The map above shows Louisiana and Massachusetts side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Louisiana vs Massachusetts Geography
Land area: Louisiana has a land area of 43,213 square miles (111,921 km²), while Massachusetts has 7,801 square miles (20,204 km²). Louisiana's land area is 5.5 times (454%) larger than Massachusetts'.
Total area: Louisiana: 52,375 square miles (135,652 km²) vs Massachusetts: 10,554 square miles (27,335 km²), including inland and coastal water. Louisiana's total area is 5.0 times (396%) larger than Massachusetts'.
Length: Louisiana is 301 miles (484 km) long from north to south; Massachusetts is 123 miles (198 km). Louisiana's north-south length is 2.4 times (145%) longer than Massachusetts'.
Width: Louisiana spans 356 miles (574 km) east to west; Massachusetts spans 185 miles (297 km). Louisiana's east-west width is 1.9 times (92%) wider than Massachusetts'.
Highest point: Louisiana's highest point is Driskill Mountain at 533 feet (162 m); Massachusetts's is Mount Greylock at 3,489 feet (1,063 m). Mount Greylock is 2,956 feet higher than Driskill Mountain.
Lowest point: Louisiana's lowest point is New Orleans at -8 feet; Massachusetts's is Atlantic Ocean at 0 feet. Louisiana's lowest point is 8 feet lower.
Louisiana vs Massachusetts Population and History
Population: Louisiana has a population of 4,597,740 (2024), while Massachusetts has 7,136,171 (2024). Massachusetts' population is 1.6 times (55%) larger than Louisiana's.
Population density: Louisiana: 106.4 people per square mile vs Massachusetts: 914.8. Massachusetts' population density is 8.6 times (760%) higher than Louisiana's.
Biggest city: Louisiana's biggest city is New Orleans with 362,701 people; Massachusetts's is Boston with 673,458. Boston's population is 1.9 times (86%) larger than New Orleans'.
Largest metro area: Louisiana's largest metropolitan area is New Orleans-Metairie, LA metro area (966,230 people) vs Massachusetts's Boston-Cambridge-Newton, MA-NH metro area (5,025,517). Boston-Cambridge-Newton, MA-NH metro area's population is 5.2 times (420%) larger than New Orleans-Metairie, LA metro area's.
History: Louisiana: Admitted to the Union on April 30, 1812, as the 18th state. Massachusetts: Admitted to the Union on February 6, 1788, as the 6th state. In its current form, Massachusetts is the older of the two by 24 years.
Louisiana vs Massachusetts Economy
GDP: Louisiana's GDP is $329.2 billion (2024) vs Massachusetts's $778.5 billion. Massachusetts' economic output is 2.4 times (136%) larger than Louisiana's.
GDP per capita: Louisiana: $71,594 per person vs Massachusetts: $109,095. Massachusetts' GDP per capita is 1.5 times (52%) higher than Louisiana's.
Average income: Louisiana: $61,897 vs Massachusetts: $93,607 average income per person (per capita personal income). Massachusetts' average income is 1.5 times (51%) higher than Louisiana's.
Louisiana vs Massachusetts Counties
Number of counties: Louisiana has 64 counties, while Massachusetts has 14. Louisiana's county count is 4.6 times (357%) higher than Massachusetts'.
Biggest county by area: Louisiana's largest county is Vernon Parish at 1,327 square miles; Massachusetts's is Worcester County at 1,511 square miles. Worcester County's land area is 1.1 times (14%) larger than Vernon Parish's.
Smallest county by area: Louisiana: Orleans Parish (170 sq mi) vs Massachusetts: Nantucket County (46 sq mi). Orleans Parish's land area is 3.7 times (267%) larger than Nantucket County's.
Most populous county: Louisiana: East Baton Rouge Parish (453,022 people) vs Massachusetts: Middlesex County (1,668,956 people). Middlesex County's population is 3.7 times (268%) larger than East Baton Rouge Parish's.
Least populous county: Louisiana: Tensas Parish (3,844 people) vs Massachusetts: Nantucket County (14,670 people). Nantucket County's population is 3.8 times (282%) larger than Tensas Parish's.
Richest county: Louisiana: St. Tammany Parish ($82,398 per capita income) vs Massachusetts: Nantucket County ($129,250). Nantucket County's income is 1.6 times (57%) richer than St. Tammany Parish's.
Poorest county: Louisiana: East Carroll Parish ($36,751 per capita income) vs Massachusetts: Hampshire County ($65,432). Hampshire County's income is 1.8 times (78%) richer than East Carroll Parish's.
Louisiana vs Massachusetts Taxes
State income tax: Louisiana has a top income tax rate of 3%, while Massachusetts has a top income tax rate of 9%. Massachusetts's top rate is 6 percentage points higher.
Property tax: Louisiana: 0.53% effective rate vs Massachusetts: 1% of home value per year. Massachusetts's rate is 0.47 percentage points higher.
Sales tax: Louisiana: 10.13% combined state and average local rate vs Massachusetts: 6.25%. Louisiana's combined rate is 3.88 percentage points higher.
Official Websites
Louisiana official website · Massachusetts official website
More Size Comparisons
All Louisiana size comparisons · All Massachusetts 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.