The map above shows Delaware and Montana side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Delaware vs Montana Geography
Land area
- Delaware has a land area of 1,949 square miles (5,047 km²), while Montana has 145,550 square miles (376,973 km²).
- Montana's land area is 74.7 times larger than Delaware's.
Total area
- Delaware: 2,489 square miles (6,446 km²) vs Montana: 147,043 square miles (380,840 km²), including inland and coastal water.
- Montana's total area is 59.1 times larger than Delaware's.
Length
- Delaware is 98 miles (158 km) long from north to south; Montana is 319 miles (514 km).
- Montana's north-south length is 3.3 times (226%) longer than Delaware's.
Width
- Delaware spans 96 miles (155 km) east to west; Montana spans 607 miles (976 km).
- Montana's east-west width is 6.3 times (532%) wider than Delaware's.
Highest point
- Delaware's highest point is Ebright Azimuth at 450 feet (137 m); Montana's is Granite Peak at 12,767 feet (3,891 m).
- Granite Peak is 12,317 feet higher than Ebright Azimuth.
Lowest point
- Delaware's lowest point is Atlantic Ocean at 0 feet; Montana's is Kootenai River at 1,805 feet.
- Delaware's lowest point is 1,805 feet lower.
Delaware vs Montana Population and History
Population
- Delaware has a population of 1,051,917 (2024), while Montana has 1,137,233 (2024).
- Montana's population is 1.1 times (8%) larger than Delaware's.
Population density
- Delaware: 539.9 people per square mile vs Montana: 7.8.
- Delaware's population density is 69.2 times higher than Montana's.
Biggest city
- Delaware's biggest city is Wilmington with 73,176 people; Montana's is Billings with 121,483.
- Billings' population is 1.7 times (66%) larger than Wilmington's.
Largest metro area
- Delaware's largest metropolitan area is Philadelphia-Camden-Wilmington, PA-NJ-DE-MD metro area (6,330,422 people) vs Montana's Billings, MT metro area (192,531).
- Philadelphia-Camden-Wilmington, PA-NJ-DE-MD metro area's population is 32.9 times larger than Billings, MT metro area's.
History
- Delaware: Admitted to the Union on December 7, 1787, as the 1st state.
- Montana: Admitted to the Union on November 8, 1889, as the 41st state.
- In its current form, Delaware is the older of the two by 102 years.
Delaware vs Montana Economy
GDP
- Delaware's GDP is $111.0 billion (2024) vs Montana's $78.4 billion.
- Delaware's economic output is 1.4 times (42%) larger than Montana's.
GDP per capita
- Delaware: $105,495 per person vs Montana: $68,975.
- Delaware's GDP per capita is 1.5 times (53%) higher than Montana's.
Average income
- Delaware: $68,061 vs Montana: $69,240 average income per person (per capita personal income).
- Delaware and Montana have about the same average income.
Delaware vs Montana Counties
Number of counties
- Delaware has 3 counties, while Montana has 56.
- Montana's county count is 18.7 times higher than Delaware's.
Biggest county by area
- Delaware's largest county is Sussex County at 936 square miles; Montana's is Beaverhead County at 5,543 square miles.
- Beaverhead County's land area is 5.9 times (492%) larger than Sussex County's.
Smallest county by area
- Delaware: New Castle County (426 sq mi) vs Montana: Silver Bow County (718 sq mi).
- Silver Bow County's land area is 1.7 times (68%) larger than New Castle County's.
Most populous county
- Delaware: New Castle County (588,093 people) vs Montana: Yellowstone County (171,583 people).
- New Castle County's population is 3.4 times (243%) larger than Yellowstone County's.
Least populous county
- Delaware: Kent County (192,690 people) vs Montana: Petroleum County (525 people).
- Kent County's population is 367.0 times larger than Petroleum County's.
Richest county
- Delaware: Sussex County ($73,647 per capita income) vs Montana: Gallatin County ($94,573).
- Gallatin County's income is 1.3 times (28%) richer than Sussex County's.
Poorest county
- Delaware: Kent County ($55,474 per capita income) vs Montana: Blaine County ($37,554).
- Kent County's income is 1.5 times (48%) richer than Blaine County's.
Delaware vs Montana Taxes
State income tax
- Delaware has a top income tax rate of 6.6%, while Montana has a top income tax rate of 5.65%.
- Delaware's top rate is 0.95 percentage points higher.
Property tax
- Delaware: 0.47% effective rate vs Montana: 0.69% of home value per year.
- Montana's rate is 0.22 percentage points higher.
Sales tax
- Delaware: 0% combined state and average local rate vs Montana: 0%.
- The two are essentially equal.
Official Websites
Delaware official website · Montana official website
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More Size Comparisons
All Delaware 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.