The map above shows District of Columbia and New Mexico side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
District of Columbia vs New Mexico Geography
Land area: District of Columbia has a land area of 61 square miles (158 km²), while New Mexico has 121,313 square miles (314,198 km²). New Mexico's land area is 1,988.6 times larger than District of Columbia's.
Total area: District of Columbia: 68 square miles (177 km²) vs New Mexico: 121,593 square miles (314,925 km²), including inland and coastal water. New Mexico's total area is 1,779.2 times larger than District of Columbia's.
Length: District of Columbia is 13 miles (22 km) long from north to south; New Mexico is 395 miles (635 km). New Mexico's north-south length is 30.4 times longer than District of Columbia's.
Width: District of Columbia spans 12 miles (19 km) east to west; New Mexico spans 498 miles (801 km). New Mexico's east-west width is 41.5 times wider than District of Columbia's.
Highest point: District of Columbia's highest point is Fort Reno at 429 feet (131 m); New Mexico's is Wheeler Peak at 13,150 feet (4,008 m). Wheeler Peak is 12,721 feet higher than Fort Reno.
Lowest point: District of Columbia's lowest point is Potomac River at 0 feet; New Mexico's is Red Bluff Reservoir at 2,842 feet. District of Columbia's lowest point is 2,842 feet lower.
District of Columbia vs New Mexico Population and History
Population: District of Columbia has a population of 702,250 (2024), while New Mexico has 2,130,256 (2024). New Mexico's population is 3.0 times (203%) larger than District of Columbia's.
Population density: District of Columbia: 11,493.5 people per square mile vs New Mexico: 17.6. District of Columbia's population density is 653.0 times higher than New Mexico's.
Biggest city: District of Columbia's biggest city is Washington with 702,250 people; New Mexico's is Albuquerque with 560,326. Washington's population is 1.3 times (25%) larger than Albuquerque's.
Largest metro area: District of Columbia's largest metropolitan area is Washington-Arlington-Alexandria, DC-VA-MD-WV metro area (6,436,489 people) vs New Mexico's Albuquerque, NM metro area (926,303). Washington-Arlington-Alexandria, DC-VA-MD-WV metro area's population is 6.9 times (595%) larger than Albuquerque, NM metro area's.
History: District of Columbia: The federal district, established by the Residence Act on July 16, 1790; not a state. New Mexico: Admitted to the Union on January 6, 1912, as the 47th state. In its current form, District of Columbia is the older of the two by 122 years.
District of Columbia vs New Mexico Economy
GDP: District of Columbia's GDP is $184.3 billion (2024) vs New Mexico's $147.1 billion. District of Columbia's economic output is 1.3 times (25%) larger than New Mexico's.
GDP per capita: District of Columbia: $262,439 per person vs New Mexico: $69,046. District of Columbia's GDP per capita is 3.8 times (280%) higher than New Mexico's.
Average income: District of Columbia: $111,185 vs New Mexico: $58,249 average income per person (per capita personal income). District of Columbia's average income is 1.9 times (91%) higher than New Mexico's.
District of Columbia vs New Mexico Counties
Number of counties: District of Columbia has 1 counties, while New Mexico has 33. New Mexico's county count is 33.0 times higher than District of Columbia's.
Biggest county by area: District of Columbia's largest county is District of Columbia at 61 square miles; New Mexico's is Catron County at 6,924 square miles. Catron County's land area is 113.3 times larger than District of Columbia's.
Smallest county by area: District of Columbia: District of Columbia (61 sq mi) vs New Mexico: Los Alamos County (109 sq mi). Los Alamos County's land area is 1.8 times (79%) larger than District of Columbia's.
Most populous county: District of Columbia: District of Columbia (702,250 people) vs New Mexico: Bernalillo County (671,747 people). District of Columbia and Bernalillo County have about the same population.
Least populous county: District of Columbia: District of Columbia (702,250 people) vs New Mexico: Harding County (635 people). District of Columbia's population is 1,105.9 times larger than Harding County's.
Richest county: District of Columbia: District of Columbia ($111,185 per capita income) vs New Mexico: Los Alamos County ($98,378). District of Columbia's income is 1.1 times (13%) richer than Los Alamos County's.
Poorest county: District of Columbia: District of Columbia ($111,185 per capita income) vs New Mexico: Cibola County ($36,397). District of Columbia's income is 3.1 times (205%) richer than Cibola County's.
District of Columbia vs New Mexico Taxes
State income tax: District of Columbia has a top income tax rate of 10.75%, while New Mexico has a top income tax rate of 5.9%. District of Columbia's top rate is 4.85 percentage points higher.
Property tax: District of Columbia: 0.63% effective rate vs New Mexico: 0.63% of home value per year. The two are essentially equal.
Sales tax: District of Columbia: 6% combined state and average local rate vs New Mexico: 7.68%. New Mexico's combined rate is 1.68 percentage points higher.
Official Websites
District of Columbia official website · New Mexico official website
More Size Comparisons
All District of Columbia 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.