The map above shows District of Columbia and Missouri side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
District of Columbia vs Missouri Geography
Land area: District of Columbia has a land area of 61 square miles (158 km²), while Missouri has 68,746 square miles (178,052 km²). Missouri's land area is 1,126.9 times larger than District of Columbia's.
Total area: District of Columbia: 68 square miles (177 km²) vs Missouri: 69,707 square miles (180,540 km²), including inland and coastal water. Missouri's total area is 1,020.0 times larger than District of Columbia's.
Length: District of Columbia is 13 miles (22 km) long from north to south; Missouri is 328 miles (529 km). Missouri's north-south length is 25.2 times longer than District of Columbia's.
Width: District of Columbia spans 12 miles (19 km) east to west; Missouri spans 437 miles (703 km). Missouri's east-west width is 36.4 times wider than District of Columbia's.
Highest point: District of Columbia's highest point is Fort Reno at 429 feet (131 m); Missouri's is Taum Sauk Mountain at 1,771 feet (540 m). Taum Sauk Mountain is 1,342 feet higher than Fort Reno.
Lowest point: District of Columbia's lowest point is Potomac River at 0 feet; Missouri's is St. Francis River at 230 feet. District of Columbia's lowest point is 230 feet lower.
District of Columbia vs Missouri Population and History
Population: District of Columbia has a population of 702,250 (2024), while Missouri has 6,245,466 (2024). Missouri's population is 8.9 times (789%) larger than District of Columbia's.
Population density: District of Columbia: 11,493.5 people per square mile vs Missouri: 90.8. District of Columbia's population density is 126.6 times higher than Missouri's.
Biggest city: District of Columbia's biggest city is Washington with 702,250 people; Missouri's is Kansas City with 516,032. Washington's population is 1.4 times (36%) larger than Kansas City'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 Missouri's St. Louis, MO-IL metro area (2,811,927). Washington-Arlington-Alexandria, DC-VA-MD-WV metro area's population is 2.3 times (129%) larger than St. Louis, MO-IL metro area's.
History: District of Columbia: The federal district, established by the Residence Act on July 16, 1790; not a state. Missouri: Admitted to the Union on August 10, 1821, as the 24th state. In its current form, District of Columbia is the older of the two by 31 years.
District of Columbia vs Missouri Economy
GDP: District of Columbia's GDP is $184.3 billion (2024) vs Missouri's $448.7 billion. Missouri's economic output is 2.4 times (143%) larger than District of Columbia's.
GDP per capita: District of Columbia: $262,439 per person vs Missouri: $71,846. District of Columbia's GDP per capita is 3.7 times (265%) higher than Missouri's.
Average income: District of Columbia: $111,185 vs Missouri: $64,920 average income per person (per capita personal income). District of Columbia's average income is 1.7 times (71%) higher than Missouri's.
District of Columbia vs Missouri Counties
Number of counties: District of Columbia has 1 counties, while Missouri has 115. Missouri's county count is 115.0 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; Missouri's is Texas County at 1,177 square miles. Texas County's land area is 19.3 times larger than District of Columbia's.
Smallest county by area: District of Columbia: District of Columbia (61 sq mi) vs Missouri: St. Louis city (62 sq mi). District of Columbia and St. Louis city have about the same land area.
Most populous county: District of Columbia: District of Columbia (702,250 people) vs Missouri: St. Louis County (992,929 people). St. Louis County's population is 1.4 times (41%) larger than District of Columbia's.
Least populous county: District of Columbia: District of Columbia (702,250 people) vs Missouri: Worth County (1,872 people). District of Columbia's population is 375.1 times larger than Worth County's.
Richest county: District of Columbia: District of Columbia ($111,185 per capita income) vs Missouri: St. Louis County ($104,775). District of Columbia's income is 1.1 times (6%) richer than St. Louis County's.
Poorest county: District of Columbia: District of Columbia ($111,185 per capita income) vs Missouri: Douglas County ($40,515). District of Columbia's income is 2.7 times (174%) richer than Douglas County's.
District of Columbia vs Missouri Taxes
State income tax: District of Columbia has a top income tax rate of 10.75%, while Missouri has a top income tax rate of 4.7%. District of Columbia's top rate is 6.05 percentage points higher.
Property tax: District of Columbia: 0.63% effective rate vs Missouri: 0.79% of home value per year. Missouri's rate is 0.16 percentage points higher.
Sales tax: District of Columbia: 6% combined state and average local rate vs Missouri: 8.44%. Missouri's combined rate is 2.44 percentage points higher.
Official Websites
District of Columbia official website · Missouri official website
More Size Comparisons
All District of Columbia size comparisons · All Missouri 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.