The map above shows Mississippi and New Mexico side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Mississippi vs New Mexico Geography
Land area: Mississippi has a land area of 46,925 square miles (121,534 km²), while New Mexico has 121,313 square miles (314,198 km²). New Mexico's land area is 2.6 times (159%) larger than Mississippi's.
Total area: Mississippi: 48,436 square miles (125,448 km²) vs New Mexico: 121,593 square miles (314,925 km²), including inland and coastal water. New Mexico's total area is 2.5 times (151%) larger than Mississippi's.
Length: Mississippi is 337 miles (542 km) long from north to south; New Mexico is 395 miles (635 km). New Mexico's north-south length is 1.2 times (17%) longer than Mississippi's.
Width: Mississippi spans 340 miles (547 km) east to west; New Mexico spans 498 miles (801 km). New Mexico's east-west width is 1.5 times (46%) wider than Mississippi's.
Highest point: Mississippi's highest point is Woodall Mountain at 805 feet (245 m); New Mexico's is Wheeler Peak at 13,150 feet (4,008 m). Wheeler Peak is 12,345 feet higher than Woodall Mountain.
Lowest point: Mississippi's lowest point is Gulf of Mexico at 0 feet; New Mexico's is Red Bluff Reservoir at 2,842 feet. Mississippi's lowest point is 2,842 feet lower.
Mississippi vs New Mexico Population and History
Population: Mississippi has a population of 2,943,045 (2024), while New Mexico has 2,130,256 (2024). Mississippi's population is 1.4 times (38%) larger than New Mexico's.
Population density: Mississippi: 62.7 people per square mile vs New Mexico: 17.6. Mississippi's population density is 3.6 times (256%) higher than New Mexico's.
Biggest city: Mississippi's biggest city is Jackson with 141,449 people; New Mexico's is Albuquerque with 560,326. Albuquerque's population is 4.0 times (296%) larger than Jackson's.
Largest metro area: Mississippi's largest metropolitan area is Memphis, TN-MS-AR metro area (1,339,345 people) vs New Mexico's Albuquerque, NM metro area (926,303). Memphis, TN-MS-AR metro area's population is 1.4 times (45%) larger than Albuquerque, NM metro area's.
History: Mississippi: Admitted to the Union on December 10, 1817, as the 20th state. New Mexico: Admitted to the Union on January 6, 1912, as the 47th state. In its current form, Mississippi is the older of the two by 95 years.
Mississippi vs New Mexico Economy
GDP: Mississippi's GDP is $158.2 billion (2024) vs New Mexico's $147.1 billion. Mississippi's economic output is 1.1 times (8%) larger than New Mexico's.
GDP per capita: Mississippi: $53,751 per person vs New Mexico: $69,046. New Mexico's GDP per capita is 1.3 times (28%) higher than Mississippi's.
Average income: Mississippi: $52,074 vs New Mexico: $58,249 average income per person (per capita personal income). New Mexico's average income is 1.1 times (12%) higher than Mississippi's.
Mississippi vs New Mexico Counties
Number of counties: Mississippi has 82 counties, while New Mexico has 33. Mississippi's county count is 2.5 times (148%) higher than New Mexico's.
Biggest county by area: Mississippi's largest county is Yazoo County at 922 square miles; New Mexico's is Catron County at 6,924 square miles. Catron County's land area is 7.5 times (651%) larger than Yazoo County's.
Smallest county by area: Mississippi: Alcorn County (400 sq mi) vs New Mexico: Los Alamos County (109 sq mi). Alcorn County's land area is 3.7 times (267%) larger than Los Alamos County's.
Most populous county: Mississippi: Harrison County (213,730 people) vs New Mexico: Bernalillo County (671,747 people). Bernalillo County's population is 3.1 times (214%) larger than Harrison County's.
Least populous county: Mississippi: Issaquena County (1,295 people) vs New Mexico: Harding County (635 people). Issaquena County's population is 2.0 times (104%) larger than Harding County's.
Richest county: Mississippi: Madison County ($90,668 per capita income) vs New Mexico: Los Alamos County ($98,378). Los Alamos County's income is 1.1 times (9%) richer than Madison County's.
Poorest county: Mississippi: Issaquena County ($27,264 per capita income) vs New Mexico: Cibola County ($36,397). Cibola County's income is 1.3 times (33%) richer than Issaquena County's.
Mississippi vs New Mexico Taxes
State income tax: Mississippi has a top income tax rate of 4%, while New Mexico has a top income tax rate of 5.9%. New Mexico's top rate is 1.9 percentage points higher.
Property tax: Mississippi: 0.65% effective rate vs New Mexico: 0.63% of home value per year. Mississippi's rate is 0.02 percentage points higher.
Sales tax: Mississippi: 7.06% combined state and average local rate vs New Mexico: 7.68%. New Mexico's combined rate is 0.62 percentage points higher.
Official Websites
Mississippi official website · New Mexico official website
More Size Comparisons
All Mississippi 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.