highest point is Mount Frissell (south slope) at 2,376 feet (724 m); Ohio's is Campbell Hill at 1,547 feet (472 m).
- Mount Frissell (south slope) is 829 feet higher than Campbell Hill.
Lowest point
- Connecticut's lowest point is Long Island Sound at 0 feet; Ohio's is Ohio River at 455 feet.
- Connecticut's lowest point is 455 feet lower.
Connecticut vs Ohio Population and History
Population
- Connecticut has a population of 3,675,069 (2024), while Ohio has 11,883,304 (2024).
- Ohio's population is 3.2 times (223%) larger than Connecticut's.
Population density
- Connecticut: 758.9 people per square mile vs Ohio: 290.8.
- Connecticut's population density is 2.6 times (161%) higher than Ohio's.
Biggest city
- Connecticut's biggest city is Bridgeport with 151,599 people; Ohio's is Columbus with 933,263.
- Columbus' population is 6.2 times (516%) larger than Bridgeport's.
Largest metro area
- Connecticut's largest metropolitan area is Hartford-West Hartford-East Hartford, CT metro area (1,169,048 people) vs Ohio's Cincinnati, OH-KY-IN metro area (2,302,815).
- Cincinnati, OH-KY-IN metro area's population is 2.0 times (97%) larger than Hartford-West Hartford-East Hartford, CT metro area's.
History
- Connecticut: Admitted to the Union on January 9, 1788, as the 5th state.
- Ohio: Admitted to the Union on March 1, 1803, as the 17th state.
- In its current form, Connecticut is the older of the two by 15 years.
Connecticut vs Ohio Economy
GDP
- Connecticut's GDP is $356.8 billion (2024) vs Ohio's $923.1 billion.
- Ohio's economic output is 2.6 times (159%) larger than Connecticut's.
GDP per capita
- Connecticut: $97,096 per person vs Ohio: $77,684.
- Connecticut's GDP per capita is 1.2 times (25%) higher than Ohio's.
Average income
- Connecticut: $95,067 vs Ohio: $64,464 average income per person (per capita personal income).
- Connecticut's average income is 1.5 times (47%) higher than Ohio's.
Connecticut vs Ohio Counties
Number of counties
- Connecticut has 9 counties, while Ohio has 88.
- Ohio's county count is 9.8 times (878%) higher than Connecticut's.
Biggest county by area
- Connecticut's largest county is Capitol Planning Region at 1,027 square miles; Ohio's is Ashtabula County at 702 square miles.
- Capitol Planning Region's land area is 1.5 times (46%) larger than Ashtabula County's.
Smallest county by area
- Connecticut: Greater Bridgeport Planning Region (140 sq mi) vs Ohio: Lake County (229 sq mi).
- Lake County's land area is 1.6 times (64%) larger than Greater Bridgeport Planning Region's.
Most populous county
- Connecticut: Capitol Planning Region (991,508 people) vs Ohio: Franklin County (1,356,303 people).
- Franklin County's population is 1.4 times (37%) larger than Capitol Planning Region's.
Least populous county
- Connecticut: Northeastern Connecticut Planning Region (97,701 people) vs Ohio: Vinton County (12,545 people).
- Northeastern Connecticut Planning Region's population is 7.8 times (679%) larger than Vinton County's.
Richest county
- Connecticut: Western Connecticut Planning Region ($165,513 per capita income) vs Ohio: Delaware County ($96,573).
- Western Connecticut Planning Region's income is 1.7 times (71%) richer than Delaware County's.
Poorest county
- Connecticut: Southeastern Connecticut Planning Region ($64,845 per capita income) vs Ohio: Noble County ($34,940).
- Southeastern Connecticut Planning Region's income is 1.9 times (86%) richer than Noble County's.
Connecticut vs Ohio Taxes
State income tax
- Connecticut has a top income tax rate of 6.99%, while Ohio has a top income tax rate of 2.75%.
- Connecticut's top rate is 4.24 percentage points higher.
Property tax
- Connecticut: 1.66% effective rate vs Ohio: 1.22% of home value per year.
- Connecticut's rate is 0.44 percentage points higher.
Sales tax
- Connecticut: 6.35% combined state and average local rate vs Ohio: 7.29%.
- Ohio's combined rate is 0.94 percentage points higher.
Official Websites
Connecticut official website · Ohio official website
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More Size Comparisons
All Connecticut 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.