The map above shows New Mexico and Oklahoma side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
New Mexico vs Oklahoma Geography
Land area
- New Mexico has a land area of 121,313 square miles (314,198 km²), while Oklahoma has 68,597 square miles (177,665 km²).
- New Mexico's land area is 1.8 times (77%) larger than Oklahoma's.
Total area
- New Mexico: 121,593 square miles (314,925 km²) vs Oklahoma: 69,899 square miles (181,038 km²), including inland and coastal water.
- New Mexico's total area is 1.7 times (74%) larger than Oklahoma's.
Length
- New Mexico is 395 miles (635 km) long from north to south; Oklahoma is 533 miles (857 km).
- Oklahoma's north-south length is 1.3 times (35%) longer than New Mexico's.
Width
- New Mexico spans 498 miles (801 km) east to west; Oklahoma spans 490 miles (789 km).
- New Mexico and Oklahoma have about the same east-west width.
Highest point
- New Mexico's highest point is Wheeler Peak at 13,150 feet (4,008 m); Oklahoma's is Black Mesa at 4,980 feet (1,518 m).
- Wheeler Peak is 8,170 feet higher than Black Mesa.
Lowest point
- New Mexico's lowest point is Red Bluff Reservoir at 2,842 feet; Oklahoma's is Little River at 289 feet.
- Oklahoma's lowest point is 2,553 feet lower.
New Mexico vs Oklahoma Population and History
Population
- New Mexico has a population of 2,130,256 (2024), while Oklahoma has 4,095,393 (2024).
- Oklahoma's population is 1.9 times (92%) larger than New Mexico's.
Population density
- New Mexico: 17.6 people per square mile vs Oklahoma: 59.7.
- Oklahoma's population density is 3.4 times (239%) higher than New Mexico's.
Biggest city
- New Mexico's biggest city is Albuquerque with 560,326 people; Oklahoma's is Oklahoma City with 712,919.
- Oklahoma City's population is 1.3 times (27%) larger than Albuquerque's.
Largest metro area
- New Mexico's largest metropolitan area is Albuquerque, NM metro area (926,303 people) vs Oklahoma's Oklahoma City, OK metro area (1,497,821).
- Oklahoma City, OK metro area's population is 1.6 times (62%) larger than Albuquerque, NM metro area's.
History
- New Mexico: Admitted to the Union on January 6, 1912, as the 47th state.
- Oklahoma: Admitted to the Union on November 16, 1907, as the 46th state.
- In its current form, Oklahoma is the older of the two by 5 years.
New Mexico vs Oklahoma Economy
GDP
- New Mexico's GDP is $147.1 billion (2024) vs Oklahoma's $263.7 billion.
- Oklahoma's economic output is 1.8 times (79%) larger than New Mexico's.
GDP per capita
- New Mexico: $69,046 per person vs Oklahoma: $64,388.
- New Mexico's GDP per capita is 1.1 times (7%) higher than Oklahoma's.
Average income
- New Mexico: $58,249 vs Oklahoma: $63,708 average income per person (per capita personal income).
- Oklahoma's average income is 1.1 times (9%) higher than New Mexico's.
New Mexico vs Oklahoma Counties
Number of counties
- New Mexico has 33 counties, while Oklahoma has 77.
- Oklahoma's county count is 2.3 times (133%) higher than New Mexico's.
Biggest county by area
- New Mexico's largest county is Catron County at 6,924 square miles; Oklahoma's is Osage County at 2,247 square miles.
- Catron County's land area is 3.1 times (208%) larger than Osage County's.
Smallest county by area
- New Mexico: Los Alamos County (109 sq mi) vs Oklahoma: Marshall County (372 sq mi).
- Marshall County's land area is 3.4 times (241%) larger than Los Alamos County's.
Most populous county
- New Mexico: Bernalillo County (671,747 people) vs Oklahoma: Oklahoma County (816,490 people).
- Oklahoma County's population is 1.2 times (22%) larger than Bernalillo County's.
Least populous county
- New Mexico: Harding County (635 people) vs Oklahoma: Cimarron County (2,133 people).
- Cimarron County's population is 3.4 times (236%) larger than Harding County's.
Richest county
- New Mexico: Los Alamos County ($98,378 per capita income) vs Oklahoma: Washington County ($126,749).
- Washington County's income is 1.3 times (29%) richer than Los Alamos County's.
Poorest county
- New Mexico: Cibola County ($36,397 per capita income) vs Oklahoma: Atoka County ($38,709).
- Atoka County's income is 1.1 times (6%) richer than Cibola County's.
New Mexico vs Oklahoma Taxes
State income tax
- New Mexico has a top income tax rate of 5.9%, while Oklahoma has a top income tax rate of 4.5%.
- New Mexico's top rate is 1.4 percentage points higher.
Property tax
- New Mexico: 0.63% effective rate vs Oklahoma: 0.75% of home value per year.
- Oklahoma's rate is 0.12 percentage points higher.
Sales tax
- New Mexico: 7.68% combined state and average local rate vs Oklahoma: 9.06%.
- Oklahoma's combined rate is 1.38 percentage points higher.
Official Websites
New Mexico official website · Oklahoma official website
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More Size Comparisons
All New Mexico size comparisons · All Oklahoma 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.