The map above shows District of Columbia and Mississippi side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
District of Columbia vs Mississippi Geography
Land area: District of Columbia has a land area of 61 square miles (158 km²), while Mississippi has 46,925 square miles (121,534 km²). Mississippi's land area is 769.2 times larger than District of Columbia's.
Total area: District of Columbia: 68 square miles (177 km²) vs Mississippi: 48,436 square miles (125,448 km²), including inland and coastal water. Mississippi's total area is 708.7 times larger than District of Columbia's.
Length: District of Columbia is 13 miles (22 km) long from north to south; Mississippi is 337 miles (542 km). Mississippi's north-south length is 25.9 times longer than District of Columbia's.
Width: District of Columbia spans 12 miles (19 km) east to west; Mississippi spans 340 miles (547 km). Mississippi's east-west width is 28.3 times wider than District of Columbia's.
Highest point: District of Columbia's highest point is Fort Reno at 429 feet (131 m); Mississippi's is Woodall Mountain at 805 feet (245 m). Woodall Mountain is 376 feet higher than Fort Reno.
Lowest point: District of Columbia's lowest point is Potomac River at 0 feet; Mississippi's is Gulf of Mexico at 0 feet. Both lowest points are at or near sea level.
District of Columbia vs Mississippi Population and History
Population: District of Columbia has a population of 702,250 (2024), while Mississippi has 2,943,045 (2024). Mississippi's population is 4.2 times (319%) larger than District of Columbia's.
Population density: District of Columbia: 11,493.5 people per square mile vs Mississippi: 62.7. District of Columbia's population density is 183.3 times higher than Mississippi's.
Biggest city: District of Columbia's biggest city is Washington with 702,250 people; Mississippi's is Jackson with 141,449. Washington's population is 5.0 times (396%) larger than Jackson'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 Mississippi's Memphis, TN-MS-AR metro area (1,339,345). Washington-Arlington-Alexandria, DC-VA-MD-WV metro area's population is 4.8 times (381%) larger than Memphis, TN-MS-AR metro area's.
History: District of Columbia: The federal district, established by the Residence Act on July 16, 1790; not a state. Mississippi: Admitted to the Union on December 10, 1817, as the 20th state. In its current form, District of Columbia is the older of the two by 27 years.
District of Columbia vs Mississippi Economy
GDP: District of Columbia's GDP is $184.3 billion (2024) vs Mississippi's $158.2 billion. District of Columbia's economic output is 1.2 times (16%) larger than Mississippi's.
GDP per capita: District of Columbia: $262,439 per person vs Mississippi: $53,751. District of Columbia's GDP per capita is 4.9 times (388%) higher than Mississippi's.
Average income: District of Columbia: $111,185 vs Mississippi: $52,074 average income per person (per capita personal income). District of Columbia's average income is 2.1 times (114%) higher than Mississippi's.
District of Columbia vs Mississippi Counties
Number of counties: District of Columbia has 1 counties, while Mississippi has 82. Mississippi's county count is 82.0 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; Mississippi's is Yazoo County at 922 square miles. Yazoo County's land area is 15.1 times larger than District of Columbia's.
Smallest county by area: District of Columbia: District of Columbia (61 sq mi) vs Mississippi: Alcorn County (400 sq mi). Alcorn County's land area is 6.5 times (555%) larger than District of Columbia's.
Most populous county: District of Columbia: District of Columbia (702,250 people) vs Mississippi: Harrison County (213,730 people). District of Columbia's population is 3.3 times (229%) larger than Harrison County's.
Least populous county: District of Columbia: District of Columbia (702,250 people) vs Mississippi: Issaquena County (1,295 people). District of Columbia's population is 542.3 times larger than Issaquena County's.
Richest county: District of Columbia: District of Columbia ($111,185 per capita income) vs Mississippi: Madison County ($90,668). District of Columbia's income is 1.2 times (23%) richer than Madison County's.
Poorest county: District of Columbia: District of Columbia ($111,185 per capita income) vs Mississippi: Issaquena County ($27,264). District of Columbia's income is 4.1 times (308%) richer than Issaquena County's.
District of Columbia vs Mississippi Taxes
State income tax: District of Columbia has a top income tax rate of 10.75%, while Mississippi has a top income tax rate of 4%. District of Columbia's top rate is 6.75 percentage points higher.
Property tax: District of Columbia: 0.63% effective rate vs Mississippi: 0.65% of home value per year. Mississippi's rate is 0.02 percentage points higher.
Sales tax: District of Columbia: 6% combined state and average local rate vs Mississippi: 7.06%. Mississippi's combined rate is 1.06 percentage points higher.
Official Websites
District of Columbia official website · Mississippi official website
More Size Comparisons
All District of Columbia size comparisons · All Mississippi 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.