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List of Cities and Counties in Connecticut
Discover Connecticut population facts easily with our list of counties and cities. Find out how many people live in each area, from big cities to small towns, and see how Connecticut’s population is spread out across the state.
Connecticut Counties by Population
A county is an administrative subdivision of a US state or territory. As of 2022, Connecticut is divided into 8 counties.
The most populous county in Connecticut is Fairfield County (0.96 million) and the least populated is Windham County. The Largest county by Land Area in Connecticut is Litchfield County and the smallest in the area is Middlesex County.
read about the Population of Connecticut
| # | County | Population 2021 | Area (sq. mi.) |
| 1 | Fairfield County | 959,768 | 626 |
| 2 | Hartford County | 896,854 | 736 |
| 3 | New Haven County | 863,700 | 606 |
| 4 | New London County | 268,805 | 666 |
| 5 | Litchfield County | 185,000 | 920 |
| 6 | Middlesex County | 164,759 | 369 |
| 7 | Tolland County | 150,293 | 410 |
| 8 | Windham County | 116,418 | 513 |
Source: US Census report 2021
read about the race and ethnicity in Connecticut
Top Cities in Connecticut by population
Connecticut is divided into 169 towns (including 21 cities), which are grouped into eight counties. The largest city in Connecticut is Bridgeport, with a population of 143,525 followed by Stamford (131,397) and New Haven(130,801).
Let’s have a look at the top Cities in Connecticut by population
| # | City | Population 2020 |
| 1 | Bridgeport | 148,654 |
| 2 | Stamford | 135,470 |
| 3 | New Haven | 134,023 |
| 4 | Hartford | 121,054 |
| 5 | Waterbury | 114,403 |
| 6 | Norwalk | 91,184 |
| 7 | Danbury | 86,518 |
| 8 | New Britain | 74,135 |
| 9 | West Hartford town | 64,083 |
| 10 | Greenwich town | 63,518 |
Source: US Census 2020
Most Populous Counties in Connecticut
The most populous county in Connecticut is Fairfield County with 0.96 million residents.
| # | County | Population 2021 |
| 1 | Fairfield County | 959,768 |
| 2 | Hartford County | 896,854 |
| 3 | New Haven County | 863,700 |
Least Populated Connecticut County
The least populous county is Windham County with 116,418 residents.
| # | County | Population 2021 |
| 1 | Windham County | 116,418 |
| 2 | Tolland County | 150,293 |
| 3 | Middlesex County | 164,759 |
source: US Census 2021
read about religion in Connecticut
Largest Counties in Connecticut by Area
The Largest county by Land Area in Connecticut is Litchfield County with an area of 920 sq. miles.
Let’s have a look at the Top 3 counties by Area
| # | County | Area (sq. mi.) |
| 1 | Litchfield County | 920 |
| 2 | Hartford County | 736 |
| 3 | New London County | 666 |
Smallest County in Connecticut by area
The smallest county by area in Connecticut is Middlesex County with an area of 369 square miles.
| # | County | Area (sq. mi.) |
| 1 | Middlesex County | 369 |
| 2 | Tolland County | 410 |
| 3 | Windham County | 513 |
source: US Census report 2021
Most Densely populated Counties in Connecticut
The most densely populated county in Connecticut is Fairfield County, with 1,533.18 people per sq. mi.
Let’s have a look at the Top densely populated counties
| # | County | Density (people/sq. mi.) |
| 1 | Fairfield County | 1,533.18 |
| 2 | New Haven County | 1,425.25 |
| 3 | Hartford County | 1,218.55 |
Least Densely Populated County in Connecticut
Litchfield County with a population density of just 201.09 people per sq. miles is the least densely populated county in Connecticut
| # | County | Density (people/sq. mi.) |
| 1 | Litchfield County | 201.09 |
| 2 | Windham County | 226.94 |
| 3 | Tolland County | 366.57 |
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