How Big Is Connecticut?
Connecticut is the 48th largest state in the United States, covering approximately 12,548 square kilometers (4,845 square miles). It is home to approximately 3.7 million people. That's about 4.6 times the size of Rhode Island.
Connecticut
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Connecticut on the Map
Connecticut's Geography
Within the United States, Connecticut is the 48th largest state. Its capital is Hartford. It has a population density of about 294 people per km².
How Long and Wide Is Connecticut?
Connecticut spans about 161 km (100 mi) from east to west — roughly the length of Long Island, and 118 km (73 mi) from north to south — roughly the distance from London to Bristol. At highway speeds, driving 100 miles takes roughly 2 hours.
How Many Times Does Connecticut Fit?
Similar in Size
How Big Is Connecticut Compared to Well-Known Places?
| Place | Area | vs Connecticut |
|---|---|---|
| Rhode Island | 2,706 km² (1,045 sq mi) | 4.6× smaller |
| Connecticut | 12,548 km² (4,845 sq mi) | — |
| Belgium | 30,528 km² (11,787 sq mi) | 2.4× larger |
| Switzerland | 41,277 km² (15,937 sq mi) | 3.3× larger |
| Netherlands | 41,543 km² (16,040 sq mi) | 3.3× larger |
| South Korea | 99,720 km² (38,502 sq mi) | 8× larger |
Length and width are measured from the outline on the map. Sources: US Census Bureau (2025). How we calculate this
Explore Connecticut
Connecticut at a Glance
| Statistic | Value |
|---|---|
| Total Area | 12,548 km² (4,845 sq mi) |
| US Size Rank | #48 of 51 |
| Capital | Hartford |
| Population | 3,688,496 |
| Population Density | 294 per km² |