The map above shows District of Columbia and Maine side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
District of Columbia vs Maine Geography
Land area: District of Columbia has a land area of 61 square miles (158 km²), while Maine has 30,845 square miles (79,888 km²). Maine's land area is 505.6 times larger than District of Columbia's.
Total area: District of Columbia: 68 square miles (177 km²) vs Maine: 35,380 square miles (91,634 km²), including inland and coastal water. Maine's total area is 517.7 times larger than District of Columbia's.
Length: District of Columbia is 13 miles (22 km) long from north to south; Maine is 311 miles (501 km). Maine's north-south length is 23.9 times longer than District of Columbia's.
Width: District of Columbia spans 12 miles (19 km) east to west; Maine spans 203 miles (327 km). Maine's east-west width is 16.9 times wider than District of Columbia's.
Highest point: District of Columbia's highest point is Fort Reno at 429 feet (131 m); Maine's is Mount Katahdin at 5,253 feet (1,601 m). Mount Katahdin is 4,824 feet higher than Fort Reno.
Lowest point: District of Columbia's lowest point is Potomac River at 0 feet; Maine's is Atlantic Ocean at 0 feet. Both lowest points are at or near sea level.
District of Columbia vs Maine Population and History
Population: District of Columbia has a population of 702,250 (2024), while Maine has 1,405,012 (2024). Maine's population is 2.0 times (100%) larger than District of Columbia's.
Population density: District of Columbia: 11,493.5 people per square mile vs Maine: 45.6. District of Columbia's population density is 252.1 times higher than Maine's.
Biggest city: District of Columbia's biggest city is Washington with 702,250 people; Maine's is Portland with 69,568. Washington's population is 10.1 times larger than Portland's.
Largest metro area: District of Columbia's largest metropolitan area is Washington-Arlington-Alexandria, DC-VA-MD-WV metro area (6,436,489 people) vs Maine's Portland-South Portland, ME metro area (571,534). Washington-Arlington-Alexandria, DC-VA-MD-WV metro area's population is 11.3 times larger than Portland-South Portland, ME metro area's.
History: District of Columbia: The federal district, established by the Residence Act on July 16, 1790; not a state. Maine: Admitted to the Union on March 15, 1820, as the 23rd state. In its current form, District of Columbia is the older of the two by 30 years.
District of Columbia vs Maine Economy
GDP: District of Columbia's GDP is $184.3 billion (2024) vs Maine's $99.2 billion. District of Columbia's economic output is 1.9 times (86%) larger than Maine's.
GDP per capita: District of Columbia: $262,439 per person vs Maine: $70,586. District of Columbia's GDP per capita is 3.7 times (272%) higher than Maine's.
Average income: District of Columbia: $111,185 vs Maine: $68,932 average income per person (per capita personal income). District of Columbia's average income is 1.6 times (61%) higher than Maine's.
District of Columbia vs Maine Counties
Number of counties: District of Columbia has 1 counties, while Maine has 16. Maine's county count is 16.0 times higher than District of Columbia's.
Biggest county by area: District of Columbia's largest county is District of Columbia at 61 square miles; Maine's is Aroostook County at 6,671 square miles. Aroostook County's land area is 109.2 times larger than District of Columbia's.
Smallest county by area: District of Columbia: District of Columbia (61 sq mi) vs Maine: Sagadahoc County (254 sq mi). Sagadahoc County's land area is 4.2 times (316%) larger than District of Columbia's.
Most populous county: District of Columbia: District of Columbia (702,250 people) vs Maine: Cumberland County (313,809 people). District of Columbia's population is 2.2 times (124%) larger than Cumberland County's.
Least populous county: District of Columbia: District of Columbia (702,250 people) vs Maine: Piscataquis County (17,432 people). District of Columbia's population is 40.3 times larger than Piscataquis County's.
Richest county: District of Columbia: District of Columbia ($111,185 per capita income) vs Maine: Cumberland County ($90,142). District of Columbia's income is 1.2 times (23%) richer than Cumberland County's.
Poorest county: District of Columbia: District of Columbia ($111,185 per capita income) vs Maine: Franklin County ($52,725). District of Columbia's income is 2.1 times (111%) richer than Franklin County's.
District of Columbia vs Maine Taxes
State income tax: District of Columbia has a top income tax rate of 10.75%, while Maine has a top income tax rate of 7.15%. District of Columbia's top rate is 3.6 percentage points higher.
Property tax: District of Columbia: 0.63% effective rate vs Maine: 0.91% of home value per year. Maine's rate is 0.28 percentage points higher.
Sales tax: District of Columbia: 6% combined state and average local rate vs Maine: 5.5%. District of Columbia's combined rate is 0.5 percentage points higher.
Official Websites
District of Columbia official website · Maine official website
More Size Comparisons
All District of Columbia size comparisons · All Maine 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.