The map above shows Maryland and Montana side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Maryland vs Montana Geography
Land area: Maryland has a land area of 9,711 square miles (25,151 km²), while Montana has 145,550 square miles (376,973 km²). Montana's land area is 15.0 times larger than Maryland's.
Total area: Maryland: 12,406 square miles (32,131 km²) vs Montana: 147,043 square miles (380,840 km²), including inland and coastal water. Montana's total area is 11.9 times larger than Maryland's.
Length: Maryland is 231 miles (371 km) long from north to south; Montana is 319 miles (514 km). Montana's north-south length is 1.4 times (38%) longer than Maryland's.
Width: Maryland spans 243 miles (391 km) east to west; Montana spans 607 miles (976 km). Montana's east-west width is 2.5 times (150%) wider than Maryland's.
Highest point: Maryland's highest point is Hoye-Crest at 3,362 feet (1,025 m); Montana's is Granite Peak at 12,767 feet (3,891 m). Granite Peak is 9,405 feet higher than Hoye-Crest.
Lowest point: Maryland's lowest point is Atlantic Ocean at 0 feet; Montana's is Kootenai River at 1,805 feet. Maryland's lowest point is 1,805 feet lower.
Maryland vs Montana Population and History
Population: Maryland has a population of 6,263,220 (2024), while Montana has 1,137,233 (2024). Maryland's population is 5.5 times (451%) larger than Montana's.
Population density: Maryland: 645.0 people per square mile vs Montana: 7.8. Maryland's population density is 82.7 times higher than Montana's.
Biggest city: Maryland's biggest city is Baltimore with 568,271 people; Montana's is Billings with 121,483. Baltimore's population is 4.7 times (368%) larger than Billings'.
Largest metro area: Maryland'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: Maryland: Admitted to the Union on April 28, 1788, as the 7th state. Montana: Admitted to the Union on November 8, 1889, as the 41st state. In its current form, Maryland is the older of the two by 101 years.
Maryland vs Montana Economy
GDP: Maryland's GDP is $546.0 billion (2024) vs Montana's $78.4 billion. Maryland's economic output is 7.0 times (596%) larger than Montana's.
GDP per capita: Maryland: $87,180 per person vs Montana: $68,975. Maryland's GDP per capita is 1.3 times (26%) higher than Montana's.
Average income: Maryland: $79,259 vs Montana: $69,240 average income per person (per capita personal income). Maryland's average income is 1.1 times (14%) higher than Montana's.
Maryland vs Montana Counties
Number of counties: Maryland has 24 counties, while Montana has 56. Montana's county count is 2.3 times (133%) higher than Maryland's.
Biggest county by area: Maryland's largest county is Frederick County at 661 square miles; Montana's is Beaverhead County at 5,543 square miles. Beaverhead County's land area is 8.4 times (739%) larger than Frederick County's.
Smallest county by area: Maryland: Baltimore city (81 sq mi) vs Montana: Silver Bow County (718 sq mi). Silver Bow County's land area is 8.9 times (788%) larger than Baltimore city's.
Most populous county: Maryland: Montgomery County (1,082,273 people) vs Montana: Yellowstone County (171,583 people). Montgomery County's population is 6.3 times (531%) larger than Yellowstone County's.
Least populous county: Maryland: Kent County (19,557 people) vs Montana: Petroleum County (525 people). Kent County's population is 37.3 times larger than Petroleum County's.
Richest county: Maryland: Montgomery County ($104,882 per capita income) vs Montana: Gallatin County ($94,573). Montgomery County's income is 1.1 times (11%) richer than Gallatin County's.
Poorest county: Maryland: Somerset County ($41,421 per capita income) vs Montana: Blaine County ($37,554). Somerset County's income is 1.1 times (10%) richer than Blaine County's.
Maryland vs Montana Taxes
State income tax: Maryland has a top income tax rate of 6.5%, while Montana has a top income tax rate of 5.65%. Maryland's top rate is 0.85 percentage points higher.
Property tax: Maryland: 0.95% effective rate vs Montana: 0.69% of home value per year. Maryland's rate is 0.26 percentage points higher.
Sales tax: Maryland: 6% combined state and average local rate vs Montana: 0%. Maryland's combined rate is 6 percentage points higher.
Official Websites
Maryland official website · Montana official website
More Size Comparisons
All Maryland 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.