The map above shows Maine and Oklahoma side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Maine vs Oklahoma Geography
Land area: Maine has a land area of 30,845 square miles (79,888 km²), while Oklahoma has 68,597 square miles (177,665 km²). Oklahoma's land area is 2.2 times (122%) larger than Maine's.
Total area: Maine: 35,380 square miles (91,634 km²) vs Oklahoma: 69,899 square miles (181,038 km²), including inland and coastal water. Oklahoma's total area is 2.0 times (98%) larger than Maine's.
Length: Maine is 311 miles (501 km) long from north to south; Oklahoma is 533 miles (857 km). Oklahoma's north-south length is 1.7 times (71%) longer than Maine's.
Width: Maine spans 203 miles (327 km) east to west; Oklahoma spans 490 miles (789 km). Oklahoma's east-west width is 2.4 times (141%) wider than Maine's.
Highest point: Maine's highest point is Mount Katahdin at 5,253 feet (1,601 m); Oklahoma's is Black Mesa at 4,980 feet (1,518 m). Mount Katahdin is 273 feet higher than Black Mesa.
Lowest point: Maine's lowest point is Atlantic Ocean at 0 feet; Oklahoma's is Little River at 289 feet. Maine's lowest point is 289 feet lower.
Maine vs Oklahoma Population and History
Population: Maine has a population of 1,405,012 (2024), while Oklahoma has 4,095,393 (2024). Oklahoma's population is 2.9 times (191%) larger than Maine's.
Population density: Maine: 45.6 people per square mile vs Oklahoma: 59.7. Oklahoma's population density is 1.3 times (31%) higher than Maine's.
Biggest city: Maine's biggest city is Portland with 69,568 people; Oklahoma's is Oklahoma City with 712,919. Oklahoma City's population is 10.2 times larger than Portland's.
Largest metro area: Maine's largest metropolitan area is Portland-South Portland, ME metro area (571,534 people) vs Oklahoma's Oklahoma City, OK metro area (1,497,821). Oklahoma City, OK metro area's population is 2.6 times (162%) larger than Portland-South Portland, ME metro area's.
History: Maine: Admitted to the Union on March 15, 1820, as the 23rd state. Oklahoma: Admitted to the Union on November 16, 1907, as the 46th state. In its current form, Maine is the older of the two by 87 years.
Maine vs Oklahoma Economy
GDP: Maine's GDP is $99.2 billion (2024) vs Oklahoma's $263.7 billion. Oklahoma's economic output is 2.7 times (166%) larger than Maine's.
GDP per capita: Maine: $70,586 per person vs Oklahoma: $64,388. Maine's GDP per capita is 1.1 times (10%) higher than Oklahoma's.
Average income: Maine: $68,932 vs Oklahoma: $63,708 average income per person (per capita personal income). Maine's average income is 1.1 times (8%) higher than Oklahoma's.
Maine vs Oklahoma Counties
Number of counties: Maine has 16 counties, while Oklahoma has 77. Oklahoma's county count is 4.8 times (381%) higher than Maine's.
Biggest county by area: Maine's largest county is Aroostook County at 6,671 square miles; Oklahoma's is Osage County at 2,247 square miles. Aroostook County's land area is 3.0 times (197%) larger than Osage County's.
Smallest county by area: Maine: Sagadahoc County (254 sq mi) vs Oklahoma: Marshall County (372 sq mi). Marshall County's land area is 1.5 times (46%) larger than Sagadahoc County's.
Most populous county: Maine: Cumberland County (313,809 people) vs Oklahoma: Oklahoma County (816,490 people). Oklahoma County's population is 2.6 times (160%) larger than Cumberland County's.
Least populous county: Maine: Piscataquis County (17,432 people) vs Oklahoma: Cimarron County (2,133 people). Piscataquis County's population is 8.2 times (717%) larger than Cimarron County's.
Richest county: Maine: Cumberland County ($90,142 per capita income) vs Oklahoma: Washington County ($126,749). Washington County's income is 1.4 times (41%) richer than Cumberland County's.
Poorest county: Maine: Franklin County ($52,725 per capita income) vs Oklahoma: Atoka County ($38,709). Franklin County's income is 1.4 times (36%) richer than Atoka County's.
Maine vs Oklahoma Taxes
State income tax: Maine has a top income tax rate of 7.15%, while Oklahoma has a top income tax rate of 4.5%. Maine's top rate is 2.65 percentage points higher.
Property tax: Maine: 0.91% effective rate vs Oklahoma: 0.75% of home value per year. Maine's rate is 0.16 percentage points higher.
Sales tax: Maine: 5.5% combined state and average local rate vs Oklahoma: 9.06%. Oklahoma's combined rate is 3.56 percentage points higher.
Official Websites
Maine official website · Oklahoma official website
More Size Comparisons
All Maine size comparisons · All Oklahoma 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.