The map above shows New Mexico and Texas side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
New Mexico vs Texas Geography
Land area: New Mexico has a land area of 121,313 square miles (314,198 km²), while Texas has 261,259 square miles (676,657 km²). Texas' land area is 2.2 times (115%) larger than New Mexico's.
Total area: New Mexico: 121,593 square miles (314,925 km²) vs Texas: 268,599 square miles (695,668 km²), including inland and coastal water. Texas' total area is 2.2 times (121%) larger than New Mexico's.
Length: New Mexico is 395 miles (635 km) long from north to south; Texas is 808 miles (1,300 km). Texas' north-south length is 2.0 times (105%) longer than New Mexico's.
Width: New Mexico spans 498 miles (801 km) east to west; Texas spans 777 miles (1,250 km). Texas' east-west width is 1.6 times (56%) wider than New Mexico's.
Highest point: New Mexico's highest point is Wheeler Peak at 13,150 feet (4,008 m); Texas's is Guadalupe Peak at 8,730 feet (2,661 m). Wheeler Peak is 4,420 feet higher than Guadalupe Peak.
Lowest point: New Mexico's lowest point is Red Bluff Reservoir at 2,842 feet; Texas's is Gulf of Mexico at 0 feet. Texas's lowest point is 2,842 feet lower.
New Mexico vs Texas Population and History
Population: New Mexico has a population of 2,130,256 (2024), while Texas has 31,290,831 (2024). Texas' population is 14.7 times larger than New Mexico's.
Population density: New Mexico: 17.6 people per square mile vs Texas: 119.8. Texas' population density is 6.8 times (581%) higher than New Mexico's.
Biggest city: New Mexico's biggest city is Albuquerque with 560,326 people; Texas's is Houston with 2,390,125. Houston's population is 4.3 times (327%) larger than Albuquerque's.
Largest metro area: New Mexico's largest metropolitan area is Albuquerque, NM metro area (926,303 people) vs Texas's Dallas-Fort Worth-Arlington, TX metro area (8,344,032). Dallas-Fort Worth-Arlington, TX metro area's population is 9.0 times (801%) larger than Albuquerque, NM metro area's.
History: New Mexico: Admitted to the Union on January 6, 1912, as the 47th state. Texas: Admitted to the Union on December 29, 1845, as the 28th state. In its current form, Texas is the older of the two by 67 years.
New Mexico vs Texas Economy
GDP: New Mexico's GDP is $147.1 billion (2024) vs Texas's $2,769.8 billion. Texas' economic output is 18.8 times larger than New Mexico's.
GDP per capita: New Mexico: $69,046 per person vs Texas: $88,517. Texas' GDP per capita is 1.3 times (28%) higher than New Mexico's.
Average income: New Mexico: $58,249 vs Texas: $69,823 average income per person (per capita personal income). Texas' average income is 1.2 times (20%) higher than New Mexico's.
New Mexico vs Texas Counties
Number of counties: New Mexico has 33 counties, while Texas has 254. Texas' county count is 7.7 times (670%) higher than New Mexico's.
Biggest county by area: New Mexico's largest county is Catron County at 6,924 square miles; Texas's is Brewster County at 6,184 square miles. Catron County's land area is 1.1 times (12%) larger than Brewster County's.
Smallest county by area: New Mexico: Los Alamos County (109 sq mi) vs Texas: Rockwall County (127 sq mi). Rockwall County's land area is 1.2 times (17%) larger than Los Alamos County's.
Most populous county: New Mexico: Bernalillo County (671,747 people) vs Texas: Harris County (5,009,302 people). Harris County's population is 7.5 times (646%) larger than Bernalillo County's.
Least populous county: New Mexico: Harding County (635 people) vs Texas: Loving County (48 people). Harding County's population is 13.2 times larger than Loving County's.
Richest county: New Mexico: Los Alamos County ($98,378 per capita income) vs Texas: Loving County ($220,625). Loving County's income is 2.2 times (124%) richer than Los Alamos County's.
Poorest county: New Mexico: Cibola County ($36,397 per capita income) vs Texas: Starr County ($34,180). Cibola County's income is 1.1 times (6%) richer than Starr County's.
New Mexico vs Texas Taxes
State income tax: New Mexico has a top income tax rate of 5.9%, while Texas has no state income tax. New Mexico's top rate is 5.9 percentage points higher.
Property tax: New Mexico: 0.63% effective rate vs Texas: 1.31% of home value per year. Texas's rate is 0.68 percentage points higher.
Sales tax: New Mexico: 7.68% combined state and average local rate vs Texas: 8.2%. Texas's combined rate is 0.52 percentage points higher.
Official Websites
New Mexico official website · Texas official website
More Size Comparisons
All New Mexico size comparisons · All Texas 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.