The map above shows Maine and Missouri side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Maine vs Missouri Geography
Land area: Maine has a land area of 30,845 square miles (79,888 km²), while Missouri has 68,746 square miles (178,052 km²). Missouri's land area is 2.2 times (123%) larger than Maine's.
Total area: Maine: 35,380 square miles (91,634 km²) vs Missouri: 69,707 square miles (180,540 km²), including inland and coastal water. Missouri's total area is 2.0 times (97%) larger than Maine's.
Length: Maine is 311 miles (501 km) long from north to south; Missouri is 328 miles (529 km). Missouri's north-south length is 1.1 times (5%) longer than Maine's.
Width: Maine spans 203 miles (327 km) east to west; Missouri spans 437 miles (703 km). Missouri's east-west width is 2.2 times (115%) wider than Maine's.
Highest point: Maine's highest point is Mount Katahdin at 5,253 feet (1,601 m); Missouri's is Taum Sauk Mountain at 1,771 feet (540 m). Mount Katahdin is 3,482 feet higher than Taum Sauk Mountain.
Lowest point: Maine's lowest point is Atlantic Ocean at 0 feet; Missouri's is St. Francis River at 230 feet. Maine's lowest point is 230 feet lower.
Maine vs Missouri Population and History
Population: Maine has a population of 1,405,012 (2024), while Missouri has 6,245,466 (2024). Missouri's population is 4.4 times (345%) larger than Maine's.
Population density: Maine: 45.6 people per square mile vs Missouri: 90.8. Missouri's population density is 2.0 times (99%) higher than Maine's.
Biggest city: Maine's biggest city is Portland with 69,568 people; Missouri's is Kansas City with 516,032. Kansas City's population is 7.4 times (642%) larger than Portland's.
Largest metro area: Maine's largest metropolitan area is Portland-South Portland, ME metro area (571,534 people) vs Missouri's St. Louis, MO-IL metro area (2,811,927). St. Louis, MO-IL metro area's population is 4.9 times (392%) larger than Portland-South Portland, ME metro area's.
History: Maine: Admitted to the Union on March 15, 1820, as the 23rd state. Missouri: Admitted to the Union on August 10, 1821, as the 24th state. In its current form, Maine is the older of the two by 1 years.
Maine vs Missouri Economy
GDP: Maine's GDP is $99.2 billion (2024) vs Missouri's $448.7 billion. Missouri's economic output is 4.5 times (352%) larger than Maine's.
GDP per capita: Maine: $70,586 per person vs Missouri: $71,846. Maine and Missouri have about the same GDP per capita.
Average income: Maine: $68,932 vs Missouri: $64,920 average income per person (per capita personal income). Maine's average income is 1.1 times (6%) higher than Missouri's.
Maine vs Missouri Counties
Number of counties: Maine has 16 counties, while Missouri has 115. Missouri's county count is 7.2 times (619%) higher than Maine's.
Biggest county by area: Maine's largest county is Aroostook County at 6,671 square miles; Missouri's is Texas County at 1,177 square miles. Aroostook County's land area is 5.7 times (467%) larger than Texas County's.
Smallest county by area: Maine: Sagadahoc County (254 sq mi) vs Missouri: St. Louis city (62 sq mi). Sagadahoc County's land area is 4.1 times (312%) larger than St. Louis city's.
Most populous county: Maine: Cumberland County (313,809 people) vs Missouri: St. Louis County (992,929 people). St. Louis County's population is 3.2 times (216%) larger than Cumberland County's.
Least populous county: Maine: Piscataquis County (17,432 people) vs Missouri: Worth County (1,872 people). Piscataquis County's population is 9.3 times (831%) larger than Worth County's.
Richest county: Maine: Cumberland County ($90,142 per capita income) vs Missouri: St. Louis County ($104,775). St. Louis County's income is 1.2 times (16%) richer than Cumberland County's.
Poorest county: Maine: Franklin County ($52,725 per capita income) vs Missouri: Douglas County ($40,515). Franklin County's income is 1.3 times (30%) richer than Douglas County's.
Maine vs Missouri Taxes
State income tax: Maine has a top income tax rate of 7.15%, while Missouri has a top income tax rate of 4.7%. Maine's top rate is 2.45 percentage points higher.
Property tax: Maine: 0.91% effective rate vs Missouri: 0.79% of home value per year. Maine's rate is 0.12 percentage points higher.
Sales tax: Maine: 5.5% combined state and average local rate vs Missouri: 8.44%. Missouri's combined rate is 2.94 percentage points higher.
Official Websites
Maine official website · Missouri official website
More Size Comparisons
All Maine size comparisons · All Missouri 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.