The map above shows Kentucky and Maine side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Kentucky vs Maine Geography
Land area: Kentucky has a land area of 39,485 square miles (102,267 km²), while Maine has 30,845 square miles (79,888 km²). Kentucky's land area is 1.3 times (28%) larger than Maine's.
Total area: Kentucky: 40,406 square miles (104,651 km²) vs Maine: 35,380 square miles (91,634 km²), including inland and coastal water. Kentucky's total area is 1.1 times (14%) larger than Maine's.
Length: Kentucky is 257 miles (414 km) long from north to south; Maine is 311 miles (501 km). Maine's north-south length is 1.2 times (21%) longer than Kentucky's.
Width: Kentucky spans 418 miles (672 km) east to west; Maine spans 203 miles (327 km). Kentucky's east-west width is 2.1 times (106%) wider than Maine's.
Highest point: Kentucky's highest point is Black Mountain at 4,134 feet (1,260 m); Maine's is Mount Katahdin at 5,253 feet (1,601 m). Mount Katahdin is 1,119 feet higher than Black Mountain.
Lowest point: Kentucky's lowest point is Mississippi River at 270 feet; Maine's is Atlantic Ocean at 0 feet. Maine's lowest point is 270 feet lower.
Kentucky vs Maine Population and History
Population: Kentucky has a population of 4,588,372 (2024), while Maine has 1,405,012 (2024). Kentucky's population is 3.3 times (227%) larger than Maine's.
Population density: Kentucky: 116.2 people per square mile vs Maine: 45.6. Kentucky's population density is 2.5 times (155%) higher than Maine's.
Biggest city: Kentucky's biggest city is Louisville with 640,796 people; Maine's is Portland with 69,568. Louisville's population is 9.2 times (821%) larger than Portland's.
Largest metro area: Kentucky's largest metropolitan area is Cincinnati, OH-KY-IN metro area (2,302,815 people) vs Maine's Portland-South Portland, ME metro area (571,534). Cincinnati, OH-KY-IN metro area's population is 4.0 times (303%) larger than Portland-South Portland, ME metro area's.
History: Kentucky: Admitted to the Union on June 1, 1792, as the 15th state. Maine: Admitted to the Union on March 15, 1820, as the 23rd state. In its current form, Kentucky is the older of the two by 28 years.
Kentucky vs Maine Economy
GDP: Kentucky's GDP is $295.4 billion (2024) vs Maine's $99.2 billion. Kentucky's economic output is 3.0 times (198%) larger than Maine's.
GDP per capita: Kentucky: $64,375 per person vs Maine: $70,586. Maine's GDP per capita is 1.1 times (10%) higher than Kentucky's.
Average income: Kentucky: $58,256 vs Maine: $68,932 average income per person (per capita personal income). Maine's average income is 1.2 times (18%) higher than Kentucky's.
Kentucky vs Maine Counties
Number of counties: Kentucky has 120 counties, while Maine has 16. Kentucky's county count is 7.5 times (650%) higher than Maine's.
Biggest county by area: Kentucky's largest county is Pike County at 786 square miles; Maine's is Aroostook County at 6,671 square miles. Aroostook County's land area is 8.5 times (749%) larger than Pike County's.
Smallest county by area: Kentucky: Gallatin County (98 sq mi) vs Maine: Sagadahoc County (254 sq mi). Sagadahoc County's land area is 2.6 times (158%) larger than Gallatin County's.
Most populous county: Kentucky: Jefferson County (793,881 people) vs Maine: Cumberland County (313,809 people). Jefferson County's population is 2.5 times (153%) larger than Cumberland County's.
Least populous county: Kentucky: Robertson County (2,382 people) vs Maine: Piscataquis County (17,432 people). Piscataquis County's population is 7.3 times (632%) larger than Robertson County's.
Richest county: Kentucky: Oldham County ($87,137 per capita income) vs Maine: Cumberland County ($90,142). Oldham County and Cumberland County have about the same income.
Poorest county: Kentucky: Elliott County ($31,817 per capita income) vs Maine: Franklin County ($52,725). Franklin County's income is 1.7 times (66%) richer than Elliott County's.
Kentucky vs Maine Taxes
State income tax: Kentucky has a top income tax rate of 3.5%, while Maine has a top income tax rate of 7.15%. Maine's top rate is 3.65 percentage points higher.
Property tax: Kentucky: 0.71% effective rate vs Maine: 0.91% of home value per year. Maine's rate is 0.2 percentage points higher.
Sales tax: Kentucky: 6% combined state and average local rate vs Maine: 5.5%. Kentucky's combined rate is 0.5 percentage points higher.
Official Websites
Kentucky official website · Maine official website
More Size Comparisons
All Kentucky 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.