The map above shows Maine and Ohio side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Maine vs Ohio Geography
Land area: Maine has a land area of 30,845 square miles (79,888 km²), while Ohio has 40,859 square miles (105,824 km²). Ohio's land area is 1.3 times (32%) larger than Maine's.
Total area: Maine: 35,380 square miles (91,634 km²) vs Ohio: 44,826 square miles (116,098 km²), including inland and coastal water. Ohio's total area is 1.3 times (27%) larger than Maine's.
Length: Maine is 311 miles (501 km) long from north to south; Ohio is 291 miles (468 km). Maine's north-south length is 1.1 times (7%) longer than Ohio's.
Width: Maine spans 203 miles (327 km) east to west; Ohio spans 317 miles (510 km). Ohio's east-west width is 1.6 times (56%) wider than Maine's.
Highest point: Maine's highest point is Mount Katahdin at 5,253 feet (1,601 m); Ohio's is Campbell Hill at 1,547 feet (472 m). Mount Katahdin is 3,706 feet higher than Campbell Hill.
Lowest point: Maine's lowest point is Atlantic Ocean at 0 feet; Ohio's is Ohio River at 455 feet. Maine's lowest point is 455 feet lower.
Maine vs Ohio Population and History
Population: Maine has a population of 1,405,012 (2024), while Ohio has 11,883,304 (2024). Ohio's population is 8.5 times (746%) larger than Maine's.
Population density: Maine: 45.6 people per square mile vs Ohio: 290.8. Ohio's population density is 6.4 times (538%) higher than Maine's.
Biggest city: Maine's biggest city is Portland with 69,568 people; Ohio's is Columbus with 933,263. Columbus' population is 13.4 times larger than Portland's.
Largest metro area: Maine's largest metropolitan area is Portland-South Portland, ME metro area (571,534 people) vs Ohio's Cincinnati, OH-KY-IN metro area (2,302,815). Cincinnati, OH-KY-IN metro area's population is 4.0 times (303%) larger than Portland-South Portland, ME metro area's.
History: Maine: Admitted to the Union on March 15, 1820, as the 23rd 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 17 years.
Maine vs Ohio Economy
GDP: Maine's GDP is $99.2 billion (2024) vs Ohio's $923.1 billion. Ohio's economic output is 9.3 times (831%) larger than Maine's.
GDP per capita: Maine: $70,586 per person vs Ohio: $77,684. Ohio's GDP per capita is 1.1 times (10%) higher than Maine's.
Average income: Maine: $68,932 vs Ohio: $64,464 average income per person (per capita personal income). Maine's average income is 1.1 times (7%) higher than Ohio's.
Maine vs Ohio Counties
Number of counties: Maine has 16 counties, while Ohio has 88. Ohio's county count is 5.5 times (450%) higher than Maine's.
Biggest county by area: Maine's largest county is Aroostook County at 6,671 square miles; Ohio's is Ashtabula County at 702 square miles. Aroostook County's land area is 9.5 times (850%) larger than Ashtabula County's.
Smallest county by area: Maine: Sagadahoc County (254 sq mi) vs Ohio: Lake County (229 sq mi). Sagadahoc County's land area is 1.1 times (11%) larger than Lake County's.
Most populous county: Maine: Cumberland County (313,809 people) vs Ohio: Franklin County (1,356,303 people). Franklin County's population is 4.3 times (332%) larger than Cumberland County's.
Least populous county: Maine: Piscataquis County (17,432 people) vs Ohio: Vinton County (12,545 people). Piscataquis County's population is 1.4 times (39%) larger than Vinton County's.
Richest county: Maine: Cumberland County ($90,142 per capita income) vs Ohio: Delaware County ($96,573). Delaware County's income is 1.1 times (7%) richer than Cumberland County's.
Poorest county: Maine: Franklin County ($52,725 per capita income) vs Ohio: Noble County ($34,940). Franklin County's income is 1.5 times (51%) richer than Noble County's.
Maine vs Ohio Taxes
State income tax: Maine has a top income tax rate of 7.15%, while Ohio has a top income tax rate of 2.75%. Maine's top rate is 4.4 percentage points higher.
Property tax: Maine: 0.91% effective rate vs Ohio: 1.22% of home value per year. Ohio's rate is 0.31 percentage points higher.
Sales tax: Maine: 5.5% combined state and average local rate vs Ohio: 7.29%. Ohio's combined rate is 1.79 percentage points higher.
Official Websites
Maine official website · Ohio official website
More Size Comparisons
All Maine 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.