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New Haven-Hartford-Waterbury, CT Combined Statistical Area Demographics

New Haven-Hartford-Waterbury, CT Combined Statistical Area is the 25th most populous of 184 combined statistical areas in the United States, with 2,648,389 residents across 4,170 square miles. That is about 635 people per square mile.

At the 2020 census

Population 2,648,389
Land area 4,170 sq mi
Density 635 / sq mi

Data: 2020 Census · American Community Survey 2024

How New Haven-Hartford-Waterbury, CT Combined Statistical Area compares to the US

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Central Location: New Haven-Hartford-Waterbury, CT Combined Statistical Area

Measured from the combined statistical area's main population center using 2020 census blocks.

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Counties in the New Haven-Hartford-Waterbury, CT Combined Statistical Area area

Name Population Sq mi Per sq mi
Hartford 899,485 734.9 1,224
County New Haven 864,796 604.5 1,431
New London 268,539 665.1 404
County Litchfield 185,186 920.6 201
County Middlesex 164,183 369.3 445
Tolland 149,782 410.4 365
County Windham 116,418 512.9 227

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About this page

This page shows demographics for a US combined statistical area from the 2020 census and the American Community Survey: population, land area, density, and how the region compares to national averages.

Combined areas are built from whole counties, listed below. Statistics aggregate the member counties' census tracts.

Read how BlockAtlas computes population within an area →