The map above shows District of Columbia and Montana side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
District of Columbia vs Montana Geography
Land area
- District of Columbia has a land area of 61 square miles (158 km²), while Montana has 145,550 square miles (376,973 km²).
- Montana's land area is 2,385.9 times larger than District of Columbia's.
Total area
- District of Columbia: 68 square miles (177 km²) vs Montana: 147,043 square miles (380,840 km²), including inland and coastal water.
- Montana's total area is 2,151.6 times larger than District of Columbia's.
Length
- District of Columbia is 13 miles (22 km) long from north to south; Montana is 319 miles (514 km).
- Montana's north-south length is 24.5 times longer than District of Columbia's.
Width
- District of Columbia spans 12 miles (19 km) east to west; Montana spans 607 miles (976 km).
- Montana's east-west width is 50.6 times wider than District of Columbia's.
Highest point
- District of Columbia's highest point is Fort Reno at 429 feet (131 m); Montana's is Granite Peak at 12,767 feet (3,891 m).
- Granite Peak is 12,338 feet higher than Fort Reno.
Lowest point
- District of Columbia's lowest point is Potomac River at 0 feet; Montana's is Kootenai River at 1,805 feet.
- District of Columbia's lowest point is 1,805 feet lower.
District of Columbia vs Montana Population and History
Population
- District of Columbia has a population of 702,250 (2024), while Montana has 1,137,233 (2024).
- Montana's population is 1.6 times (62%) larger than District of Columbia's.
Population density
- District of Columbia: 11,493.5 people per square mile vs Montana: 7.8.
- District of Columbia's population density is 1,473.5 times higher than Montana's.
Biggest city
- District of Columbia's biggest city is Washington with 702,250 people; Montana's is Billings with 121,483.
- Washington's population is 5.8 times (478%) larger than Billings'.
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 Montana's Billings, MT metro area (192,531).
- Washington-Arlington-Alexandria, DC-VA-MD-WV metro area's population is 33.4 times larger than Billings, MT metro area's.
History
- District of Columbia: The federal district, established by the Residence Act on July 16, 1790; not a state.
- Montana: Admitted to the Union on November 8, 1889, as the 41st state.
- In its current form, District of Columbia is the older of the two by 99 years.
District of Columbia vs Montana Economy
GDP
- District of Columbia's GDP is $184.3 billion (2024) vs Montana's $78.4 billion.
- District of Columbia's economic output is 2.4 times (135%) larger than Montana's.
GDP per capita
- District of Columbia: $262,439 per person vs Montana: $68,975.
- District of Columbia's GDP per capita is 3.8 times (280%) higher than Montana's.
Average income
- District of Columbia: $111,185 vs Montana: $69,240 average income per person (per capita personal income).
- District of Columbia's average income is 1.6 times (61%) higher than Montana's.
District of Columbia vs Montana Counties
Number of counties
- District of Columbia has 1 counties, while Montana has 56.
- Montana's county count is 56.0 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; Montana's is Beaverhead County at 5,543 square miles.
- Beaverhead County's land area is 90.7 times larger than District of Columbia's.
Smallest county by area
- District of Columbia: District of Columbia (61 sq mi) vs Montana: Silver Bow County (718 sq mi).
- Silver Bow County's land area is 11.8 times larger than District of Columbia's.
Most populous county
- District of Columbia: District of Columbia (702,250 people) vs Montana: Yellowstone County (171,583 people).
- District of Columbia's population is 4.1 times (309%) larger than Yellowstone County's.
Least populous county
- District of Columbia: District of Columbia (702,250 people) vs Montana: Petroleum County (525 people).
- District of Columbia's population is 1,337.6 times larger than Petroleum County's.
Richest county
- District of Columbia: District of Columbia ($111,185 per capita income) vs Montana: Gallatin County ($94,573).
- District of Columbia's income is 1.2 times (18%) richer than Gallatin County's.
Poorest county
- District of Columbia: District of Columbia ($111,185 per capita income) vs Montana: Blaine County ($37,554).
- District of Columbia's income is 3.0 times (196%) richer than Blaine County's.
District of Columbia vs Montana Taxes
State income tax
- District of Columbia has a top income tax rate of 10.75%, while Montana has a top income tax rate of 5.65%.
- District of Columbia's top rate is 5.1 percentage points higher.
Property tax
- District of Columbia: 0.63% effective rate vs Montana: 0.69% of home value per year.
- Montana's rate is 0.06 percentage points higher.
Sales tax
- District of Columbia: 6% combined state and average local rate vs Montana: 0%.
- District of Columbia's combined rate is 6 percentage points higher.
Official Websites
District of Columbia official website · Montana official website
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More Size Comparisons
All District of Columbia size comparisons · All Montana 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.