The map above shows Louisiana and New Mexico side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Louisiana vs New Mexico Geography
Land area: Louisiana has a land area of 43,213 square miles (111,921 km²), while New Mexico has 121,313 square miles (314,198 km²). New Mexico's land area is 2.8 times (181%) larger than Louisiana's.
Total area: Louisiana: 52,375 square miles (135,652 km²) vs New Mexico: 121,593 square miles (314,925 km²), including inland and coastal water. New Mexico's total area is 2.3 times (132%) larger than Louisiana's.
Length: Louisiana is 301 miles (484 km) long from north to south; New Mexico is 395 miles (635 km). New Mexico's north-south length is 1.3 times (31%) longer than Louisiana's.
Width: Louisiana spans 356 miles (574 km) east to west; New Mexico spans 498 miles (801 km). New Mexico's east-west width is 1.4 times (40%) wider than Louisiana's.
Highest point: Louisiana's highest point is Driskill Mountain at 533 feet (162 m); New Mexico's is Wheeler Peak at 13,150 feet (4,008 m). Wheeler Peak is 12,617 feet higher than Driskill Mountain.
Lowest point: Louisiana's lowest point is New Orleans at -8 feet; New Mexico's is Red Bluff Reservoir at 2,842 feet. Louisiana's lowest point is 2,850 feet lower.
Louisiana vs New Mexico Population and History
Population: Louisiana has a population of 4,597,740 (2024), while New Mexico has 2,130,256 (2024). Louisiana's population is 2.2 times (116%) larger than New Mexico's.
Population density: Louisiana: 106.4 people per square mile vs New Mexico: 17.6. Louisiana's population density is 6.0 times (505%) higher than New Mexico's.
Biggest city: Louisiana's biggest city is New Orleans with 362,701 people; New Mexico's is Albuquerque with 560,326. Albuquerque's population is 1.5 times (54%) larger than New Orleans'.
Largest metro area: Louisiana's largest metropolitan area is New Orleans-Metairie, LA metro area (966,230 people) vs New Mexico's Albuquerque, NM metro area (926,303). New Orleans-Metairie, LA metro area and Albuquerque, NM metro area have about the same population.
History: Louisiana: Admitted to the Union on April 30, 1812, as the 18th state. New Mexico: Admitted to the Union on January 6, 1912, as the 47th state. In its current form, Louisiana is the older of the two by 100 years.
Louisiana vs New Mexico Economy
GDP: Louisiana's GDP is $329.2 billion (2024) vs New Mexico's $147.1 billion. Louisiana's economic output is 2.2 times (124%) larger than New Mexico's.
GDP per capita: Louisiana: $71,594 per person vs New Mexico: $69,046. Louisiana and New Mexico have about the same GDP per capita.
Average income: Louisiana: $61,897 vs New Mexico: $58,249 average income per person (per capita personal income). Louisiana's average income is 1.1 times (6%) higher than New Mexico's.
Louisiana vs New Mexico Counties
Number of counties: Louisiana has 64 counties, while New Mexico has 33. Louisiana's county count is 1.9 times (94%) higher than New Mexico's.
Biggest county by area: Louisiana's largest county is Vernon Parish at 1,327 square miles; New Mexico's is Catron County at 6,924 square miles. Catron County's land area is 5.2 times (422%) larger than Vernon Parish's.
Smallest county by area: Louisiana: Orleans Parish (170 sq mi) vs New Mexico: Los Alamos County (109 sq mi). Orleans Parish's land area is 1.6 times (55%) larger than Los Alamos County's.
Most populous county: Louisiana: East Baton Rouge Parish (453,022 people) vs New Mexico: Bernalillo County (671,747 people). Bernalillo County's population is 1.5 times (48%) larger than East Baton Rouge Parish's.
Least populous county: Louisiana: Tensas Parish (3,844 people) vs New Mexico: Harding County (635 people). Tensas Parish's population is 6.1 times (505%) larger than Harding County's.
Richest county: Louisiana: St. Tammany Parish ($82,398 per capita income) vs New Mexico: Los Alamos County ($98,378). Los Alamos County's income is 1.2 times (19%) richer than St. Tammany Parish's.
Poorest county: Louisiana: East Carroll Parish ($36,751 per capita income) vs New Mexico: Cibola County ($36,397). East Carroll Parish and Cibola County have about the same income.
Louisiana vs New Mexico Taxes
State income tax: Louisiana has a top income tax rate of 3%, while New Mexico has a top income tax rate of 5.9%. New Mexico's top rate is 2.9 percentage points higher.
Property tax: Louisiana: 0.53% effective rate vs New Mexico: 0.63% of home value per year. New Mexico's rate is 0.1 percentage points higher.
Sales tax: Louisiana: 10.13% combined state and average local rate vs New Mexico: 7.68%. Louisiana's combined rate is 2.45 percentage points higher.
Official Websites
Louisiana official website · New Mexico official website
More Size Comparisons
All Louisiana size comparisons · All New Mexico 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.