The map above shows Connecticut and Montana side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Connecticut vs Montana Geography
Land area: Connecticut has a land area of 4,843 square miles (12,542 km²), while Montana has 145,550 square miles (376,973 km²). Montana's land area is 30.1 times larger than Connecticut's.
Total area: Connecticut: 5,544 square miles (14,358 km²) vs Montana: 147,043 square miles (380,840 km²), including inland and coastal water. Montana's total area is 26.5 times larger than Connecticut's.
Length: Connecticut is 73 miles (118 km) long from north to south; Montana is 319 miles (514 km). Montana's north-south length is 4.4 times (337%) longer than Connecticut's.
Width: Connecticut spans 104 miles (167 km) east to west; Montana spans 607 miles (976 km). Montana's east-west width is 5.8 times (484%) wider than Connecticut's.
Highest point: Connecticut's highest point is Mount Frissell (south slope) at 2,376 feet (724 m); Montana's is Granite Peak at 12,767 feet (3,891 m). Granite Peak is 10,391 feet higher than Mount Frissell (south slope).
Lowest point: Connecticut's lowest point is Long Island Sound at 0 feet; Montana's is Kootenai River at 1,805 feet. Connecticut's lowest point is 1,805 feet lower.
Connecticut vs Montana Population and History
Population: Connecticut has a population of 3,675,069 (2024), while Montana has 1,137,233 (2024). Connecticut's population is 3.2 times (223%) larger than Montana's.
Population density: Connecticut: 758.9 people per square mile vs Montana: 7.8. Connecticut's population density is 97.3 times higher than Montana's.
Biggest city: Connecticut's biggest city is Bridgeport with 151,599 people; Montana's is Billings with 121,483. Bridgeport's population is 1.2 times (25%) larger than Billings'.
Largest metro area: Connecticut's largest metropolitan area is Hartford-West Hartford-East Hartford, CT metro area (1,169,048 people) vs Montana's Billings, MT metro area (192,531). Hartford-West Hartford-East Hartford, CT metro area's population is 6.1 times (507%) larger than Billings, MT metro area's.
History: Connecticut: Admitted to the Union on January 9, 1788, as the 5th state. Montana: Admitted to the Union on November 8, 1889, as the 41st state. In its current form, Connecticut is the older of the two by 101 years.
Connecticut vs Montana Economy
GDP: Connecticut's GDP is $356.8 billion (2024) vs Montana's $78.4 billion. Connecticut's economic output is 4.6 times (355%) larger than Montana's.
GDP per capita: Connecticut: $97,096 per person vs Montana: $68,975. Connecticut's GDP per capita is 1.4 times (41%) higher than Montana's.
Average income: Connecticut: $95,067 vs Montana: $69,240 average income per person (per capita personal income). Connecticut's average income is 1.4 times (37%) higher than Montana's.
Connecticut vs Montana Counties
Number of counties: Connecticut has 9 counties, while Montana has 56. Montana's county count is 6.2 times (522%) higher than Connecticut's.
Biggest county by area: Connecticut's largest county is Capitol Planning Region at 1,027 square miles; Montana's is Beaverhead County at 5,543 square miles. Beaverhead County's land area is 5.4 times (439%) larger than Capitol Planning Region's.
Smallest county by area: Connecticut: Greater Bridgeport Planning Region (140 sq mi) vs Montana: Silver Bow County (718 sq mi). Silver Bow County's land area is 5.1 times (412%) larger than Greater Bridgeport Planning Region's.
Most populous county: Connecticut: Capitol Planning Region (991,508 people) vs Montana: Yellowstone County (171,583 people). Capitol Planning Region's population is 5.8 times (478%) larger than Yellowstone County's.
Least populous county: Connecticut: Northeastern Connecticut Planning Region (97,701 people) vs Montana: Petroleum County (525 people). Northeastern Connecticut Planning Region's population is 186.1 times larger than Petroleum County's.
Richest county: Connecticut: Western Connecticut Planning Region ($165,513 per capita income) vs Montana: Gallatin County ($94,573). Western Connecticut Planning Region's income is 1.8 times (75%) richer than Gallatin County's.
Poorest county: Connecticut: Southeastern Connecticut Planning Region ($64,845 per capita income) vs Montana: Blaine County ($37,554). Southeastern Connecticut Planning Region's income is 1.7 times (73%) richer than Blaine County's.
Connecticut vs Montana Taxes
State income tax: Connecticut has a top income tax rate of 6.99%, while Montana has a top income tax rate of 5.65%. Connecticut's top rate is 1.34 percentage points higher.
Property tax: Connecticut: 1.66% effective rate vs Montana: 0.69% of home value per year. Connecticut's rate is 0.97 percentage points higher.
Sales tax: Connecticut: 6.35% combined state and average local rate vs Montana: 0%. Connecticut's combined rate is 6.35 percentage points higher.
Official Websites
Connecticut official website · Montana official website
More Size Comparisons
All Connecticut 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.