The map above shows Missouri and New Mexico side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Missouri vs New Mexico Geography
Land area
- Missouri has a land area of 68,746 square miles (178,052 km²), while New Mexico has 121,313 square miles (314,198 km²).
- New Mexico's land area is 1.8 times (76%) larger than Missouri's.
Total area
- Missouri: 69,707 square miles (180,540 km²) vs New Mexico: 121,593 square miles (314,925 km²), including inland and coastal water.
- New Mexico's total area is 1.7 times (74%) larger than Missouri's.
Length
- Missouri is 328 miles (529 km) long from north to south; New Mexico is 395 miles (635 km).
- New Mexico's north-south length is 1.2 times (20%) longer than Missouri's.
Width
- Missouri spans 437 miles (703 km) east to west; New Mexico spans 498 miles (801 km).
- New Mexico's east-west width is 1.1 times (14%) wider than Missouri's.
Highest point
- Missouri's highest point is Taum Sauk Mountain at 1,771 feet (540 m); New Mexico's is Wheeler Peak at 13,150 feet (4,008 m).
- Wheeler Peak is 11,379 feet higher than Taum Sauk Mountain.
Lowest point
- Missouri's lowest point is St. Francis River at 230 feet; New Mexico's is Red Bluff Reservoir at 2,842 feet.
- Missouri's lowest point is 2,612 feet lower.
Missouri vs New Mexico Population and History
Population
- Missouri has a population of 6,245,466 (2024), while New Mexico has 2,130,256 (2024).
- Missouri's population is 2.9 times (193%) larger than New Mexico's.
Population density
- Missouri: 90.8 people per square mile vs New Mexico: 17.6.
- Missouri's population density is 5.2 times (416%) higher than New Mexico's.
Biggest city
- Missouri's biggest city is Kansas City with 516,032 people; New Mexico's is Albuquerque with 560,326.
- Albuquerque's population is 1.1 times (9%) larger than Kansas City's.
Largest metro area
- Missouri's largest metropolitan area is St. Louis, MO-IL metro area (2,811,927 people) vs New Mexico's Albuquerque, NM metro area (926,303).
- St. Louis, MO-IL metro area's population is 3.0 times (204%) larger than Albuquerque, NM metro area's.
History
- Missouri: Admitted to the Union on August 10, 1821, as the 24th state.
- New Mexico: Admitted to the Union on January 6, 1912, as the 47th state.
- In its current form, Missouri is the older of the two by 91 years.
Missouri vs New Mexico Economy
GDP
- Missouri's GDP is $448.7 billion (2024) vs New Mexico's $147.1 billion.
- Missouri's economic output is 3.1 times (205%) larger than New Mexico's.
GDP per capita
- Missouri: $71,846 per person vs New Mexico: $69,046.
- Missouri and New Mexico have about the same GDP per capita.
Average income
- Missouri: $64,920 vs New Mexico: $58,249 average income per person (per capita personal income).
- Missouri's average income is 1.1 times (11%) higher than New Mexico's.
Missouri vs New Mexico Counties
Number of counties
- Missouri has 115 counties, while New Mexico has 33.
- Missouri's county count is 3.5 times (248%) higher than New Mexico's.
Biggest county by area
- Missouri's largest county is Texas County at 1,177 square miles; New Mexico's is Catron County at 6,924 square miles.
- Catron County's land area is 5.9 times (488%) larger than Texas County's.
Smallest county by area
- Missouri: St. Louis city (62 sq mi) vs New Mexico: Los Alamos County (109 sq mi).
- Los Alamos County's land area is 1.8 times (77%) larger than St. Louis city's.
Most populous county
- Missouri: St. Louis County (992,929 people) vs New Mexico: Bernalillo County (671,747 people).
- St. Louis County's population is 1.5 times (48%) larger than Bernalillo County's.
Least populous county
- Missouri: Worth County (1,872 people) vs New Mexico: Harding County (635 people).
- Worth County's population is 2.9 times (195%) larger than Harding County's.
Richest county
- Missouri: St. Louis County ($104,775 per capita income) vs New Mexico: Los Alamos County ($98,378).
- St. Louis County's income is 1.1 times (7%) richer than Los Alamos County's.
Poorest county
- Missouri: Douglas County ($40,515 per capita income) vs New Mexico: Cibola County ($36,397).
- Douglas County's income is 1.1 times (11%) richer than Cibola County's.
Missouri vs New Mexico Taxes
State income tax
- Missouri has a top income tax rate of 4.7%, while New Mexico has a top income tax rate of 5.9%.
- New Mexico's top rate is 1.2 percentage points higher.
Property tax
- Missouri: 0.79% effective rate vs New Mexico: 0.63% of home value per year.
- Missouri's rate is 0.16 percentage points higher.
Sales tax
- Missouri: 8.44% combined state and average local rate vs New Mexico: 7.68%.
- Missouri's combined rate is 0.76 percentage points higher.
Official Websites
Missouri official website · New Mexico official website
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More Size Comparisons
All Missouri 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.