The map above shows Louisiana and Maryland side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Louisiana vs Maryland Geography
Land area: Louisiana has a land area of 43,213 square miles (111,921 km²), while Maryland has 9,711 square miles (25,151 km²). Louisiana's land area is 4.4 times (345%) larger than Maryland's.
Total area: Louisiana: 52,375 square miles (135,652 km²) vs Maryland: 12,406 square miles (32,131 km²), including inland and coastal water. Louisiana's total area is 4.2 times (322%) larger than Maryland's.
Length: Louisiana is 301 miles (484 km) long from north to south; Maryland is 231 miles (371 km). Louisiana's north-south length is 1.3 times (30%) longer than Maryland's.
Width: Louisiana spans 356 miles (574 km) east to west; Maryland spans 243 miles (391 km). Louisiana's east-west width is 1.5 times (47%) wider than Maryland's.
Highest point: Louisiana's highest point is Driskill Mountain at 533 feet (162 m); Maryland's is Hoye-Crest at 3,362 feet (1,025 m). Hoye-Crest is 2,829 feet higher than Driskill Mountain.
Lowest point: Louisiana's lowest point is New Orleans at -8 feet; Maryland's is Atlantic Ocean at 0 feet. Louisiana's lowest point is 8 feet lower.
Louisiana vs Maryland Population and History
Population: Louisiana has a population of 4,597,740 (2024), while Maryland has 6,263,220 (2024). Maryland's population is 1.4 times (36%) larger than Louisiana's.
Population density: Louisiana: 106.4 people per square mile vs Maryland: 645.0. Maryland's population density is 6.1 times (506%) higher than Louisiana's.
Biggest city: Louisiana's biggest city is New Orleans with 362,701 people; Maryland's is Baltimore with 568,271. Baltimore's population is 1.6 times (57%) larger than New Orleans'.
Largest metro area: Louisiana's largest metropolitan area is New Orleans-Metairie, LA metro area (966,230 people) vs Maryland's Washington-Arlington-Alexandria, DC-VA-MD-WV metro area (6,436,489). Washington-Arlington-Alexandria, DC-VA-MD-WV metro area's population is 6.7 times (566%) larger than New Orleans-Metairie, LA metro area's.
History: Louisiana: Admitted to the Union on April 30, 1812, as the 18th state. Maryland: Admitted to the Union on April 28, 1788, as the 7th state. In its current form, Maryland is the older of the two by 24 years.
Louisiana vs Maryland Economy
GDP: Louisiana's GDP is $329.2 billion (2024) vs Maryland's $546.0 billion. Maryland's economic output is 1.7 times (66%) larger than Louisiana's.
GDP per capita: Louisiana: $71,594 per person vs Maryland: $87,180. Maryland's GDP per capita is 1.2 times (22%) higher than Louisiana's.
Average income: Louisiana: $61,897 vs Maryland: $79,259 average income per person (per capita personal income). Maryland's average income is 1.3 times (28%) higher than Louisiana's.
Louisiana vs Maryland Counties
Number of counties: Louisiana has 64 counties, while Maryland has 24. Louisiana's county count is 2.7 times (167%) higher than Maryland's.
Biggest county by area: Louisiana's largest county is Vernon Parish at 1,327 square miles; Maryland's is Frederick County at 661 square miles. Vernon Parish's land area is 2.0 times (101%) larger than Frederick County's.
Smallest county by area: Louisiana: Orleans Parish (170 sq mi) vs Maryland: Baltimore city (81 sq mi). Orleans Parish's land area is 2.1 times (110%) larger than Baltimore city's.
Most populous county: Louisiana: East Baton Rouge Parish (453,022 people) vs Maryland: Montgomery County (1,082,273 people). Montgomery County's population is 2.4 times (139%) larger than East Baton Rouge Parish's.
Least populous county: Louisiana: Tensas Parish (3,844 people) vs Maryland: Kent County (19,557 people). Kent County's population is 5.1 times (409%) larger than Tensas Parish's.
Richest county: Louisiana: St. Tammany Parish ($82,398 per capita income) vs Maryland: Montgomery County ($104,882). Montgomery County's income is 1.3 times (27%) richer than St. Tammany Parish's.
Poorest county: Louisiana: East Carroll Parish ($36,751 per capita income) vs Maryland: Somerset County ($41,421). Somerset County's income is 1.1 times (13%) richer than East Carroll Parish's.
Louisiana vs Maryland Taxes
State income tax: Louisiana has a top income tax rate of 3%, while Maryland has a top income tax rate of 6.5%. Maryland's top rate is 3.5 percentage points higher.
Property tax: Louisiana: 0.53% effective rate vs Maryland: 0.95% of home value per year. Maryland's rate is 0.42 percentage points higher.
Sales tax: Louisiana: 10.13% combined state and average local rate vs Maryland: 6%. Louisiana's combined rate is 4.13 percentage points higher.
Official Websites
Louisiana official website · Maryland official website
More Size Comparisons
All Louisiana size comparisons · All Maryland 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.