The map above shows Connecticut and North Dakota side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Connecticut vs North Dakota Geography
Land area: Connecticut has a land area of 4,843 square miles (12,542 km²), while North Dakota has 68,994 square miles (178,694 km²). North Dakota's land area is 14.2 times larger than Connecticut's.
Total area: Connecticut: 5,544 square miles (14,358 km²) vs North Dakota: 70,699 square miles (183,109 km²), including inland and coastal water. North Dakota's total area is 12.8 times larger than Connecticut's.
Length: Connecticut is 73 miles (118 km) long from north to south; North Dakota is 338 miles (544 km). North Dakota's north-south length is 4.6 times (363%) longer than Connecticut's.
Width: Connecticut spans 104 miles (167 km) east to west; North Dakota spans 408 miles (657 km). North Dakota's east-west width is 3.9 times (292%) wider than Connecticut's.
Highest point: Connecticut's highest point is Mount Frissell (south slope) at 2,376 feet (724 m); North Dakota's is White Butte at 3,500 feet (1,067 m). White Butte is 1,124 feet higher than Mount Frissell (south slope).
Lowest point: Connecticut's lowest point is Long Island Sound at 0 feet; North Dakota's is Red River of the North at 754 feet. Connecticut's lowest point is 754 feet lower.
Connecticut vs North Dakota Population and History
Population: Connecticut has a population of 3,675,069 (2024), while North Dakota has 796,568 (2024). Connecticut's population is 4.6 times (361%) larger than North Dakota's.
Population density: Connecticut: 758.9 people per square mile vs North Dakota: 11.5. Connecticut's population density is 66.0 times higher than North Dakota's.
Biggest city: Connecticut's biggest city is Bridgeport with 151,599 people; North Dakota's is Fargo with 136,285. Bridgeport's population is 1.1 times (11%) larger than Fargo's.
Largest metro area: Connecticut's largest metropolitan area is Hartford-West Hartford-East Hartford, CT metro area (1,169,048 people) vs North Dakota's Fargo, ND-MN metro area (267,793). Hartford-West Hartford-East Hartford, CT metro area's population is 4.4 times (337%) larger than Fargo, ND-MN metro area's.
History: Connecticut: Admitted to the Union on January 9, 1788, as the 5th state. North Dakota: Admitted to the Union on November 2, 1889, as the 39th state. In its current form, Connecticut is the older of the two by 101 years.
Connecticut vs North Dakota Economy
GDP: Connecticut's GDP is $356.8 billion (2024) vs North Dakota's $80.1 billion. Connecticut's economic output is 4.5 times (345%) larger than North Dakota's.
GDP per capita: Connecticut: $97,096 per person vs North Dakota: $100,504. Connecticut and North Dakota have about the same GDP per capita.
Average income: Connecticut: $95,067 vs North Dakota: $71,749 average income per person (per capita personal income). Connecticut's average income is 1.3 times (32%) higher than North Dakota's.
Connecticut vs North Dakota Counties
Number of counties: Connecticut has 9 counties, while North Dakota has 53. North Dakota's county count is 5.9 times (489%) higher than Connecticut's.
Biggest county by area: Connecticut's largest county is Capitol Planning Region at 1,027 square miles; North Dakota's is McKenzie County at 2,760 square miles. McKenzie County's land area is 2.7 times (169%) larger than Capitol Planning Region's.
Smallest county by area: Connecticut: Greater Bridgeport Planning Region (140 sq mi) vs North Dakota: Eddy County (630 sq mi). Eddy County's land area is 4.5 times (350%) larger than Greater Bridgeport Planning Region's.
Most populous county: Connecticut: Capitol Planning Region (991,508 people) vs North Dakota: Cass County (200,945 people). Capitol Planning Region's population is 4.9 times (393%) larger than Cass County's.
Least populous county: Connecticut: Northeastern Connecticut Planning Region (97,701 people) vs North Dakota: Slope County (660 people). Northeastern Connecticut Planning Region's population is 148.0 times larger than Slope County's.
Richest county: Connecticut: Western Connecticut Planning Region ($165,513 per capita income) vs North Dakota: Dunn County ($99,793). Western Connecticut Planning Region's income is 1.7 times (66%) richer than Dunn County's.
Poorest county: Connecticut: Southeastern Connecticut Planning Region ($64,845 per capita income) vs North Dakota: Sioux County ($33,782). Southeastern Connecticut Planning Region's income is 1.9 times (92%) richer than Sioux County's.
Connecticut vs North Dakota Taxes
State income tax: Connecticut has a top income tax rate of 6.99%, while North Dakota has a top income tax rate of 2.5%. Connecticut's top rate is 4.49 percentage points higher.
Property tax: Connecticut: 1.66% effective rate vs North Dakota: 0.96% of home value per year. Connecticut's rate is 0.7 percentage points higher.
Sales tax: Connecticut: 6.35% combined state and average local rate vs North Dakota: 7.09%. North Dakota's combined rate is 0.74 percentage points higher.
Official Websites
Connecticut official website · North Dakota official website
More Size Comparisons
All Connecticut size comparisons · All North Dakota 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.